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In cases like this when controlling regulators and clocks the suspend()
and resume() functions are meant to be called balanced toggling the behaviour.
It's wrong to use the same suspend function for runtime and system suspend
in this case and leads to errors like
[ 77.718890] Failed to disable vddd: -EIO
Use pm_runtime_force_* helpers in order to support system suspend properly
when runtime pm is already implemented and fix this.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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regulator_bulk_disable can fail and thus suspend() can. Handle that error
gracefully.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Kao, Arec <arec.kao@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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Also do identification on the first access of the device, whether in probe
or when starting streaming.
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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If powering on the sensor failed, the entire power-off sequence was run
independently of how far the power-on sequence proceeded before the error.
This lead to disabling regulators and/or clock that was not enabled.
Fix this by disabling only clocks and regulators that were enabled
previously.
Fixes: 11c0d8fdccc5 ("media: i2c: Add support for the OV8865 image sensor")
Cc: stable@vger.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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Hyungwoo's e-mail no longer works so I presume he's left the company. Drop
Hyungwoo as maintainer on ov5670 driver and remove his e-mail from other
sensor drivers.
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 dev_err_probe() helper, instead of open-coding the same
operation. While at it retrieve the error once and use it from
'ret' instead of retrieving it twice.
Link: https://lore.kernel.org/linux-media/20211208121756.3051565-1-niklas.soderlund+renesas@ragnatech.se
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Niklas S\xF6derlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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GPIO library does copy the of_node from the parent device of
the GPIO chip, there is no need to repeat this in the individual
drivers. Remove assignment here.
For the details one may look into the of_gpio_dev_init() implementation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.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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Linux 5.16-rc4
* tag 'v5.16-rc4': (984 commits)
Linux 5.16-rc4
KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure
KVM: SEV: Fall back to vmalloc for SEV-ES scratch area if necessary
KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails
parisc: Mark cr16 CPU clocksource unstable on all SMP machines
parisc: Fix "make install" on newer debian releases
sched/uclamp: Fix rq->uclamp_max not set on first enqueue
preempt/dynamic: Fix setup_preempt_mode() return value
cifs: avoid use of dstaddr as key for fscache client cookie
cifs: add server conn_id to fscache client cookie
cifs: wait for tcon resource_id before getting fscache super
cifs: fix missed refcounting of ipc tcon
x86/xen: Add xenpv_restore_regs_and_return_to_usermode()
x86/entry: Use the correct fence macro after swapgs in kernel CR3
fget: check that the fd still exists after getting a ref to it
x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry()
x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword
powercap: DTPM: Drop unused local variable from init_dtpm()
io-wq: don't retry task_work creation failure on fatal conditions
serial: 8250_bcm7271: UART errors after resuming from S2
...
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A driver with a remove callback that just returns 0 behaves identically
to a driver with no remove callback at all. So simplify accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Implement fwnode parsing at probe time.
Check if the bus and number of lanes are supported.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.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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Simplify probe function by adding a local variable dev instead of using
&client->dev all the time.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
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 maximum gain figure in the v4l2 ctrl is wrong. The field is 12 bits
wide, which is where the 8191 figure comes from, but the datasheet is
specific that maximum gain is 16x (the low seven bits are fractional, so
16x gain is 2048)
Signed-off-by: Daniel Scally <djrscally@gmail.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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There is a chance that regulator_get() returns -EPROBE_DEFER, in which
case printing an error message is undesirable. To avoid spurious messages
in dmesg in the event that -EPROBE_DEFER is returned, use dev_err_probe()
on error paths for regulator_get().
Signed-off-by: Daniel Scally <djrscally@gmail.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 ov8865 driver currently has the unit of the V4L2_CID_EXPOSURE control
as 1/16th of a line. This is what the sensor expects, but isn't very
intuitive. Switch the control to be in units of a line and simply do the
16x multiplication before passing the value to the sensor.
The datasheet for this sensor gives minimum exposure as 2 lines, so take
the opportunity to correct the lower bounds of the control.
Signed-off-by: Daniel Scally <djrscally@gmail.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 V4L2_CID_CAMERA_ORIENTATION and V4L2_CID_CAMERA_SENSOR_ROTATION
controls to the ov8865 driver by attempting to parse them from firmware.
Signed-off-by: Daniel Scally <djrscally@gmail.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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Exposure limits depend on the total height; when vblank is altered (and
thus the total height is altered), change the exposure limits to reflect
the new cap.
Signed-off-by: Daniel Scally <djrscally@gmail.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 HTS values for some of the modes in the ov8865 driver are a bit
unusual, coming in lower than the output_size_x is set to. It seems
like they might be calculated to fit the desired framerate into a
configuration with just two data lanes. To bring this more in line
with expected behaviour, raise the HTS values above the output_size_x.
The corollary of that change is that the hardcoded frame intervals
against the modes no longer make sense, so remove those entirely.
Update the .g/s_frame_interval() callbacks to calculate the frame
interval based on the current mode and the vblank and hblank settings.
The implementation of the .enum_frame_interval() callback is no longer
suitable since the possible frame rate is now a continuous range depending
on the vblank control setting, so remove that callback entirely.
Signed-off-by: Daniel Scally <djrscally@gmail.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_CID_HBLANK control to the ov8865 driver. This is read only
with timing control intended to be done via vblanking alone.
Signed-off-by: Daniel Scally <djrscally@gmail.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_CID_VBLANK control to the ov8865 driver.
Signed-off-by: Daniel Scally <djrscally@gmail.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 V4L2_CID_GAIN control for this driver configures registers that
the datasheet specifies as analogue gain. Switch the control's ID
to V4L2_CID_ANALOGUE_GAIN.
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Daniel Scally <djrscally@gmail.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 ov8865 driver's v4l2_subdev_pad_ops currently does not include
.get_selection() - add support for that callback.
Signed-off-by: Daniel Scally <djrscally@gmail.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 ov8865 driver as written expects a 24MHz input clock, but the sensor
is sometimes found on x86 platforms with a 19.2MHz input clock supplied.
Add a set of PLL configurations to the driver to support that rate too.
As ACPI doesn't auto-configure the clock rate, check for a clock-frequency
during probe and set that rate if one is found.
Signed-off-by: Daniel Scally <djrscally@gmail.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 ov8865 driver is one of those that can be connected to a CIO2
device by the cio2-bridge code. This means that the absence of an
endpoint for this device is not necessarily fatal, as one might be
built by the cio2-bridge when it probes. Return -EPROBE_DEFER if no
endpoint is found rather than a fatal error.
Signed-off-by: Daniel Scally <djrscally@gmail.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 PLL configuration defined here sets 72MHz (which is correct), not
80MHz. Correct the comment.
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Daniel Scally <djrscally@gmail.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 ov8865 sensor is sometimes found on x86 platforms enumerated via ACPI.
Add an ACPI match table to the driver so that it's probed on those
platforms.
Signed-off-by: Daniel Scally <djrscally@gmail.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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ov8865_state_init() calls ov8865_state_mipi_configure() which uses
__v4l2_ctrl_s_ctrl[_int64](). This means that sensor->mutex (which
is also sensor->ctrls.handler.lock) must be locked before calling
ov8865_state_init().
Note ov8865_state_mipi_configure() is also used in other places where
the lock is already held so it cannot be changed itself.
This fixes the following lockdep kernel WARN:
[ 13.233421] WARNING: CPU: 0 PID: 8 at drivers/media/v4l2-core/v4l2-ctrls-api.c:833 __v4l2_ctrl_s_ctrl+0x4d/0x60 [videodev]
...
[ 13.234063] Call Trace:
[ 13.234074] ov8865_state_configure+0x98b/0xc00 [ov8865]
[ 13.234095] ov8865_probe+0x4b1/0x54c [ov8865]
[ 13.234117] i2c_device_probe+0x13c/0x2d0
Fixes: 11c0d8fdccc5 ("media: i2c: Add support for the OV8865 image sensor")
Signed-off-by: Hans de Goede <hdegoede@redhat.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 kerneldoc for pm_runtime_set_suspended() says:
"It is not valid to call this function for devices with runtime PM
enabled"
To satisfy that requirement, re-order the calls so that
pm_runtime_enable() is the last one.
Fixes: 11c0d8fdccc5 ("media: i2c: Add support for the OV8865 image sensor")
Signed-off-by: Daniel Scally <djrscally@gmail.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 OV5693 is a 5 Mpx CMOS image sensor, connected via MIPI CSI-2. The
chip is capable of a single lane configuration, but currently only two
lanes are supported.
Most of the sensor's features are supported, with the main exception
being the lens correction algorithm.
The driver provides all mandatory, optional and recommended V4L2 controls
for maximum compatibility with libcamera.
[mchehab: fixed a coding style warning]
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.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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Current driver supports only SRGGB 10 bit RAW bayer format.
Add the enum_mbus_code implementation to report this format supported.
# v4l2-ctl -d /dev/v4l-subdev3 --list-subdev-mbus-codes
ioctl: VIDIOC_SUBDEV_ENUM_MBUS_CODE (pad=0)
0x300f: MEDIA_BUS_FMT_SRGGB10_1X10
#
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.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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Fix typo obainted/obtained.
Fixes: 0985dd306f72 ("media: imx274: V4l2 driver for Sony imx274 CMOS sensor")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.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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Fix typo expsoure/exposure
Fixes: 0985dd306f72 ("media: imx274: V4l2 driver for Sony imx274 CMOS sensor")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.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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pm_runtime_resume_and_get should be called when the s_frame_interval
is called.
The driver will try to access device registers to configure VMAX, coarse
time and exposure.
Currently if the runtime is not resumed, this fails:
# media-ctl -d /dev/media0 --set-v4l2 '"IMX274 1-001a":0[fmt:SRGGB10_1X10/3840x2
160@1/10]'
IMX274 1-001a: imx274_binning_goodness: ask 3840x2160, size 3840x2160, goodness 0
IMX274 1-001a: imx274_binning_goodness: ask 3840x2160, size 1920x1080, goodness -3000
IMX274 1-001a: imx274_binning_goodness: ask 3840x2160, size 1280x720, goodness -4000
IMX274 1-001a: imx274_binning_goodness: ask 3840x2160, size 1280x540, goodness -4180
IMX274 1-001a: __imx274_change_compose: selected 1x1 binning
IMX274 1-001a: imx274_set_frame_interval: input frame interval = 1 / 10
IMX274 1-001a: imx274_read_mbreg : addr 0x300e, val=0x1 (2 bytes)
IMX274 1-001a: imx274_set_frame_interval : register SVR = 1
IMX274 1-001a: imx274_read_mbreg : addr 0x30f6, val=0x6a8 (2 bytes)
IMX274 1-001a: imx274_set_frame_interval : register HMAX = 1704
IMX274 1-001a: imx274_set_frame_length : input length = 2112
IMX274 1-001a: imx274_write_mbreg : i2c bulk write failed, 30f8 = 884 (3 bytes)
IMX274 1-001a: imx274_set_frame_length error = -121
IMX274 1-001a: imx274_set_frame_interval error = -121
Unable to setup formats: Remote I/O error (121)
The device is not resumed thus the remote I/O error.
Setting the frame interval works at streaming time, because
pm_runtime_resume_and_get is called at s_stream time before sensor setup.
The failure happens when only the s_frame_interval is called separately
independently on streaming time.
Fixes: ad97bc37426c ("media: i2c: imx274: Add IMX274 power on and off sequence")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.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 MAX9286 has not explicitly declared a dependency upon VIDEO_V4L2.
While this dependency has likely always been met by configurations
including it, the device does use V4L2 core, and should depend upon it.
Add VIDEO_V4L2 as a dependency to match other drivers and prevent
failures when compile testing.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.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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Such function is currently unused, but could be needed in the
future. So, keep it, marking it as __always_unused, in order to
avoid a clang W=1 error.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those are aliases for another function and not used at the
current implementation. So, just drop it.
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are several unused helper macros there, meant to parse some
fields. As those actually help to document the hardware, the
better is to keep them.
However, it generates clang warnings with W=1, causing build to
break with CONFIG_WERROR.
So, add __always_unused to fix such warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those functions just call a V4L2 core macro, and aren't used
anywhere. Get rid of them, in order to avoid clang warnings with
W=1.
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Solve some clang warnings about unused functions by dropping
some time-conversion inline funcs that aren't used anywhere.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Pull media fixes from Mauro Carvalho Chehab:
- fix VIDIOC_DQEVENT ioctl handling for 32-bit userspace with a 64-bit
kernel
- regression fix for videobuf2 core
- fix for CEC core when handling non-block transmit
- hi846: fix a clang warning
* tag 'media/v5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: hi846: remove the of_match_ptr macro
media: hi846: include property.h instead of of_graph.h
media: cec: copy sequence field for the reply
media: videobuf2-dma-sg: Fix buf->vb NULL pointer dereference
media: v4l2-core: fix VIDIOC_DQEVENT handling on non-x86
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Similar to other drivers, this should fix a Clang compilar warning when
building without CONFIG_OF in which case of_match_ptr() is NULL and
the const struct we would use otherwise is unused.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reported-by: kernel test robot <lkp@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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Include the more portable property.h instead of the OF specific of_graph.h
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When dw9768 working with ACPI systems, the dw9768 was turned
by i2c-core during probe, driver need activate the PM runtime
and ask runtime PM to turn off the device.
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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show() should not use snprintf() when formatting the value to be
returned to user space.
Fix the following coccicheck warning:
drivers/media/i2c/ccs/ccs-core.c:3761: WARNING: use scnprintf or sprintf.
Signed-off-by: Qing Wang <wangqing@vivo.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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Tell ACPI device PM code that the driver supports the device being in
non-zero ACPI D state when the driver's probe function is entered.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ADV7610 is another HDMI receiver chip, very similar to
the ADV7611.
Also: print chip names in upper case.
Fix an error message claiming that no ADV761x has been found,
while in reality a chip different than requested (though still
supported) may have been found.
Tested on TinyRex BaseBoard Lite.
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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Martin Kepplinger
Bingbu Cao
Sakari Ailus
Niklas Söderlund
Andy Shevchenko
Mauro Carvalho Chehab
Uwe Kleine-König
Eugen Hristev
Daniel Scally
Hans de Goede
Kieran Bingham
Linus Torvalds
Qing Wang
Rajmohan Mani
Krzysztof Hałasa