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2018-01-30media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUFHans Verkuil1-0/+1
The result of the VIDIOC_PREPARE_BUF ioctl was never copied back to userspace since it was missing in the switch. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: <stable@vger.kernel.org> # for v4.15 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-30media: v4l2-ioctl.c: don't copy back the result for -ENOTTYHans Verkuil1-1/+4
If the ioctl returned -ENOTTY, then don't bother copying back the result as there is no point. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: <stable@vger.kernel.org> # for v4.15 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-30media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmtHans Verkuil1-86/+54
Don't duplicate the buffer type checks in enum/g/s/try_fmt. The check_fmt function does that already. It is hard to keep the checks in sync for all these functions and in fact the check for VBI was wrong in the _fmt functions as it allowed SDR types as well. This caused a v4l2-compliance failure for /dev/swradio0 using vivid. This simplifies the code and keeps the check in one place and fixes the SDR/VBI bug. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: <stable@vger.kernel.org> # for v4.15 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-30media: vivid: fix module load error when enabling fb and no_error_inj=1Hans Verkuil2-6/+30
If the framebuffer is enabled and error injection is disabled, then creating the controls for the video output device would fail with an error. This is because the Clear Framebuffer control uses the 'vivid control class' and that control class isn't added if error injection is disabled. In addition, this control was added to e.g. vbi devices as well, which makes no sense. Move this control to its own control handler and handle it correctly. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: <stable@vger.kernel.org> # for v4.15 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-29media: dvb_demux: improve debug messagesMauro Carvalho Chehab1-21/+22
Do some cleanup of debug messages, making them cleaner and easier to be used to analyze what's going on. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2018-01-29media: dvb_demux: Better handle discontinuity errorsMauro Carvalho Chehab1-2/+6
When a packet discontinuity happens, it is not just the payload that was lost. The headers are lost too. So, the max size is not 184 but, instead 188. Also, while printing warnings, make a distinction between MPEG-TS indicated discontinuity and detected one. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2018-01-29media: cxusb, dib0700: ignore XC2028_I2C_FLUSHMauro Carvalho Chehab2-0/+3
The XC2028_I2C_FLUSH only needs to be implemented on a few devices. Others can safely ignore it. That prevents filling the dmesg with lots of messages like: dib0700: stk7700ph_xc3028_callback: unknown command 2, arg 0 Cc: stable@vger.kernel.org Fixes: 4d37ece757a8 ("[media] tuner/xc2028: Add I2C flush callback") Reported-by: Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2018-01-29media: ts2020: avoid integer overflows on 32 bit machinesMauro Carvalho Chehab1-2/+2
Before this patch, when compiled for arm32, the signal strength were reported as: Lock (0x1f) Signal= 4294908.66dBm C/N= 12.79dB Because of a 32 bit integer overflow. After it, it is properly reported as: Lock (0x1f) Signal= -58.64dBm C/N= 12.79dB Cc: stable@vger.kernel.org Fixes: 0f91c9d6bab9 ("[media] TS2020: Calculate tuner gain correctly") Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: i2c: ov7740: use gpio/consumer.h instead of gpio.hArnd Bergmann1-1/+1
When built on a platform without gpiolib support, we run into a couple of compile errors in ov7740, including: drivers/media/i2c/ov7740.c: In function 'ov7740_set_power': drivers/media/i2c/ov7740.c:307:4: error: implicit declaration of function 'gpiod_direction_output'; did you mean 'gpio_direction_output'? [-Werror=implicit-function-declaration] gpiod_direction_output(ov7740->pwdn_gpio, 0); drivers/media/i2c/ov7740.c:914:4: error: 'GPIOD_OUT_HIGH' undeclared (first use in this function); did you mean 'GPIOF_INIT_HIGH'? Changing it to use the correct header file solves the problem. Fixes: 39c5c4471b8d ("media: i2c: Add the ov7740 image sensor driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: entity: Add a nop variant of media_entity_cleanupSakari Ailus7-21/+5
Add nop variant of media_entity_cleanup. This allows calling media_entity_cleanup whether or not Media controller is enabled, simplifying driver code. Also drop #ifdefs on a few drivers around media_entity_cleanup(). Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: ov5640: fix spurious streamon failuresHugues Fruchet1-0/+1
Time to time, stream on is failing with a strange positive error. Error code is returned erroneously by ov5640_set_ctrl_exposure() due to ov5640_get_vts() return value wrongly treated as error. Fix this by forcing ret to 0 after ov5640_get_vts() success call, in order that ret is set to success for rest of code sequence. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: intel-ipu3: cio2: fixup off-by-one bug in cio2_vb2_buf_initYong Zhi1-3/+2
With "pages" initialized to vb length + 1 pages, the condition check if(!pages--) will break at one more page than intended, this can result in out-of-bound access to b->lop[i][j] when setting the last dummy page. Fixes: c7cbef1fdb54 ("media: intel-ipu3: cio2: fix a crash with out-of-bounds access") Signed-off-by: Yong Zhi <yong.zhi@intel.com> Signed-off-by: Cao Bing Bu <bingbu.cao@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: intel-ipu3: cio2: mark more PM functions as __maybe_unusedArnd Bergmann1-2/+2
My earlier patch missed two functions, these must be __maybe_unused as well: drivers/media/pci/intel/ipu3/ipu3-cio2.c:1867:12: error: 'cio2_runtime_resume' defined but not used [-Werror=unused-function] drivers/media/pci/intel/ipu3/ipu3-cio2.c:1849:12: error: 'cio2_runtime_suspend' defined but not used [-Werror=unused-function] Fixes: 2086dd35705f ("media: intel-ipu3: cio2: mark PM functions as __maybe_unused") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: drivers/media/common/videobuf2: rename from videobufHans Verkuil11-2/+2
This directory contains the videobuf2 framework, so name the directory accordingly. The name 'videobuf' typically refers to the old and deprecated videobuf version 1 framework so that was confusing. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: cobalt: select CONFIG_SND_PCMArnd Bergmann1-0/+1
The cobalt sound driver has a dependency on ALSA, but not on the PCM helper code, so this can lead to an extremely rare link error in randconfig builds: ERROR: "snd_pcm_period_elapsed" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "_snd_pcm_stream_lock_irqsave" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "snd_pcm_hw_constraint_integer" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "snd_pcm_set_ops" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "snd_pcm_stream_unlock_irqrestore" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "snd_pcm_lib_ioctl" [drivers/media/pci/cobalt/cobalt.ko] undefined! ERROR: "snd_pcm_new" [drivers/media/pci/cobalt/cobalt.ko] undefined! The other audio drivers select 'SND_PCM' for this, so let's do the same. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: staging: tegra-vde: select DMA_SHARED_BUFFERArnd Bergmann1-0/+1
Without CONFIG_DMA_SHARED_BUFFER we run into a link error for the dma_buf_* APIs: ERROR: "dma_buf_map_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_attach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_get" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_put" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_detach" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! ERROR: "dma_buf_unmap_attachment" [drivers/staging/media/tegra-vde/tegra-vde.ko] undefined! Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: dt-bindings/media/cec-gpio.txt: mention the CEC/HPD max voltagesHans Verkuil1-1/+5
Mention the maximum voltages of the CEC and HPD lines. Since in the example these lines are connected to a Raspberry Pi and the Rpi GPIO lines are 3.3V it is a good idea to warn against directly connecting the HPD to the Raspberry Pi's GPIO line. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Rob Herring <robh@kernel.org> Cc: <stable@vger.kernel.org> # for v4.15 Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: dw9714: annotate a __be16 integer valueMauro Carvalho Chehab1-1/+1
As warned: drivers/media/i2c/dw9714.c: warning: incorrect type in initializer (different base types): => 64:19 Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: dw9714: Remove client field in driver's structSakari Ailus1-14/+5
The client field in driver's struct is redundant. Remove it. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Rajmohan Mani <rajmohan.mani@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: dw9714: Call pm_runtime_idle() at the end of probe()Sakari Ailus1-0/+1
Call pm_runtime_idle() at the end of the driver's probe() function to enable the device to reach low power state once probe() finishes. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Rajmohan Mani <rajmohan.mani@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: rc: do not remove first bit if leader pulse is presentSean Young4-10/+12
The rc5 protocol does not have a leading pulse or space, but we encode the first bit using a single leading pulse. For other protocols, the leading pulse or space does not represent any bit. So, don't remove the first bit if a leading pulse is present. Cc: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: rc: clean up leader pulse/space for manchester encodingSean Young5-44/+24
The IR rc6 encoder sends the header using manchester encoding using 0 bits, which causes the following: UBSAN: Undefined behaviour in drivers/media/rc/rc-ir-raw.c:247:6 shift exponent 4294967295 is too large for 64-bit type 'long long unsigned int' So, allow the leader code to send a pulse and space and remove the unused pulse_space_start field. Cc: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: lirc: lirc mode ioctls deal with current modeSean Young2-18/+62
The ioctl change the current mode or return the current mode; they do not tell you which modes are possible (use the lirc features ioctl for that). Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: lirc: lirc daemon fails to detect raw IR deviceSean Young2-15/+13
Since commit 9b6192589be7 ("media: lirc: implement scancode sending"), and commit de142c324106 ("media: lirc: implement reading scancode") the lirc features ioctl for raw IR devices advertises two modes for sending and receiving. The lirc daemon now fails to detect a raw IR device, both for transmit and receive. To fix this, do not advertise the scancode mode in the lirc features for raw IR devices (however do keep it for scancode devices). The mode can still be used via the LIRC_SET_{REC,SEND}_MODE ioctl. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: lirc: add module alias for lirc_devSean Young1-0/+2
Since commit a60d64b15c20 ("media: lirc: lirc interface should not be a raw decoder"), there is no lirc_dev module any more. On Ubuntu 16.10, the /etc/init.d/lirc startup script attempts to load the lirc_dev module. Since this module does not exist any more, this script fails. Add an alias so the correct module is loaded. Fixes: a60d64b15c20 ("media: lirc: lirc interface should not be a raw decoder") Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23media: lirc: don't kfree the uninitialized pointer txbufColin Ian King1-2/+3
The current error exit path if ir_raw_encode_scancode fails is via the label out_kfree which kfree's an uninitialized pointer txbuf. Fix this by exiting via a new exit path that does not kfree txbuf. Also exit via this new exit path for a failed allocation of txbuf to avoid a redundant kfree on a NULL pointer (to save a bunch of CPU cycles). Detected by: CoverityScan, CID#1463070 ("Uninitialized pointer read") Fixes: f81a8158d4fb ("media: lirc: release lock before sleep") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: ov5640: add support of RGB565 and YUYV formatsHugues Fruchet1-7/+67
Add RGB565 (LE & BE) and YUV422 YUYV format in addition to existing YUV422 UYVY format. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: ov5640: add support of DVP parallel interfaceHugues Fruchet1-18/+130
Add support of DVP parallel mode in addition of existing MIPI CSI mode. The choice between two modes and configuration is made through device tree. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: dt-bindings: ov5640: refine CSI-2 and add parallel interfaceHugues Fruchet1-2/+44
Refine CSI-2 endpoint documentation and add bindings for DVP parallel interface support. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: ov5640: check chip idHugues Fruchet1-16/+79
Verify that chip identifier is correct when probing. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: ov5640: switch to gpiod_set_value_cansleep()Hugues Fruchet1-4/+4
Switch gpiod_set_value to gpiod_set_value_cansleep to avoid warnings when powering sensor. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: mt9m111: add V4L2_CID_TEST_PATTERN controlAkinobu Mita1-0/+27
The mt9m111 has the test pattern generator features. This makes use of it through V4L2_CID_TEST_PATTERN control. Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: mt9m111: document missing required clocks propertyAkinobu Mita1-0/+4
The mt9m111 driver requires clocks property for the master clock to the sensor, but there is no description for that. This adds it. Cc: Rob Herring <robh@kernel.org> Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: mt9m111: add media controller supportAkinobu Mita1-2/+20
Create a source pad and set the media controller type to the sensor. Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: mt9m111: create subdevice device nodeAkinobu Mita1-0/+2
Set the V4L2_SUBDEV_FL_HAS_DEVNODE flag for the subdevice so that the subdevice device node is created. Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-05media: i2c: Add the ov7740 image sensor driverWenyou Yang4-0/+1233
The ov7740 (color) image sensor is a high performance VGA CMOS image snesor, which supports for output formats: RAW RGB and YUV and image sizes: VGA, and QVGA, CIF and any size smaller. Signed-off-by: Songjun Wu <songjun.wu@microchip.com> Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>