diff options
Diffstat (limited to 'drivers/media/usb')
40 files changed, 333 insertions, 186 deletions
diff --git a/drivers/media/usb/airspy/Kconfig b/drivers/media/usb/airspy/Kconfig index 10b204cf4dbc..67578511bb9a 100644 --- a/drivers/media/usb/airspy/Kconfig +++ b/drivers/media/usb/airspy/Kconfig @@ -2,7 +2,7 @@ config USB_AIRSPY tristate "AirSpy" depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC - ---help--- + help This is a video4linux2 driver for AirSpy SDR device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/au0828/Kconfig b/drivers/media/usb/au0828/Kconfig index 65fc067eb864..0ad985542c60 100644 --- a/drivers/media/usb/au0828/Kconfig +++ b/drivers/media/usb/au0828/Kconfig @@ -2,6 +2,8 @@ config VIDEO_AU0828 tristate "Auvitek AU0828 support" depends on I2C && INPUT && DVB_CORE && USB && VIDEO_V4L2 + select MEDIA_CONTROLLER + select MEDIA_CONTROLLER_DVB select I2C_ALGOBIT select VIDEO_TVEEPROM select VIDEOBUF2_VMALLOC if VIDEO_V4L2 @@ -9,7 +11,7 @@ config VIDEO_AU0828 select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_MXL5007T if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help This is a hybrid analog/digital tv capture driver for Auvitek's AU0828 USB device. @@ -23,7 +25,7 @@ config VIDEO_AU0828_V4L2 select DVB_AU8522_V4L if MEDIA_SUBDRV_AUTOSELECT select VIDEO_TUNER default y - ---help--- + help This is a video4linux driver for Auvitek's USB device. Choose Y here to include support for v4l2 analog video @@ -34,5 +36,5 @@ config VIDEO_AU0828_RC depends on RC_CORE depends on !(RC_CORE=m && VIDEO_AU0828=y) depends on VIDEO_AU0828 - ---help--- + help Enables Remote Controller support on au0828 driver. diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 3f8c92a70116..925a80437822 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -155,9 +155,7 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) dev->media_dev->disable_source = NULL; mutex_unlock(&mdev->graph_mutex); - media_device_unregister(dev->media_dev); - media_device_cleanup(dev->media_dev); - kfree(dev->media_dev); + media_device_delete(dev->media_dev, KBUILD_MODNAME, THIS_MODULE); dev->media_dev = NULL; #endif } @@ -210,14 +208,10 @@ static int au0828_media_device_init(struct au0828_dev *dev, #ifdef CONFIG_MEDIA_CONTROLLER struct media_device *mdev; - mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); + mdev = media_device_usb_allocate(udev, KBUILD_MODNAME, THIS_MODULE); if (!mdev) return -ENOMEM; - /* check if media device is already initialized */ - if (!mdev->dev) - media_device_usb_init(mdev, udev, udev->product); - dev->media_dev = mdev; #endif return 0; @@ -278,6 +272,28 @@ create_link: } } +static bool au0828_is_link_shareable(struct media_entity *owner, + struct media_entity *entity) +{ + bool shareable = false; + + /* Tuner link can be shared by audio, video, and VBI */ + switch (owner->function) { + case MEDIA_ENT_F_IO_V4L: + case MEDIA_ENT_F_AUDIO_CAPTURE: + case MEDIA_ENT_F_IO_VBI: + if (entity->function == MEDIA_ENT_F_IO_V4L || + entity->function == MEDIA_ENT_F_AUDIO_CAPTURE || + entity->function == MEDIA_ENT_F_IO_VBI) + shareable = true; + break; + case MEDIA_ENT_F_DTV_DEMOD: + default: + break; + } + return shareable; +} + /* Callers should hold graph_mutex */ static int au0828_enable_source(struct media_entity *entity, struct media_pipeline *pipe) @@ -320,18 +336,20 @@ static int au0828_enable_source(struct media_entity *entity, /* * Default input is tuner and default input_type * is AU0828_VMUX_TELEVISION. - * FIXME: + * * There is a problem when s_input is called to * change the default input. s_input will try to * enable_source before attempting to change the * input on the device, and will end up enabling * default source which is tuner. * - * Additional logic is necessary in au0828 - * to detect that the input has changed and - * enable the right source. + * Additional logic is necessary in au0828 to detect + * that the input has changed and enable the right + * source. au0828 handles this case in its s_input. + * It will disable the old source and enable the new + * source. + * */ - if (dev->input_type == AU0828_VMUX_TELEVISION) find_source = dev->tuner; else if (dev->input_type == AU0828_VMUX_SVIDEO || @@ -344,27 +362,33 @@ static int au0828_enable_source(struct media_entity *entity, } } - /* Is an active link between sink and source */ + /* Is there an active link between sink and source */ if (dev->active_link) { - /* - * If DVB is using the tuner and calling entity is - * audio/video, the following check will be false, - * since sink is different. Result is Busy. - */ - if (dev->active_link->sink->entity == sink && - dev->active_link->source->entity == find_source) { - /* - * Either ALSA or Video own tuner. sink is - * the same for both. Prevent Video stepping - * on ALSA when ALSA owns the source. + if (dev->active_link_owner == entity) { + /* This check is necessary to handle multiple + * enable_source calls from v4l_ioctls during + * the course of video/vbi application run-time. */ - if (dev->active_link_owner != entity && - dev->active_link_owner->function == - MEDIA_ENT_F_AUDIO_CAPTURE) { - pr_debug("ALSA has the tuner\n"); - ret = -EBUSY; - goto end; - } + pr_debug("%s already owns the tuner\n", entity->name); + ret = 0; + goto end; + } else if (au0828_is_link_shareable(dev->active_link_owner, + entity)) { + /* Either ALSA or Video own tuner. Sink is the same + * for both. Allow sharing the active link between + * their common source (tuner) and sink (decoder). + * Starting pipeline between sharing entity and sink + * will fail with pipe mismatch, while owner has an + * active pipeline. Switch pipeline ownership from + * user to owner when owner disables the source. + */ + dev->active_link_shared = true; + /* save the user info to use from disable */ + dev->active_link_user = entity; + dev->active_link_user_pipe = pipe; + pr_debug("%s owns the tuner %s can share!\n", + dev->active_link_owner->name, + entity->name); ret = 0; goto end; } else { @@ -391,7 +415,7 @@ static int au0828_enable_source(struct media_entity *entity, source = found_link->source->entity; ret = __media_entity_setup_link(found_link, MEDIA_LNK_FL_ENABLED); if (ret) { - pr_err("Activate tuner link %s->%s. Error %d\n", + pr_err("Activate link from %s->%s. Error %d\n", source->name, sink->name, ret); goto end; } @@ -401,25 +425,26 @@ static int au0828_enable_source(struct media_entity *entity, pr_err("Start Pipeline: %s->%s Error %d\n", source->name, entity->name, ret); ret = __media_entity_setup_link(found_link, 0); - pr_err("Deactivate link Error %d\n", ret); + if (ret) + pr_err("Deactivate link Error %d\n", ret); goto end; } - /* - * save active link and active link owner to avoid audio - * deactivating video owned link from disable_source and - * vice versa + + /* save link state to allow audio and video share the link + * and not disable the link while the other is using it. + * active_link_owner is used to deactivate the link. */ dev->active_link = found_link; dev->active_link_owner = entity; dev->active_source = source; dev->active_sink = sink; - pr_debug("Enabled Source: %s->%s->%s Ret %d\n", + pr_info("Enabled Source: %s->%s->%s Ret %d\n", dev->active_source->name, dev->active_sink->name, dev->active_link_owner->name, ret); end: - pr_debug("au0828_enable_source() end %s %d %d\n", - entity->name, entity->function, ret); + pr_debug("%s end: ent:%s fnc:%d ret %d\n", + __func__, entity->name, entity->function, ret); return ret; } @@ -438,21 +463,95 @@ static void au0828_disable_source(struct media_entity *entity) if (!dev->active_link) return; - /* link is active - stop pipeline from source (tuner) */ + /* link is active - stop pipeline from source + * (tuner/s-video/Composite) to the entity + * When DVB/s-video/Composite owns tuner, it won't be in + * shared state. + */ if (dev->active_link->sink->entity == dev->active_sink && dev->active_link->source->entity == dev->active_source) { /* - * prevent video from deactivating link when audio - * has active pipeline + * Prevent video from deactivating link when audio + * has active pipeline and vice versa. In addition + * handle the case when more than one video/vbi + * application is sharing the link. */ + bool owner_is_audio = false; + + if (dev->active_link_owner->function == + MEDIA_ENT_F_AUDIO_CAPTURE) + owner_is_audio = true; + + if (dev->active_link_shared) { + pr_debug("Shared link owner %s user %s %d\n", + dev->active_link_owner->name, + entity->name, dev->users); + + /* Handle video device users > 1 + * When audio owns the shared link with + * more than one video users, avoid + * disabling the source and/or switching + * the owner until the last disable_source + * call from video _close(). Use dev->users to + * determine when to switch/disable. + */ + if (dev->active_link_owner != entity) { + /* video device has users > 1 */ + if (owner_is_audio && dev->users > 1) + return; + + dev->active_link_user = NULL; + dev->active_link_user_pipe = NULL; + dev->active_link_shared = false; + return; + } + + /* video owns the link and has users > 1 */ + if (!owner_is_audio && dev->users > 1) + return; + + /* stop pipeline */ + __media_pipeline_stop(dev->active_link_owner); + pr_debug("Pipeline stop for %s\n", + dev->active_link_owner->name); + + ret = __media_pipeline_start( + dev->active_link_user, + dev->active_link_user_pipe); + if (ret) { + pr_err("Start Pipeline: %s->%s %d\n", + dev->active_source->name, + dev->active_link_user->name, + ret); + goto deactivate_link; + } + /* link user is now the owner */ + dev->active_link_owner = dev->active_link_user; + dev->active_link_user = NULL; + dev->active_link_user_pipe = NULL; + dev->active_link_shared = false; + + pr_debug("Pipeline started for %s\n", + dev->active_link_owner->name); + return; + } else if (!owner_is_audio && dev->users > 1) + /* video/vbi owns the link and has users > 1 */ + return; + if (dev->active_link_owner != entity) return; - __media_pipeline_stop(entity); + + /* stop pipeline */ + __media_pipeline_stop(dev->active_link_owner); + pr_debug("Pipeline stop for %s\n", + dev->active_link_owner->name); + +deactivate_link: ret = __media_entity_setup_link(dev->active_link, 0); if (ret) pr_err("Deactivate link Error %d\n", ret); - pr_debug("Disabled Source: %s->%s->%s Ret %d\n", + pr_info("Disabled Source: %s->%s->%s Ret %d\n", dev->active_source->name, dev->active_sink->name, dev->active_link_owner->name, ret); @@ -460,6 +559,8 @@ static void au0828_disable_source(struct media_entity *entity) dev->active_link_owner = NULL; dev->active_source = NULL; dev->active_sink = NULL; + dev->active_link_shared = false; + dev->active_link_user = NULL; } } #endif @@ -480,6 +581,9 @@ static int au0828_media_device_register(struct au0828_dev *dev, /* register media device */ ret = media_device_register(dev->media_dev); if (ret) { + media_device_delete(dev->media_dev, KBUILD_MODNAME, + THIS_MODULE); + dev->media_dev = NULL; dev_err(&udev->dev, "Media Device Register Error: %d\n", ret); return ret; diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 7876c897cc1d..4bde3db83aa2 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -758,6 +758,9 @@ static int au0828_analog_stream_enable(struct au0828_dev *d) dprintk(1, "au0828_analog_stream_enable called\n"); + if (test_bit(DEV_DISCONNECTED, &d->dev_state)) + return -ENODEV; + iface = usb_ifnum_to_if(d->usbdev, 0); if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) { dprintk(1, "Changing intf#0 to alt 5\n"); @@ -839,9 +842,9 @@ int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count) return rc; } + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); + if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - v4l2_device_call_all(&dev->v4l2_dev, 0, video, - s_stream, 1); dev->vid_timeout_running = 1; mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); } else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) { @@ -861,10 +864,11 @@ static void au0828_stop_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } - v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); dev->vid_timeout_running = 0; del_timer_sync(&dev->vid_timeout); @@ -893,8 +897,10 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_vbi_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } spin_lock_irqsave(&dev->slock, flags); if (dev->isoc_ctl.vbi_buf != NULL) { @@ -1065,7 +1071,7 @@ static int au0828_v4l2_close(struct file *filp) * streaming. * * On most USB devices like au0828 the tuner can - * be safely put in sleep stare here if ALSA isn't + * be safely put in sleep state here if ALSA isn't * streaming. Exceptions are some very old USB tuner * models such as em28xx-based WinTV USB2 which have * a separate audio output jack. The devices that have @@ -1074,7 +1080,7 @@ static int au0828_v4l2_close(struct file *filp) * so the s_power callback are silently ignored. * So, the current logic here does the following: * Disable (put tuner to sleep) when - * - ALSA and DVB aren't not streaming; + * - ALSA and DVB aren't streaming. * - the last V4L2 file handler is closed. * * FIXME: diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h index 425c35d16057..b47ecc9affd8 100644 --- a/drivers/media/usb/au0828/au0828.h +++ b/drivers/media/usb/au0828/au0828.h @@ -31,6 +31,7 @@ #include <media/v4l2-ctrls.h> #include <media/v4l2-fh.h> #include <media/media-device.h> +#include <media/media-dev-allocator.h> /* DVB */ #include <media/demux.h> @@ -283,9 +284,12 @@ struct au0828_dev { struct media_entity_notify entity_notify; struct media_entity *tuner; struct media_link *active_link; - struct media_entity *active_link_owner; struct media_entity *active_source; struct media_entity *active_sink; + struct media_entity *active_link_owner; + struct media_entity *active_link_user; + struct media_pipeline *active_link_user_pipe; + bool active_link_shared; #endif }; diff --git a/drivers/media/usb/cpia2/Kconfig b/drivers/media/usb/cpia2/Kconfig index 66e9283f5993..7029a04f3ffd 100644 --- a/drivers/media/usb/cpia2/Kconfig +++ b/drivers/media/usb/cpia2/Kconfig @@ -1,7 +1,7 @@ config VIDEO_CPIA2 tristate "CPiA2 Video For Linux" depends on VIDEO_DEV && USB && VIDEO_V4L2 - ---help--- + help This is the video4linux driver for cameras based on Vision's CPiA2 (Colour Processor Interface ASIC), such as the Digital Blue QX5 Microscope. If you have one of these cameras, say Y here diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/media/usb/cpia2/cpia2_v4l.c index 95c0bd4a19dc..45caf78119c4 100644 --- a/drivers/media/usb/cpia2/cpia2_v4l.c +++ b/drivers/media/usb/cpia2/cpia2_v4l.c @@ -1240,8 +1240,7 @@ static int __init cpia2_init(void) LOG("%s v%s\n", ABOUT, CPIA_VERSION); check_parameters(); - cpia2_usb_init(); - return 0; + return cpia2_usb_init(); } diff --git a/drivers/media/usb/cx231xx/Kconfig b/drivers/media/usb/cx231xx/Kconfig index 9e5b3e7c3ef5..9262d0d7439a 100644 --- a/drivers/media/usb/cx231xx/Kconfig +++ b/drivers/media/usb/cx231xx/Kconfig @@ -7,7 +7,7 @@ config VIDEO_CX231XX select VIDEO_CX25840 select VIDEO_CX2341X - ---help--- + help This is a video4linux driver for Conexant 231xx USB based TV cards. To compile this driver as a module, choose M here: the @@ -18,7 +18,7 @@ config VIDEO_CX231XX_RC depends on RC_CORE=y || RC_CORE=VIDEO_CX231XX depends on VIDEO_CX231XX default y - ---help--- + help cx231xx hardware has a builtin RX/TX support. However, a few designs opted to not use it, but, instead, some other hardware. This module enables the usage of those other hardware, like the @@ -31,7 +31,7 @@ config VIDEO_CX231XX_ALSA depends on VIDEO_CX231XX && SND select SND_PCM - ---help--- + help This is an ALSA driver for Cx231xx USB based TV cards. To compile this driver as a module, choose M here: the @@ -52,6 +52,6 @@ config VIDEO_CX231XX_DVB select DVB_MN88473 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_R820T if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help This adds support for DVB cards based on the Conexant cx231xx chips. diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 80d3bd3a0f24..1b7f1af399fb 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -846,6 +846,7 @@ static int af9035_read_config(struct dvb_usb_device *d) state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL; + state->it930x_addresses = 0; if (state->chip_type == 0x9135) { /* feed clock for integrated RF tuner */ @@ -872,6 +873,10 @@ static int af9035_read_config(struct dvb_usb_device *d) * IT930x is an USB bridge, only single demod-single tuner * configurations seen so far. */ + if ((le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) && + (le16_to_cpu(d->udev->descriptor.idProduct) == USB_PID_AVERMEDIA_TD310)) { + state->it930x_addresses = 1; + } return 0; } @@ -1218,6 +1223,48 @@ static int it930x_frontend_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); + /* I2C master bus 2 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f6a7, 0x07); + if (ret < 0) + goto err; + + /* I2C master bus 1,3 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f103, 0x07); + if (ret < 0) + goto err; + + /* set gpio11 low */ + ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01); + if (ret < 0) + goto err; + + /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */ + ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01); + if (ret < 0) + goto err; + + msleep(200); + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01); + if (ret < 0) + goto err; + memset(&si2168_config, 0, sizeof(si2168_config)); si2168_config.i2c_adapter = &adapter; si2168_config.fe = &adap->fe[0]; @@ -1225,8 +1272,9 @@ static int it930x_frontend_attach(struct dvb_usb_adapter *adap) state->af9033_config[adap->id].fe = &adap->fe[0]; state->af9033_config[adap->id].ops = &state->ops; - ret = af9035_add_i2c_dev(d, "si2168", 0x67, &si2168_config, - &d->i2c_adap); + ret = af9035_add_i2c_dev(d, "si2168", + it930x_addresses_table[state->it930x_addresses].frontend_i2c_addr, + &si2168_config, &d->i2c_adap); if (ret) goto err; @@ -1575,54 +1623,12 @@ static int it930x_tuner_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); - /* I2C master bus 2 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f6a7, 0x07); - if (ret < 0) - goto err; - - /* I2C master bus 1,3 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f103, 0x07); - if (ret < 0) - goto err; - - /* set gpio11 low */ - ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01); - if (ret < 0) - goto err; - - /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */ - ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01); - if (ret < 0) - goto err; - - msleep(200); - - ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01); - if (ret < 0) - goto err; - memset(&si2157_config, 0, sizeof(si2157_config)); si2157_config.fe = adap->fe[0]; - si2157_config.if_port = 1; - ret = af9035_add_i2c_dev(d, "si2157", 0x63, - &si2157_config, state->i2c_adapter_demod); - + si2157_config.if_port = it930x_addresses_table[state->it930x_addresses].tuner_if_port; + ret = af9035_add_i2c_dev(d, "si2157", + it930x_addresses_table[state->it930x_addresses].tuner_i2c_addr, + &si2157_config, state->i2c_adapter_demod); if (ret) goto err; @@ -2128,6 +2134,8 @@ static const struct usb_device_id af9035_id_table[] = { /* IT930x devices */ { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303, &it930x_props, "ITE 9303 Generic", NULL) }, + { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TD310, + &it930x_props, "AVerMedia TD310 DVB-T2", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); diff --git a/drivers/media/usb/dvb-usb-v2/af9035.h b/drivers/media/usb/dvb-usb-v2/af9035.h index a76e6bf0ab1e..bc41c16f9727 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.h +++ b/drivers/media/usb/dvb-usb-v2/af9035.h @@ -69,6 +69,7 @@ struct state { u8 dual_mode:1; u8 no_read:1; u8 af9033_i2c_addr[2]; + u8 it930x_addresses; struct af9033_config af9033_config[2]; struct af9033_ops ops; #define AF9035_I2C_CLIENT_MAX 4 @@ -77,6 +78,17 @@ struct state { struct platform_device *platform_device_tuner[2]; }; +struct address_table { + u8 frontend_i2c_addr; + u8 tuner_i2c_addr; + u8 tuner_if_port; +}; + +static const struct address_table it930x_addresses_table[] = { + { 0x67, 0x63, 1 }, + { 0x64, 0x60, 0 }, +}; + static const u32 clock_lut_af9035[] = { 20480000, /* FPGA */ 16384000, /* 16.38 MHz */ diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c index e28bd8836751..ae0814dd202a 100644 --- a/drivers/media/usb/dvb-usb-v2/dvbsky.c +++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c @@ -615,16 +615,18 @@ static int dvbsky_init(struct dvb_usb_device *d) return 0; } -static void dvbsky_exit(struct dvb_usb_device *d) +static int dvbsky_frontend_detach(struct dvb_usb_adapter *adap) { + struct dvb_usb_device *d = adap_to_d(adap); struct dvbsky_state *state = d_to_priv(d); - struct dvb_usb_adapter *adap = &d->adapter[0]; + + dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id); dvb_module_release(state->i2c_client_tuner); dvb_module_release(state->i2c_client_demod); dvb_module_release(state->i2c_client_ci); - adap->fe[0] = NULL; + return 0; } /* DVB USB Driver stuff */ @@ -640,11 +642,11 @@ static struct dvb_usb_device_properties dvbsky_s960_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_s960_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -667,11 +669,11 @@ static struct dvb_usb_device_properties dvbsky_s960c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_s960c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -694,11 +696,11 @@ static struct dvb_usb_device_properties dvbsky_t680c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_t680c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -721,11 +723,11 @@ static struct dvb_usb_device_properties dvbsky_t330_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_t330_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .read_mac_address = dvbsky_read_mac_addr, .num_adapters = 1, @@ -748,11 +750,11 @@ static struct dvb_usb_device_properties mygica_t230c_props = { .i2c_algo = &dvbsky_i2c_algo, .frontend_attach = dvbsky_mygica_t230c_attach, + .frontend_detach = dvbsky_frontend_detach, .init = dvbsky_init, .get_rc_config = dvbsky_get_rc_config, .streaming_ctrl = dvbsky_streaming_ctrl, .identify_state = dvbsky_identify_state, - .exit = dvbsky_exit, .num_adapters = 1, .adapter = { diff --git a/drivers/media/usb/em28xx/Kconfig b/drivers/media/usb/em28xx/Kconfig index 451e076525d3..639da7e24066 100644 --- a/drivers/media/usb/em28xx/Kconfig +++ b/drivers/media/usb/em28xx/Kconfig @@ -13,7 +13,7 @@ config VIDEO_EM28XX_V4L2 select VIDEO_MSP3400 if MEDIA_SUBDRV_AUTOSELECT select VIDEO_MT9V011 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT select VIDEO_OV2640 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT - ---help--- + help This is a video4linux driver for Empia 28xx based TV cards. To compile this driver as a module, choose M here: the @@ -23,7 +23,7 @@ config VIDEO_EM28XX_ALSA depends on VIDEO_EM28XX && SND select SND_PCM tristate "Empia EM28xx ALSA audio module" - ---help--- + help This is an ALSA driver for some Empia 28xx based TV cards. This is not required for em2800/em2820/em2821 boards. However, @@ -66,7 +66,7 @@ config VIDEO_EM28XX_DVB select MEDIA_TUNER_XC2028 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_MT2060 if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help This adds support for DVB cards based on the Empiatech em28xx chips. @@ -76,5 +76,5 @@ config VIDEO_EM28XX_RC depends on VIDEO_EM28XX depends on !(RC_CORE=m && VIDEO_EM28XX=y) default VIDEO_EM28XX - ---help--- + help Enables Remote Controller support on em28xx driver. diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index f84a1208d5d3..d85ea1af6aa1 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -499,7 +499,7 @@ static int em28xx_probe_i2c_ir(struct em28xx *dev) * at address 0x18, so if that address is needed for another board in * the future, please put it after 0x1f. */ - const unsigned short addr_list[] = { + static const unsigned short addr_list[] = { 0x1f, 0x30, 0x47, I2C_CLIENT_END }; diff --git a/drivers/media/usb/go7007/Kconfig b/drivers/media/usb/go7007/Kconfig index af1d02430931..beab257c092f 100644 --- a/drivers/media/usb/go7007/Kconfig +++ b/drivers/media/usb/go7007/Kconfig @@ -13,7 +13,7 @@ config VIDEO_GO7007 select VIDEO_TW9906 if MEDIA_SUBDRV_AUTOSELECT select VIDEO_OV7640 if MEDIA_SUBDRV_AUTOSELECT && MEDIA_CAMERA_SUPPORT select VIDEO_UDA1342 if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help This is a video4linux driver for the WIS GO7007 MPEG encoder chip. @@ -23,7 +23,7 @@ config VIDEO_GO7007 config VIDEO_GO7007_USB tristate "WIS GO7007 USB support" depends on VIDEO_GO7007 && USB - ---help--- + help This is a video4linux driver for the WIS GO7007 MPEG encoder chip over USB. @@ -34,7 +34,7 @@ config VIDEO_GO7007_LOADER tristate "WIS GO7007 Loader support" depends on VIDEO_GO7007 default y - ---help--- + help This is a go7007 firmware loader driver for the WIS GO7007 MPEG encoder chip over USB. @@ -44,7 +44,7 @@ config VIDEO_GO7007_LOADER config VIDEO_GO7007_USB_S2250_BOARD tristate "Sensoray 2250/2251 support" depends on VIDEO_GO7007_USB && USB - ---help--- + help This is a video4linux driver for the Sensoray 2250/2251 device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c index 24f5b615dc7a..dfa9f899d0c2 100644 --- a/drivers/media/usb/go7007/go7007-fw.c +++ b/drivers/media/usb/go7007/go7007-fw.c @@ -1499,8 +1499,8 @@ static int modet_to_package(struct go7007 *go, __le16 *code, int space) return cnt; } -static int do_special(struct go7007 *go, u16 type, __le16 *code, int space, - int *framelen) +static noinline_for_stack int do_special(struct go7007 *go, u16 type, + __le16 *code, int space, int *framelen) { switch (type) { case SPECIAL_FRM_HEAD: diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c index 19c6a0354ce0..abe98488be23 100644 --- a/drivers/media/usb/go7007/go7007-usb.c +++ b/drivers/media/usb/go7007/go7007-usb.c @@ -1132,7 +1132,7 @@ static int go7007_usb_probe(struct usb_interface *intf, usb->usbdev = usbdev; usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info)); go->board_id = id->driver_info; - strncpy(go->name, name, sizeof(go->name)); + strscpy(go->name, name, sizeof(go->name)); if (board->flags & GO7007_USB_EZUSB) go->hpi_ops = &go7007_usb_ezusb_hpi_ops; else @@ -1198,7 +1198,7 @@ static int go7007_usb_probe(struct usb_interface *intf, go->board_id = GO7007_BOARDID_ENDURA; usb->board = board = &board_endura; go->board_info = &board->main_info; - strncpy(go->name, "Pelco Endura", + strscpy(go->name, "Pelco Endura", sizeof(go->name)); } else { u16 channel; @@ -1232,21 +1232,21 @@ static int go7007_usb_probe(struct usb_interface *intf, case 1: go->tuner_type = TUNER_SONY_BTF_PG472Z; go->std = V4L2_STD_PAL; - strncpy(go->name, "Plextor PX-TV402U-EU", - sizeof(go->name)); + strscpy(go->name, "Plextor PX-TV402U-EU", + sizeof(go->name)); break; case 2: go->tuner_type = TUNER_SONY_BTF_PK467Z; go->std = V4L2_STD_NTSC_M_JP; num_i2c_devs -= 2; - strncpy(go->name, "Plextor PX-TV402U-JP", - sizeof(go->name)); + strscpy(go->name, "Plextor PX-TV402U-JP", + sizeof(go->name)); break; case 3: go->tuner_type = TUNER_SONY_BTF_PB463Z; num_i2c_devs -= 2; - strncpy(go->name, "Plextor PX-TV402U-NA", - sizeof(go->name)); + strscpy(go->name, "Plextor PX-TV402U-NA", + sizeof(go->name)); break; default: pr_debug("unable to detect tuner type!\n"); diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c index 7a2781fa83e7..bebdfcecf600 100644 --- a/drivers/media/usb/go7007/go7007-v4l2.c +++ b/drivers/media/usb/go7007/go7007-v4l2.c @@ -327,7 +327,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; fmt->flags = V4L2_FMT_FLAG_COMPRESSED; - strncpy(fmt->description, desc, sizeof(fmt->description)); + strscpy(fmt->description, desc, sizeof(fmt->description)); return 0; } diff --git a/drivers/media/usb/gspca/Kconfig b/drivers/media/usb/gspca/Kconfig index 088566e88467..0e6f36cb46e6 100644 --- a/drivers/media/usb/gspca/Kconfig +++ b/drivers/media/usb/gspca/Kconfig @@ -4,7 +4,7 @@ menuconfig USB_GSPCA depends on INPUT || INPUT=n select VIDEOBUF2_VMALLOC default m - ---help--- + help Say Y here if you want to enable selecting webcams based on the GSPCA framework. diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index ac70b36d67b7..4d7517411cc2 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -294,7 +294,7 @@ static void fill_frame(struct gspca_dev *gspca_dev, /* check the packet status and length */ st = urb->iso_frame_desc[i].status; if (st) { - pr_err("ISOC data error: [%d] len=%d, status=%d\n", + gspca_dbg(gspca_dev, D_PACK, "ISOC data error: [%d] len=%d, status=%d\n", i, len, st); gspca_dev->last_packet_type = DISCARD_PACKET; continue; @@ -314,6 +314,8 @@ static void fill_frame(struct gspca_dev *gspca_dev, } resubmit: + if (!gspca_dev->streaming) + return; /* resubmit the URB */ st = usb_submit_urb(urb, GFP_ATOMIC); if (st < 0) @@ -330,7 +332,7 @@ static void isoc_irq(struct urb *urb) struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context; gspca_dbg(gspca_dev, D_PACK, "isoc irq\n"); - if (!vb2_start_streaming_called(&gspca_dev->queue)) + if (!gspca_dev->streaming) return; fill_frame(gspca_dev, urb); } @@ -344,7 +346,7 @@ static void bulk_irq(struct urb *urb) int st; gspca_dbg(gspca_dev, D_PACK, "bulk irq\n"); - if (!vb2_start_streaming_called(&gspca_dev->queue)) + if (!gspca_dev->streaming) return; switch (urb->status) { case 0: @@ -367,6 +369,8 @@ static void bulk_irq(struct urb *urb) urb->actual_length); resubmit: + if (!gspca_dev->streaming) + return; /* resubmit the URB */ if (gspca_dev->cam.bulk_nurbs != 0) { st = usb_submit_urb(urb, GFP_ATOMIC); @@ -1638,6 +1642,8 @@ void gspca_disconnect(struct usb_interface *intf) mutex_lock(&gspca_dev->usb_lock); gspca_dev->present = false; + destroy_urbs(gspca_dev); + gspca_input_destroy_urb(gspca_dev); vb2_queue_error(&gspca_dev->queue); diff --git a/drivers/media/usb/hackrf/Kconfig b/drivers/media/usb/hackrf/Kconfig index 937e6f5c1e8e..072e186018f5 100644 --- a/drivers/media/usb/hackrf/Kconfig +++ b/drivers/media/usb/hackrf/Kconfig @@ -2,7 +2,7 @@ config USB_HACKRF tristate "HackRF" depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC - ---help--- + help This is a video4linux2 driver for HackRF SDR device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/hdpvr/Kconfig b/drivers/media/usb/hdpvr/Kconfig index d73d9a1952b4..9e78c0c32651 100644 --- a/drivers/media/usb/hdpvr/Kconfig +++ b/drivers/media/usb/hdpvr/Kconfig @@ -2,7 +2,7 @@ config VIDEO_HDPVR tristate "Hauppauge HD PVR support" depends on VIDEO_DEV && VIDEO_V4L2 - ---help--- + help This is a video4linux driver for Hauppauge's HD PVR USB device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index e082086428a4..3804aa3fb50f 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -769,8 +769,7 @@ static int vidioc_enum_input(struct file *file, void *_fh, struct v4l2_input *i) i->type = V4L2_INPUT_TYPE_CAMERA; - strncpy(i->name, iname[n], sizeof(i->name) - 1); - i->name[sizeof(i->name) - 1] = '\0'; + strscpy(i->name, iname[n], sizeof(i->name)); i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF; @@ -841,8 +840,7 @@ static int vidioc_enumaudio(struct file *file, void *priv, audio->capability = V4L2_AUDCAP_STEREO; - strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1); - audio->name[sizeof(audio->name) - 1] = '\0'; + strscpy(audio->name, audio_iname[n], sizeof(audio->name)); return 0; } @@ -874,7 +872,6 @@ static int vidioc_g_audio(struct file *file, void *private_data, audio->index = dev->options.audio_input; audio->capability = V4L2_AUDCAP_STEREO; strscpy(audio->name, audio_iname[audio->index], sizeof(audio->name)); - audio->name[sizeof(audio->name) - 1] = '\0'; return 0; } @@ -991,7 +988,8 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data, return -EINVAL; f->flags = V4L2_FMT_FLAG_COMPRESSED; - strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32); + strscpy(f->description, "MPEG2-TS with AVC/AAC streams", + sizeof(f->description)); f->pixelformat = V4L2_PIX_FMT_MPEG; return 0; diff --git a/drivers/media/usb/pulse8-cec/Kconfig b/drivers/media/usb/pulse8-cec/Kconfig index 18ead44824ba..11f1b75d3efd 100644 --- a/drivers/media/usb/pulse8-cec/Kconfig +++ b/drivers/media/usb/pulse8-cec/Kconfig @@ -4,7 +4,7 @@ config USB_PULSE8_CEC select CEC_CORE select SERIO select SERIO_SERPORT - ---help--- + help This is a cec driver for the Pulse Eight HDMI CEC device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/pulse8-cec/pulse8-cec.c b/drivers/media/usb/pulse8-cec/pulse8-cec.c index b085b14f3f87..ea9ee74fa336 100644 --- a/drivers/media/usb/pulse8-cec/pulse8-cec.c +++ b/drivers/media/usb/pulse8-cec/pulse8-cec.c @@ -435,7 +435,7 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio, err = pulse8_send_and_wait(pulse8, cmd, 1, cmd[0], 0); if (err) return err; - strncpy(log_addrs->osd_name, data, 13); + strscpy(log_addrs->osd_name, data, sizeof(log_addrs->osd_name)); dev_dbg(pulse8->dev, "OSD name: %s\n", log_addrs->osd_name); return 0; @@ -566,7 +566,7 @@ static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr) char *osd_str = cmd + 1; cmd[0] = MSGCODE_SET_OSD_NAME; - strncpy(cmd + 1, adap->log_addrs.osd_name, 13); + strscpy(cmd + 1, adap->log_addrs.osd_name, sizeof(cmd) - 1); if (osd_len < 4) { memset(osd_str + osd_len, ' ', 4 - osd_len); osd_len = 4; diff --git a/drivers/media/usb/pvrusb2/Kconfig b/drivers/media/usb/pvrusb2/Kconfig index 1ad913fc30bf..ac6612cf1bec 100644 --- a/drivers/media/usb/pvrusb2/Kconfig +++ b/drivers/media/usb/pvrusb2/Kconfig @@ -9,7 +9,7 @@ config VIDEO_PVRUSB2 select VIDEO_MSP3400 select VIDEO_WM8775 select VIDEO_CS53L32A - ---help--- + help This is a video4linux driver for Conexant 23416 based usb2 personal video recorder devices. @@ -20,7 +20,7 @@ config VIDEO_PVRUSB2_SYSFS bool "pvrusb2 sysfs support" default y depends on VIDEO_PVRUSB2 && SYSFS - ---help--- + help This option enables the operation of a sysfs based interface for query and control of the pvrusb2 driver. @@ -43,7 +43,7 @@ config VIDEO_PVRUSB2_DVB select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_SIMPLE if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_TDA8290 if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help This option enables a DVB interface for the pvrusb2 driver. If your device does not support digital television, this feature will have no affect on the driver's operation. @@ -53,7 +53,7 @@ config VIDEO_PVRUSB2_DVB config VIDEO_PVRUSB2_DEBUGIFC bool "pvrusb2 debug interface" depends on VIDEO_PVRUSB2_SYSFS - ---help--- + help This option enables the inclusion of a debug interface in the pvrusb2 driver, hosted through sysfs. diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index 446a999dd2ce..816c85786c2a 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -666,6 +666,8 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) static int ctrl_check_input(struct pvr2_ctrl *cptr,int v) { + if (v < 0 || v > PVR2_CVAL_INPUT_MAX) + return 0; return ((1 << v) & cptr->hdw->input_allowed_mask) != 0; } @@ -2459,9 +2461,8 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, if (!(qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY)) { ciptr->set_value = ctrl_cx2341x_set; } - strncpy(hdw->mpeg_ctrl_info[idx].desc,qctrl.name, - PVR2_CTLD_INFO_DESC_SIZE); - hdw->mpeg_ctrl_info[idx].desc[PVR2_CTLD_INFO_DESC_SIZE-1] = 0; + strscpy(hdw->mpeg_ctrl_info[idx].desc, qctrl.name, + sizeof(hdw->mpeg_ctrl_info[idx].desc)); ciptr->default_value = qctrl.default_value; switch (qctrl.type) { default: diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h index 25648add77e5..bd2b7a67b732 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h @@ -50,6 +50,7 @@ #define PVR2_CVAL_INPUT_COMPOSITE 2 #define PVR2_CVAL_INPUT_SVIDEO 3 #define PVR2_CVAL_INPUT_RADIO 4 +#define PVR2_CVAL_INPUT_MAX PVR2_CVAL_INPUT_RADIO enum pvr2_config { pvr2_config_empty, /* No configuration */ diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c index 08d5b7aa3537..cb6668580d77 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c @@ -284,7 +284,7 @@ static int pvr2_enumaudio(struct file *file, void *priv, struct v4l2_audio *vin) if (vin->index > 0) return -EINVAL; - strncpy(vin->name, "PVRUSB2 Audio", 14); + strscpy(vin->name, "PVRUSB2 Audio", sizeof(vin->name)); vin->capability = V4L2_AUDCAP_STEREO; return 0; } @@ -293,7 +293,7 @@ static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin) { /* pkt: FIXME: see above comment (VIDIOC_ENUMAUDIO) */ vin->index = 0; - strncpy(vin->name, "PVRUSB2 Audio", 14); + strscpy(vin->name, "PVRUSB2 Audio", sizeof(vin->name)); vin->capability = V4L2_AUDCAP_STEREO; return 0; } diff --git a/drivers/media/usb/pwc/Kconfig b/drivers/media/usb/pwc/Kconfig index d63d0a850035..5f6d91edca41 100644 --- a/drivers/media/usb/pwc/Kconfig +++ b/drivers/media/usb/pwc/Kconfig @@ -2,7 +2,7 @@ config USB_PWC tristate "USB Philips Cameras" depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC - ---help--- + help Say Y or M here if you want to use one of these Philips & OEM webcams: * Philips PCA645, PCA646 @@ -41,7 +41,7 @@ config USB_PWC_INPUT_EVDEV bool "USB Philips Cameras input events device support" default y depends on USB_PWC && (USB_PWC=INPUT || INPUT=y) - ---help--- + help This option makes USB Philips cameras register the snapshot button as an input device to report button events. diff --git a/drivers/media/usb/pwc/pwc-ctrl.c b/drivers/media/usb/pwc/pwc-ctrl.c index 655cef39eb3d..b681a184ef87 100644 --- a/drivers/media/usb/pwc/pwc-ctrl.c +++ b/drivers/media/usb/pwc/pwc-ctrl.c @@ -242,14 +242,14 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int pixfmt, fps = (frames / 5) - 1; /* Find a supported framerate with progressively higher compression */ - pChoose = NULL; - while (*compression <= 3) { + do { pChoose = &Timon_table[size][fps][*compression]; if (pChoose->alternate != 0) break; (*compression)++; - } - if (pChoose == NULL || pChoose->alternate == 0) + } while (*compression <= 3); + + if (pChoose->alternate == 0) return -ENOENT; /* Not supported. */ if (send_to_cam) @@ -279,7 +279,7 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int pixfmt, static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int pixfmt, int frames, int *compression, int send_to_cam) { - const struct Kiara_table_entry *pChoose = NULL; + const struct Kiara_table_entry *pChoose; int fps, ret = 0; if (size >= PSZ_MAX || *compression < 0 || *compression > 3) @@ -293,13 +293,14 @@ static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int pixfmt, fps = (frames / 5) - 1; /* Find a supported framerate with progressively higher compression */ - while (*compression <= 3) { + do { pChoose = &Kiara_table[size][fps][*compression]; if (pChoose->alternate != 0) break; (*compression)++; - } - if (pChoose == NULL || pChoose->alternate == 0) + } while (*compression <= 3); + + if (pChoose->alternate == 0) return -ENOENT; /* Not supported. */ /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */ diff --git a/drivers/media/usb/rainshadow-cec/Kconfig b/drivers/media/usb/rainshadow-cec/Kconfig index 030ef01b1ff0..6b00be618db8 100644 --- a/drivers/media/usb/rainshadow-cec/Kconfig +++ b/drivers/media/usb/rainshadow-cec/Kconfig @@ -4,7 +4,7 @@ config USB_RAINSHADOW_CEC select CEC_CORE select SERIO select SERIO_SERPORT - ---help--- + help This is a cec driver for the RainShadow Tech HDMI CEC device. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/siano/Kconfig b/drivers/media/usb/siano/Kconfig index d37b742d4f7a..cc5e5aa3c93a 100644 --- a/drivers/media/usb/siano/Kconfig +++ b/drivers/media/usb/siano/Kconfig @@ -8,6 +8,6 @@ config SMS_USB_DRV depends on !RC_CORE || RC_CORE select MEDIA_COMMON_OPTIONS select SMS_SIANO_MDTV - ---help--- + help Choose if you would like to have Siano's support for USB interface diff --git a/drivers/media/usb/stk1160/Kconfig b/drivers/media/usb/stk1160/Kconfig index 425ed00e2599..03426e4437ea 100644 --- a/drivers/media/usb/stk1160/Kconfig +++ b/drivers/media/usb/stk1160/Kconfig @@ -2,7 +2,7 @@ config VIDEO_STK1160_COMMON tristate "STK1160 USB video capture support" depends on VIDEO_DEV && I2C - ---help--- + help This is a video4linux driver for STK1160 based video capture devices. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/stkwebcam/Kconfig b/drivers/media/usb/stkwebcam/Kconfig index a6a00aa4fce6..ea9e04b3caaf 100644 --- a/drivers/media/usb/stkwebcam/Kconfig +++ b/drivers/media/usb/stkwebcam/Kconfig @@ -1,7 +1,7 @@ config USB_STKWEBCAM tristate "USB Syntek DC1125 Camera support" depends on VIDEO_V4L2 - ---help--- + help Say Y here if you want to use this type of camera. Supported devices are typically found in some Asus laptops, with USB id 174f:a311 and 05e1:0501. Other Syntek cameras diff --git a/drivers/media/usb/tm6000/Kconfig b/drivers/media/usb/tm6000/Kconfig index a43b77abd931..321ae691f4d9 100644 --- a/drivers/media/usb/tm6000/Kconfig +++ b/drivers/media/usb/tm6000/Kconfig @@ -18,7 +18,7 @@ config VIDEO_TM6000_ALSA tristate "TV Master TM5600/6000/6010 audio support" depends on VIDEO_TM6000 && SND select SND_PCM - ---help--- + help This is a video4linux driver for direct (DMA) audio for TM5600/TM6000/TM6010 USB Devices. @@ -29,5 +29,5 @@ config VIDEO_TM6000_DVB tristate "DVB Support for tm6000 based TV cards" depends on VIDEO_TM6000 && DVB_CORE && USB select DVB_ZL10353 - ---help--- + help This adds support for DVB cards based on the tm5600/tm6000 chip. diff --git a/drivers/media/usb/usbtv/Kconfig b/drivers/media/usb/usbtv/Kconfig index 14a0941fa0d0..2b4ac0848469 100644 --- a/drivers/media/usb/usbtv/Kconfig +++ b/drivers/media/usb/usbtv/Kconfig @@ -4,7 +4,7 @@ config VIDEO_USBTV select SND_PCM select VIDEOBUF2_VMALLOC - ---help--- + help This is a video4linux2 driver for USBTV007 based video capture devices. To compile this driver as a module, choose M here: the diff --git a/drivers/media/usb/usbvision/Kconfig b/drivers/media/usb/usbvision/Kconfig index 6b6afc5d8f7e..7aa080cb9884 100644 --- a/drivers/media/usb/usbvision/Kconfig +++ b/drivers/media/usb/usbvision/Kconfig @@ -3,7 +3,7 @@ config VIDEO_USBVISION depends on I2C && VIDEO_V4L2 select VIDEO_TUNER select VIDEO_SAA711X if MEDIA_SUBDRV_AUTOSELECT - ---help--- + help There are more than 50 different USB video devices based on NT1003/1004/1005 USB Bridges. This driver enables using those devices. diff --git a/drivers/media/usb/usbvision/usbvision-core.c b/drivers/media/usb/usbvision/usbvision-core.c index 92d166bf8c12..abc4eed832a3 100644 --- a/drivers/media/usb/usbvision/usbvision-core.c +++ b/drivers/media/usb/usbvision/usbvision-core.c @@ -2302,6 +2302,9 @@ int usbvision_init_isoc(struct usb_usbvision *usbvision) sb_size, GFP_KERNEL, &urb->transfer_dma); + if (!usbvision->sbuf[buf_idx].data) + return -ENOMEM; + urb->dev = dev; urb->context = usbvision; urb->pipe = usb_rcvisocpipe(dev, usbvision->video_endp); diff --git a/drivers/media/usb/uvc/Kconfig b/drivers/media/usb/uvc/Kconfig index 6ed85efabcaa..94937d0cc2e3 100644 --- a/drivers/media/usb/uvc/Kconfig +++ b/drivers/media/usb/uvc/Kconfig @@ -2,7 +2,7 @@ config USB_VIDEO_CLASS tristate "USB Video Class (UVC)" depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC - ---help--- + help Support for the USB Video Class (UVC). Currently only video input devices, such as webcams, are supported. @@ -13,7 +13,7 @@ config USB_VIDEO_CLASS_INPUT_EVDEV default y depends on USB_VIDEO_CLASS depends on USB_VIDEO_CLASS=INPUT || INPUT=y - ---help--- + help This option makes USB Video Class devices register an input device to report button events. diff --git a/drivers/media/usb/zr364xx/Kconfig b/drivers/media/usb/zr364xx/Kconfig index ac429bca70e8..979b1d4f3f68 100644 --- a/drivers/media/usb/zr364xx/Kconfig +++ b/drivers/media/usb/zr364xx/Kconfig @@ -3,7 +3,7 @@ config USB_ZR364XX depends on VIDEO_V4L2 select VIDEOBUF_GEN select VIDEOBUF_VMALLOC - ---help--- + help Say Y here if you want to connect this type of camera to your computer's USB port. See <file:Documentation/media/v4l-drivers/zr364xx.rst> for more info |