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The macro p_to_snd_ivtv_card() is just a variant for container_of(),
not actually used inside the code. So, drop it.
This address a clang warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This function is defined twice, one at cx25821-i2c and the other
inside cx25821-core. It turns that only the first
is actually used inside the code.
This causes a clang warning.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Provide code common to vp9 drivers in one central location.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add the VP9 stateless decoder controls plus the documentation that goes
with it.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Co-developed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Co-developed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The pointer 'mem' was initialized to 'fw->data' but immediately after
that it was assigned 'fw->data + 10'. Lets remove the extra assignement
and initialize the pointer to the address its going to use.
Link: https://lore.kernel.org/linux-media/20210416235336.1552102-1-sudipm.mukherjee@gmail.com
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
At connection time (or boot) in si2168_probe(), the firmware is not
loaded to the device and the device is not fully activated. It is
not useful or sensible to do this full initialization on resume in
case it has not been previously initialized and is expected to be
in this initialized state.
Calling si2168_init() and therefore reading the firmware file for
the first time during resume leads to problems and should be avoided.
It is however safe to read the firmware file once it has already been
read outside of a suspend/resume situation.
Add a staus flag 'initialized' to store whether si2168_init() has
successfully been called. If initialization fails (e.g. due to missing
firmware file), the flag is not set.
Register a separate si2168_resume callback which only calls
si2168_init() once the 'initialized' flag has been set and it is safe
to load the firmware at resume.
The first call to si2168_init() will now always happen when the device
is actually used for the first time and never during resume.
This avoids the unsafe firmware file reading and should also speed up
resume by skipping unnecessary device initialization.
Link: https://lore.kernel.org/linux-media/20210418001204.7453-3-kernel@tuxforce.de
[mchehab: fix several Coding Style issues]
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Lukas Middendorf <kernel@tuxforce.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The si2168 B40 firmware file name has been changed in or before 2014.
During initialization, the new file name is preferred, but the old file
name is used as a fallback when request_firmware with the new file name
fails. Once reading the old file name has been attempted, only this name
will be used on further firmware loading attempts. During resume,
firmware reading with the new file name can (and likely will) fail even
when it actually exists. So this permanent switch to the fallback
firmware name happens even when not desired.
Any system using a recent kernel version can be expected to have the
firmware under the new name. The major distributions are either using
the dvb firmware collection from LibreELEC, which has the new firmware
file name, or do not package the firmware file but have documentation
pointing towards a manual installation of the firmware file under the
new name. If the firmware is available under the old name, it is
severely outdated. If the switch to the old file name is performed,
further firmware loading will either permanently fail (if it is not
available) or an outdated firmware version will be used.
Drop support for the fallback firmware file name and fail directly if
the firmware is not available under its current name. On following
attempts, the firmware read will then be retried with the correct
current name instead of the old name.
As reasoned above, there should be no negative effects of this change,
while simplifying code (the B40 variant will be handled identical
compared to the other variants of the si2168) and at the same time
fixing possible problems if firmware loading fails on resume.
Link: https://lore.kernel.org/linux-media/20210418161544.58858-1-kernel@tuxforce.de
Signed-off-by: Lukas Middendorf <kernel@tuxforce.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This fixes a problem where closing the tuner would leave it in a state
where it would not tune to any channel when reopened. This problem was
discovered as part of https://github.com/hselasky/webcamd/issues/16.
Since adap->id is 0 or 1, this bit-shift overflows, which is undefined
behavior. The driver still worked in practice as the overflow would in
most environments result in 0, which rendered the line a no-op. When
running the driver as part of webcamd however, the overflow could lead
to 0xff due to optimizations by the compiler, which would, in the end,
improperly shut down the tuner.
The bug is a regression introduced in the commit referenced below. The
present patch causes identical behavior to before that commit for
adap->id equal to 0 or 1. The driver does not contain support for
dib0700 devices with more adapters, assuming such even exist.
Tests have been performed with the Xbox One Digital TV Tuner on amd64.
Not all dib0700 devices are expected to be affected by the regression;
this code path is only taken by those with incorrect endpoint numbers.
Link: https://lore.kernel.org/linux-media/1d2fc36d94ced6f67c7cc21dcc469d5e5bdd8201.1632689033.git.mchehab+huawei@kernel.org
Cc: stable@vger.kernel.org
Fixes: 7757ddda6f4f ("[media] DiB0700: add function to change I2C-speed")
Signed-off-by: Michael Kuron <michael.kuron@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This looks like a typo. By manipulating the antenna on a device while
monitoring the reported SNR, I was able to see the unexpected jump.
After applying this patch, the spike was no longer present.
Link: https://lore.kernel.org/linux-media/20211003001805.735092-1-logans@cottsay.net
Signed-off-by: Scott K Logan <logans@cottsay.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While dvb_tuner_ops already has dedicated suspend and resume callbacks,
dvb_frontend_ops currently does not have them. Add those callbacks and
use them for suspend and resume. If they are not set, the old behavior
of calling sleep or init is used.
This allows dvb_frontend drivers to handle resume differently from init,
and suspend differently from sleep. No change is required for drivers
not needing this functionality.
Link: https://lore.kernel.org/linux-media/20210418001204.7453-2-kernel@tuxforce.de
Cc: Lukas Middendorf <kernel@tuxforce.de>, Antti Palosaari <crope@iki.fi>, Mauro Carvalho Chehab <mchehab@kernel.org>, Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Lukas Middendorf <kernel@tuxforce.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
I got a use-after-free report:
dvbdev: dvb_register_device: failed to create device dvb1.dvr0 (-12)
...
==================================================================
BUG: KASAN: use-after-free in dvb_dmxdev_release+0xce/0x2f0
...
Call Trace:
dump_stack_lvl+0x6c/0x8b
print_address_description.constprop.0+0x48/0x70
kasan_report.cold+0x82/0xdb
__asan_load4+0x6b/0x90
dvb_dmxdev_release+0xce/0x2f0
...
Allocated by task 7666:
kasan_save_stack+0x23/0x50
__kasan_kmalloc+0x83/0xa0
kmem_cache_alloc_trace+0x22e/0x470
dvb_register_device+0x12f/0x980
dvb_dmxdev_init+0x1f3/0x230
...
Freed by task 7666:
kasan_save_stack+0x23/0x50
kasan_set_track+0x20/0x30
kasan_set_free_info+0x24/0x40
__kasan_slab_free+0xf2/0x130
kfree+0xd1/0x5c0
dvb_register_device.cold+0x1ac/0x1fa
dvb_dmxdev_init+0x1f3/0x230
...
When dvb_register_device() in dvb_dmxdev_init() fails, dvb_dmxdev_init()
does not return a failure, and the memory pointed to by dvbdev or
dvr_dvbdev is invalid at this point. If they are used subsequently, it
will result in UFA or null-ptr-deref.
If dvb_register_device() in dvb_dmxdev_init() fails, fix the bug by making
dvb_dmxdev_init() return an error as well.
Link: https://lore.kernel.org/linux-media/20211015085741.1203283-1-wanghai38@huawei.com
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
support greyscale pix fmt input for coda9_jpeg_encoder. The hardware
supports it, so allow V4L2 Mem2Mem JPEG Encoder use it as well. Tested
on an i.MX6QP.
[hverkuil: updated the Subject line as suggested by Philipp]
Signed-off-by: Martin Weber <martin.weber@br-automation.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The driver already has logic to detect if it fails to stop properly and
report this error to the user. The driver however did not report the
unused buffers or buffers given to the hardware (if any) with an error,
the buffers where instead returned to user-space in the active state.
Build on the existing detection of the error condition and correctly
return the buffers with an error if it triggers.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: 9cb2173e6ea8 ("[media] media: Add stk1160 new driver (easycap replacement)")
Cc: stable@vger.kernel.org # 3.7
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Use the common control-message timeout define for the five-second
timeouts.
Fixes: 38f993ad8b1f ("V4L/DVB (8125): This driver adds support for the Sensoray 2255 devices.")
Cc: stable@vger.kernel.org # 2.6.27
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: d855497edbfb ("V4L/DVB (4228a): pvrusb2 to kernel 2.6.18")
Cc: stable@vger.kernel.org # 2.6.18
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: a6c2ba283565 ("[PATCH] v4l: 716: support for em28xx board family")
Cc: stable@vger.kernel.org # 2.6.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: ab33d5071de7 ("V4L/DVB (3376): Add cpia2 camera support")
Cc: stable@vger.kernel.org # 2.6.17
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Note that the driver was multiplying some of the timeout values with HZ
twice resulting in 3000-second timeouts with HZ=1000.
Also note that two of the timeout defines are currently unused.
Fixes: 2154be651b90 ("[media] redrat3: new rc-core IR transceiver device driver")
Cc: stable@vger.kernel.org # 3.0
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: 2154be651b90 ("[media] redrat3: new rc-core IR transceiver device driver")
Cc: stable@vger.kernel.org # 3.0
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: 66e89522aff7 ("V4L/DVB: IR: add mceusb IR receiver driver")
Cc: stable@vger.kernel.org # 2.6.36
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The prarameter bs_size to function vpu_enc_encode
is not used. Remove it.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
In order for the encoder to work with gstreamer
it needs to have the V4L2_CID_MPEG_VIDEO_VP8_PROFILE
ctrl. This patch adds that ctrl with only profile 0
supported.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The helper function devm_platform_ioremap_resource()
needs HAS_IOMEM enabled, so add the dependency on HAS_IOMEM.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.
Remove the redundant 'flush_workqueue()' calls.
This was generated with coccinelle:
@@
expression E;
@@
- flush_workqueue(E);
destroy_workqueue(E);
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.
Remove the redundant 'flush_workqueue()' calls.
This was generated with coccinelle:
@@
expression E;
@@
- flush_workqueue(E);
destroy_workqueue(E);
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Fix grammar/wording in the help text for MEDIA_TEST_SUPPORT.
Fixes: 4b32216adb01 ("media: split test drivers from platform directory")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
A clang-analyzer warning was reported.
>> drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c:133:18:
warning: Value stored to 'pfb' during its initialization is never
read [clang-analyzer-deadcode.DeadStores]
struct vdec_fb *pfb = &framebuf->frame_buffer;
^~~ ~~~~~~~~~~~~~~~~~~~~~~~
Removes the redundant 'pfb' assignment to fix.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
get compile-test failed report from lkp@intel.com after the driver
submitted.
"ld.lld: error: undefined symbol: v4l2_fh_init"
so, make CONFIG_STM32_DMA2D depends on CONFIG_VIDEO_DEV and
CONFIG_VIDEO_V4L2 to fix this compile error.
Fixes: bff6e3e2f4c9 ("media: stm32-dma2d: STM32 DMA2D driver")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
If res-chg, VE_INTERRUPT_MODE_DETECT_WD irq will be raised. But
v4l2_input_status won't be updated to no-signal immediately until
aspeed_video_get_resolution() in aspeed_video_resolution_work().
During the period of time, aspeed_video_start_frame() could be called
because it doesn't know signal becomes unstable now. If it goes with
aspeed_video_init_regs() of aspeed_video_irq_res_change()
simultaneously, it will mess up hw state.
To fix this problem, v4l2_input_status is updated to no-signal
immediately for VE_INTERRUPT_MODE_DETECT_WD irq.
Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver")
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Width and height need to 64 bytes aligned when setting the format.
Need to make sure all is 64 bytes align when use width and height to
calculate buffer size.
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Steve Cho <stevecho@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
If V4L2_CAP_READWRITE is not set, then readbuffers must be set to 0,
otherwise v4l2-compliance will complain.
A note on the Fixes tag below: this patch does not really fix that commit,
but it can be applied from that commit onwards. For older code there is no
guarantee that device_caps is set, so even though this patch would apply,
it will not work reliably.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 049e684f2de9 (media: v4l2-dev: fix WARN_ON(!vdev->device_caps))
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
In the em28xx_init_rev, if em28xx_audio_setup fails, this function fails
to deallocate the media_dev allocated in the em28xx_media_device_init.
Fix this by adding em28xx_unregister_media_device to free media_dev.
BTW, this patch is tested in my local syzkaller instance, and it can
prevent the memory leak from occurring again.
CC: Pavel Skripkin <paskripkin@gmail.com>
Fixes: 37ecc7b1278f ("[media] em28xx: add media controller support")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
'mfc_dev->mem_bitmap' is a bitmap. So use 'bitmap_zalloc()' to simplify
code and improve the semantic.
Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
consistency.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The cleanup in tw5864_finidev() neglected to disable the PCI device
after enabling it in tw5864_initdev().
Call pci_disable_device() after releasing the associated resources.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Some resources are allocated with 'pci_request_regions()', so use
'pci_release_regions()' to free them, instead of a verbose
'release_mem_region()'.
There is no point in calling 'devm_kfree()'. The corresponding resource is
managed, so it will be fried automatically.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Repalce kthread_create/wake_up_process() with kthread_run()
to simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
aspeed_video_get_resolution() will try to do res-detect again if the
timing got in last try is invalid. But it will always time out because
VE_SEQ_CTRL_TRIG_MODE_DET is only cleared after 1st mode-detect.
To fix the problem, just clear VE_SEQ_CTRL_TRIG_MODE_DET before setting
it in aspeed_video_enable_mode_detect().
Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver")
Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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>
