diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-core.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 94fb1b639a2e..192b76cdd5d7 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -33,8 +33,8 @@ /* #define ENABLE_DEBUG_ISOC_FRAMES */ static unsigned int core_debug; -module_param(core_debug,int,0644); -MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); +module_param(core_debug, int, 0644); +MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); #define em28xx_coredbg(fmt, arg...) do {\ if (core_debug) \ @@ -42,8 +42,8 @@ MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); dev->name, __func__ , ##arg); } while (0) static unsigned int reg_debug; -module_param(reg_debug,int,0644); -MODULE_PARM_DESC(reg_debug,"enable debug messages [URB reg]"); +module_param(reg_debug, int, 0644); +MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); #define em28xx_regdbg(fmt, arg...) do {\ if (reg_debug) \ @@ -77,7 +77,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, return -EINVAL; if (reg_debug) { - printk( KERN_DEBUG "(pipe 0x%08x): " + printk(KERN_DEBUG "(pipe 0x%08x): " "IN: %02x %02x %02x %02x %02x %02x %02x %02x ", pipe, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, @@ -154,7 +154,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, if (reg_debug) { int byte; - printk( KERN_DEBUG "(pipe 0x%08x): " + printk(KERN_DEBUG "(pipe 0x%08x): " "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", pipe, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, @@ -378,6 +378,11 @@ static int em28xx_set_audio_source(struct em28xx *dev) } } + if (dev->board.mute_gpio && dev->mute) + em28xx_gpio_set(dev, dev->board.mute_gpio); + else + em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio); + ret = em28xx_write_reg_bits(dev, EM28XX_R0E_AUDIOSRC, input, 0xc0); if (ret < 0) return ret; @@ -424,7 +429,7 @@ int em28xx_audio_analog_set(struct em28xx *dev) xclk = dev->board.xclk & 0x7f; if (!dev->mute) - xclk |= 0x80; + xclk |= EM28XX_XCLK_AUDIO_UNMUTE; ret = em28xx_write_reg(dev, EM28XX_R0F_XCLK, xclk); if (ret < 0) @@ -462,7 +467,8 @@ int em28xx_audio_analog_set(struct em28xx *dev) if (dev->ctl_aoutput & EM28XX_AOUT_PCM_IN) { int sel = ac97_return_record_select(dev->ctl_aoutput); - /* Use the same input for both left and right channels */ + /* Use the same input for both left and right + channels */ sel |= (sel << 8); em28xx_write_ac97(dev, AC97_RECORD_SELECT, sel); @@ -698,7 +704,7 @@ static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v) em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2); /* it seems that both H and V scalers must be active to work correctly */ - mode = (h || v)? 0x30: 0x00; + mode = (h || v) ? 0x30 : 0x00; } return em28xx_write_reg_bits(dev, EM28XX_R26_COMPR, mode, 0x30); } @@ -827,6 +833,19 @@ static void em28xx_irq_callback(struct urb *urb) struct em28xx *dev = container_of(dma_q, struct em28xx, vidq); int rc, i; + switch (urb->status) { + case 0: /* success */ + case -ETIMEDOUT: /* NAK */ + break; + case -ECONNRESET: /* kill */ + case -ENOENT: + case -ESHUTDOWN: + return; + default: /* error */ + em28xx_isocdbg("urb completition error %d.\n", urb->status); + break; + } + /* Copy data from URB */ spin_lock(&dev->slock); rc = dev->isoc_ctl.isoc_copy(dev, urb); @@ -945,7 +964,7 @@ int em28xx_init_isoc(struct em28xx *dev, int max_packets, em28xx_err("unable to allocate %i bytes for transfer" " buffer %i%s\n", sb_size, i, - in_interrupt()?" while in int":""); + in_interrupt() ? " while in int" : ""); em28xx_uninit_isoc(dev); return -ENOMEM; } @@ -963,7 +982,7 @@ int em28xx_init_isoc(struct em28xx *dev, int max_packets, em28xx_irq_callback, dma_q, 1); urb->number_of_packets = max_packets; - urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; k = 0; for (j = 0; j < max_packets; j++) { @@ -999,14 +1018,10 @@ EXPORT_SYMBOL_GPL(em28xx_init_isoc); */ void em28xx_wake_i2c(struct em28xx *dev) { - struct v4l2_routing route; - int zero = 0; - - route.input = INPUT(dev->ctl_input)->vmux; - route.output = 0; - em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, &zero); - em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); - em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL); + v4l2_device_call_all(&dev->v4l2_dev, 0, core, reset, 0); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing, + INPUT(dev->ctl_input)->vmux, 0, 0); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); } /* |