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Linux 5.14-rc4
* tag 'v5.14-rc4': (948 commits)
Linux 5.14-rc4
pipe: make pipe writes always wake up readers
Revert "perf map: Fix dso->nsinfo refcounting"
mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook()
slub: fix unreclaimable slab stat for bulk free
mm/migrate: fix NR_ISOLATED corruption on 64-bit
mm: memcontrol: fix blocking rstat function called from atomic cgroup1 thresholding code
ocfs2: issue zeroout to EOF blocks
ocfs2: fix zero out valid data
lib/test_string.c: move string selftest in the Runtime Testing menu
gve: Update MAINTAINERS list
arch: Kconfig: clean up obsolete use of HAVE_IDE
can: esd_usb2: fix memory leak
can: ems_usb: fix memory leak
can: usb_8dev: fix memory leak
can: mcba_usb_start(): add missing urb->transfer_dma initialization
can: hi311x: fix a signedness bug in hi3110_cmd()
MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver
scsi: fas216: Fix fall-through warning for Clang
scsi: acornscsi: Fix fall-through warning for clang
...
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control
Add support for V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM control for
H264 high profile and constrained high profile.
Signed-off-by: Mansur Alisha Shaik <mansur@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add support for intra-refresh period v4l2 control and drop
cyclic intra-refresh macroblock control in the same time.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add a control to set intra-refresh period.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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In all drivers _CYCLIC_INTRA_REFRESH_MB default control value is zero
which means that the macroblocks will not be intra-refreshed. Document
this _CYCLIC_INTRA_REFRESH_MB control behaviour in control description.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Plane constraints firmware interface is to override the default
alignment for a given color format. By default venus hardware has
alignments as 128x32, but NV12 was defined differently to meet
various usecases. Compressed NV12 has always been aligned as 128x32,
hence not needed to override the default alignment.
Fixes: bc28936bbba9 ("media: venus: helpers, hfi, vdec: Set actual plane constraints to FW")
Signed-off-by: Mansur Alisha Shaik <mansur@codeaurora.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Currently the call to find_format can potentially return a NULL to
fmt and the nullpointer is later dereferenced on the assignment of
pixmp->num_planes = fmt->num_planes. Fix this by adding a NULL pointer
check and returning NULL for the failure case.
Addresses-Coverity: ("Dereference null return")
Fixes: aaaa93eda64b ("[media] media: venus: venc: add video encoder files")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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In case of error, the function qcom_smem_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Fixes: d566e78dd6af ("media: venus : hfi: add venus image info into smem")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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tegra_cec_probe() and tegra_cec_resume() ignored possible errors of
clk_prepare_enable(). The patch fixes this.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The cec pin timer overruns are measured in microseconds, but the variable
names include the millisecond symbol "ms". To avoid confusion, replace
"ms" with "us" in the variable names and printed status message.
Signed-off-by: Deborah Brouwer <deborahbrouwer3563@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The TD1997x chip retains vper, hper and hsper register values when the
HDMI source is disconnected. Use a different means of checking if the
link is still valid.
Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Correctly propagate the tda1997x_detect_std error value.
Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The colon isn't followed by anything here.
Signed-off-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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These for-loops should test against v4l2_dv_timings_presets[i].bt.width,
not if i < v4l2_dv_timings_presets[i].bt.width. Luckily nothing ever broke,
since the smallest width is still a lot higher than the total number of
presets, but it is wrong.
The last item in the presets array is all 0, so the for-loop must stop
when it reaches that sentinel.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add a driver to support the i.MX8MQ MIPI CSI receiver. The hardware side
is based on
https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/media/platform/imx8/mxc-mipi-csi2_yav.c?h=imx_5.4.70_2.3.0
It's built as part of VIDEO_IMX7_CSI because that's documented to support
i.MX8M platforms. This driver adds i.MX8MQ support where currently only the
i.MX8MM platform has been supported.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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and controller
The i.MX8MQ SoC integrates a different MIPI CSI receiver as the i.MX8MM so
describe the DT bindings for it.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Static analysis reports this false positive
imx7-mipi-csis.c:1027:2: warning: 4th function call argument is
an uninitialized value
The variable 'align' is falsely reported as uninitialized.
Even though all the cases are covered in the
switch (csis_fmt->width % 8) {
Because there is no default case, it is reported as uninialized.
Improve the switch by converting the most numerous set of cases
to the default and silence the false positive.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When the stream fails to start, the first two buffers in the queue have
been moved to the active_vb2_buf array and are returned to vb2 by
imx7_csi_dma_unsetup_vb2_buf(). The function is called with the buffer
state set to VB2_BUF_STATE_ERROR unconditionally, which is correct when
stopping the stream, but not when the start operation fails. In that
case, the state should be set to VB2_BUF_STATE_QUEUED. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The PIXEL_BIT field of the CSICR1 register is documented as setting the
Bayer data width to 10 bits, and is set by the driver for all non-YUV
pixel formats. Test code from NXP showed that the bit shouldn't be set
for Bayer formats, and this was confirmed by experimentation with RAW8
capture (which doesn't work when setting the field) and RAW10 capture
(for which setting the field doesn't seem to make a difference) on
i.MX8MM with an OV5640 sensor connected over CSI-2. Don't set it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Sample code from NXP, as well as experiments on i.MX8MM with RAW10
capture with an OV5640 sensor connected over CSI-2, showed that the
TWO_8BIT_SENSOR field of the CSICR3 register needs to be set for formats
larger than 8 bits. Do so, even if the reference manual doesn't clearly
describe the effect of the field.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The i.MX8MM integrates a CSI bridge IP core, as the i.MX7. There seems
to be no difference between the two SoCs according to the reference
manual, but as documentation may not be accurate, add a compatible
string for the i.MX8MM, with a fallback on the compatible i.MX7.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The range for analog gain mentioned in the datasheet is [0, 480].
The real gain formula mentioned in the datasheet is:
Gain = 512 / (512 – X)
Hence, values larger than 511 clearly makes no sense. The gain
register field is also documented to be of 9-bits in the datasheet.
Certainly, it is enough to infer that, the kernel driver currently
advertises an arbitrary analog gain max. Fix it by rectifying the
value as per the data sheet i.e. 480.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The frame_length_lines (0x0340) registers are hard-coded as follows:
- 4208x3118
frame_length_lines = 0x0c50
- 2104x1560
frame_length_lines = 0x0638
- 1048x780
frame_length_lines = 0x034c
The driver exposes the V4L2_CID_VBLANK control in read-only mode and
sets its value to vts_def - height, where vts_def is a mode-dependent
value coming from the supported_modes array. It is set using one of
the following macros defined in the driver:
#define IMX258_VTS_30FPS 0x0c98
#define IMX258_VTS_30FPS_2K 0x0638
#define IMX258_VTS_30FPS_VGA 0x034c
There's a clear mismatch in the value for the full resolution mode i.e.
IMX258_VTS_30FPS. Fix it by rectifying the macro with the value set for
the frame_length_lines register as stated above.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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For ov8856 working with ACPI, it does not depend on the reset gpio
and regulator to do reset and power control, so should get the gpio
and regulator for non-ACPI cases only, otherwise it will break ov8856
with ACPI.
[Sakari Ailus: Wrap a line over 80 chars.]
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Tianshu Qiu <tian.shu.qiu@intel.com>
Cc: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As the RGB digital gains of ov9734 were not applied as group, some
artifacts were observed in low light environment, use group write for
digital gain can make the RGB digital can be guaranteed to applied
together at frame boundary.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As the RGB digital gains of ov2740 were not applied as group, some
artifacts were observed in low light environment, use group write for
digital gain can make the RGB digital can be guaranteed to applied
together at frame boundary.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Setting LED brightness may return an error but the return value was never
checked by the V4L2 flash LED class. Do it now.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The V4L2 flash API supports combinations of indicator and flash LEDs. Due
to this, there's a fair amount of code that deals with all the possible
options and just reading one part of the file doesn't really tell which
combinations are really possible.
Make the checks more explicit to keep static analysers happy and to make
the code more resilient to future mishaps.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use the pre_streamon callback to transition the transmitter to either
LP-11 or LP-111 mode if supported by the sensor.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add pre_streamon and post_streamoff callbacks that can be used to set a
CSI-2 transmitter to LP-11 or LP-111 mode. This can be used by receiver
drivers to reliably initialise the receiver when its initialisation
requires software involvement.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Rework LP-11 and LP-111 mode documentation to make it more understandable
and useful. This involves adding pre_streamon and post_streamon callbacks
that make it possible to explicitly transition the transmitter to either
mode.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Improve the documentation of the frame rate configuration so that it can
be understood by a regular human being.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The V4L2_CID_PIXEL_RATE is nowadays used to tell pixel sampling rate in
the sub-device's pixel array, not the pixel rate over a link (for which it
also becomes unfit with the addition of multiplexed streams later on). Fix
this.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Fix kerneldoc syntax in v4l2-async. The references were not produced
correctly.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Modernise the documentation to make it more precise and update the use of
pixel rate control and various other changes. In particular:
- Use non-proportional font for file names, properties as well as
controls.
- The unit of the HBLANK control is pixels, not lines.
- The unit of PIXEL_RATE control is pixels per second, not Hz.
- Merge common requirements for CSI-2 and parallel busses.
- Include all DT properties needed for assigned clocks.
- Fix referencing the link rate control.
- SMIA driver's new name is CCS driver.
- The PIXEL_RATE control denotes pixel rate on the pixel array on camera
sensors. Do not suggest it is used to tell the maximum pixel rate on the
bus anymore.
- Improve ReST syntax (plain struct and function names).
- Remove the suggestion to use s_power() in receiver drivers.
- Make MIPI website URL use HTTPS, add Wikipedia links to BT.601 and
BT.656.
Fixes: e4cf8c58af75 ("media: Documentation: media: Document how to write camera sensor drivers")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add the missing unlock before return from function
isp_subdev_notifier_complete() in the init error
handling case.
Fixes: ba689d933361 ("media: omap3isp: Acquire graph mutex for graph traversal")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use DEVICE_ATTR_RW() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the names of the read and write functions of the sysfs attribute is
normalized, there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use DEVICE_ATTR_RO() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the name of the read function of the sysfs attribute is normalized,
there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use DEVICE_ATTR_RO() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the name of the read function of the sysfs attribute is normalized,
there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Use DEVICE_ATTR_RO() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the name of the read function of the sysfs attribute is normalized,
there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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According to media bus pixel codes definition, data formats on serial
busses should be described with one bus sample per pixel.
Documentation/userspace-api/media/v4l/subdev-formats.rst states:
"The media bus pixel codes document parallel formats. Should the pixel
data be transported over a serial bus, the media bus pixel code that
describes a parallel format that transfers a sample on a single clock
cycle is used. For instance, both MEDIA_BUS_FMT_BGR888_1X24 and
MEDIA_BUS_FMT_BGR888_3X8 are used on parallel busses for transferring an
8 bits per sample BGR data, whereas on serial busses the data in this
format is only referred to using MEDIA_BUS_FMT_BGR888_1X24. This is
because there is effectively only a single way to transport that
format on the serial busses."
Some MIPI CSI receivers strictly obey this definition and declare
support for only *1X_* formats.
Hence, complement the supported media bus formats with their 1X16 versions
(currently applicable to yuyv, uyvy) to enhance interoperability with CSI
receivers.
Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add a v4l2 sub-device driver for the OmniVisison ov9282
black&white image sensor.
The camera sensor uses the i2c bus for control and the
csi-2 bus for data.
The following features are supported:
- manual exposure and analog gain control support
- vblank/hblank/pixel rate/link freq control support
- supported resolution:
- 1280x720 @ 30fps
[Sakari Ailus: Rebase on commit c802a4174beeb25cb539c806c9d0d3c0f61dfa53.]
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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- Add dt-bindings documentation for OmniVision ov9282 sensor driver
- Add MAINTAINERS entry for OmniVision ov9282 binding documentation
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add a v4l2 sub-device driver for the Sony imx412 image sensor.
This is a camera sensor using the i2c bus for control and the
csi-2 bus for data.
The following features are supported:
- manual exposure and analog gain control support
- vblank/hblank/pixel rate/link freq control support
- supported resolution:
- 4056x3040 @ 30fps
- supported bayer order output:
- SRGGB10
[Sakari Ailus: Rebase on commit c802a4174beeb25cb539c806c9d0d3c0f61dfa53.]
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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- Add dt-bindings documentation for Sony imx412 sensor driver
- Add MAINTAINERS entry for Sony imx412 binding documentation
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add a v4l2 sub-device driver for the Sony imx335 image sensor.
ThE camera sensor uses the i2c bus for control and the csi-2
bus for data.
The following features are supported:
- manual exposure and analog gain control support
- vblank/hblank/pixel rate/link freq control support
- supported resolution:
- 2592x1940 @ 30fps
- supported bayer order output:
- SRGGB12
[Sakari Ailus: Rebase on commit c802a4174beeb25cb539c806c9d0d3c0f61dfa53.]
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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- Add dt-bindings documentation for Sony imx335 sensor driver
- Add MAINTAINERS entry for Sony imx335 binding documentation
Signed-off-by: Martina Krasteva <martinax.krasteva@intel.com>
Acked-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Acked-by: Paul J. Murphy <paul.j.murphy@intel.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Fix the name of the function that registers the subdev_notifier member
of the v4l2_subdev structure.
[Sakari Ailus: Drop _sensor from the function name.]
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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If em28xx_ir_init fails, it would decrease the refcount of dev. However,
in the em28xx_ir_fini, when ir is NULL, it goes to ref_put and decrease
the refcount of dev. This will lead to a refcount bug.
Fix this bug by removing the kref_put in the error handling code
of em28xx_ir_init.
refcount_t: underflow; use-after-free.
WARNING: CPU: 0 PID: 7 at lib/refcount.c:28 refcount_warn_saturate+0x18e/0x1a0 lib/refcount.c:28
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.13.0 #3
Workqueue: usb_hub_wq hub_event
RIP: 0010:refcount_warn_saturate+0x18e/0x1a0 lib/refcount.c:28
Call Trace:
kref_put.constprop.0+0x60/0x85 include/linux/kref.h:69
em28xx_usb_disconnect.cold+0xd7/0xdc drivers/media/usb/em28xx/em28xx-cards.c:4150
usb_unbind_interface+0xbf/0x3a0 drivers/usb/core/driver.c:458
__device_release_driver drivers/base/dd.c:1201 [inline]
device_release_driver_internal+0x22a/0x230 drivers/base/dd.c:1232
bus_remove_device+0x108/0x160 drivers/base/bus.c:529
device_del+0x1fe/0x510 drivers/base/core.c:3540
usb_disable_device+0xd1/0x1d0 drivers/usb/core/message.c:1419
usb_disconnect+0x109/0x330 drivers/usb/core/hub.c:2221
hub_port_connect drivers/usb/core/hub.c:5151 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
port_event drivers/usb/core/hub.c:5586 [inline]
hub_event+0xf81/0x1d40 drivers/usb/core/hub.c:5668
process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
process_scheduled_works kernel/workqueue.c:2338 [inline]
worker_thread+0x333/0x5b0 kernel/workqueue.c:2424
kthread+0x188/0x1d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Reported-by: Dongliang Mu <mudongliangabcd@gmail.com>
Fixes: ac5688637144 ("media: em28xx: Fix possible memory leak of em28xx struct")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This patch adds the driver for Amlogic Meson IR transmitter.
Some Amlogic SoCs such as A311D and T950D4 have IR transmitter
(also called blaster) controller onboard. It is capable of sending
IR signals with arbitrary carrier frequency and duty cycle.
The driver supports 2 modulation clock sources:
- xtal3 clock (xtal divided by 3)
- 1us clock
Signed-off-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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