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Rename to struct v4l2_vp8_loop_filter, which is closer to the
VP8 syntax. This change is only cosmetics, but since this API
is exposed to userspace, it's worth the trouble to get it consistent.
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>
It doesn't seem to add any clarity to have a "header" suffix in controls,
struct names and flags.
Since this just makes names too long without any benefit, just drop it.
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>
On production devices the firmware could be located on different
places, this path could be provided by special firmware-name DT
property.
Here we check for existence of such DT property and if it exist
take the firmware path from there. Otherwise, if the property
is missing we fallback to the predefined path from driver resource
structure.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This file uses memremap() now, so we should include io.h instead of
relying on any sort of implicit include elsewhere.
Cc: Dikshita Agarwal <dikshita@codeaurora.org>
Fixes: 0ca0ca980505 ("media: venus: core: add support to dump FW region")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Fritz Koenig <frkoenig@chromium.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
If an error occurs after a successful 'of_icc_get()' call, it must be
undone.
Use 'devm_of_icc_get()' instead of 'of_icc_get()' to avoid the leak.
Update the remove function accordingly and axe the now unneeded
'icc_put()' calls.
Fixes: 32f0a6ddc8c9 ("media: venus: Use on-chip interconnect API")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add support for Access Unit Delimiter control into encoder.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a control to enable inserting of AUD NALU into encoded
bitstream.
Reviewed-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>
Deprecate mfc private display delay and display enable controls for
new clients and use the standard controls instead.
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>
Use the standard display_delay and display_delay_enable controls,
the legacy private MFC controls are kept for backward compatibility.
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add support for display delay and display delay enable std controls.
With this we implement decoder decode output order (decode vs display).
Once firmware implement few new features the controls will be used
for other use-cases.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Make display delay and display delay enable MFC controls standard v4l
controls. This will allow reuse of the controls for other decoder
drivers. Also the new proposed controls are now codec agnostic because
they could be used for any codec.
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>
In practice, IA_CSS_PIPE_ID_NUM should never be used when
calling atomisp_q_video_buffers_to_css(), as the driver should
discover the right pipe before calling it.
Yet, if some pipe parsing issue happens, it could end using
it.
So, add a WARN_ON() to prevent such case.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Print the value of the ISP shadow registers in mipi_csis_dump_regs() as
this can help debugging.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Replace hardcoded register addresses in the MIPI_CSIS_DBG_CTRL()
function with macros. While at it, update the printed name of the
registers to match the datasheet, and short them by address.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Rename several register macros to match the names from the
documentation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Replace the per-channel ISP registers macros with a single one that take
the channel as a parameter. Only channel 0 is supported for now, but
this will make support for multiple channels easier.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Define macros for the fields of the MIPI_CSIS_DPHY_BCTRL_L register,
based on the i.MX8MM datasheet. The numerical value written to the
register, taken from the i.MX7D code, is unchanged, and corresponds to a
20.0MHz Tx escape clock frequency according to the documentation of the
register from the i.MX8MM. Whether the other fields are applicable to
the i.MX7D is unknown.
While at it, rename the DPHY[BS]CTRL register names to DPHY_[BS]CTRL to
match the datasheet.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
When setting the CSIS parameters, write the MIPI_CSIS_DPHYCTRL register
fully instead of modifying selected fields, as the register doesn't
contain any reserved fields that need to be preserved. This simplifies
initialization slightly, and ensures that the register value doesn't
depend on its previous state (before a warm reboot for instance).
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Make it easier to instrument register access (for instance with
printk-based logging) by turning the macros into inline functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The Ths_settle timing parameter depends solely on the lane data rate of
the source. Calculate it at runtime instead of requiring it to be
specified in the device tree.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Checking if the link setup operation is called for the sink or source
pad doesn't require any locking. Move it out of the section protected by
the mutex.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The mipi_csis_set_hsync_settle() is small, called from a single place,
and misnamed (HS stands for high speed, not horizontal sync). Inline it
in its only caller, and refactor the HSSETTLE register field macros
while at it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
CSI-2 uses, as a convention, 1Xn media bus formats. Replace
MEDIA_BUS_FMT_UYVY8_2X8 with MEDIA_BUS_FMT_UYVY8_1X16, and set the width
value accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The data type specified for 10-bit YUV is the same as 8-bit YUV. This is
wrong, and has thus clearly not been tested. Instead of fixing data type
without being able to test it, drop it. It can be added back later when
someone will have access to a 10-bit YUV source to this it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The wrap clock is retrieved with the other clocks using
devm_clk_bulk_get(), and retrieved independently with a specific
devm_clk_get() call. The latter isn't needed, replace it with usage of
the wrap clock from the bulk array.
As the wrap clock is mandatory, simplify its usage further by removing
conditionals.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The .s_power() subdev operation is optional, don't error out when the
source doesn't implement it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The alignments given to the v4l_bound_align_image() are expressed in
bytes, while the function expects them to be expressed as a power of
two. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The device has a single reset line, there's thus no need to name it
explicitly when calling devm_reset_control_get_exclusive(). Drop the
name in preparation for the removal of the reset-names property in the
DT binding.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The CSI subdev has a single source, the input video mux. There's thus a
single link between the source and the CSI, which can be made immutable
and enabled to simplify configuration.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a flags argument to the v4l2_create_fwnode_links_to_pad() function
to specify the link flags. This allows drivers to create immutable links
for instance.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The CSI driver only supports the BGGR Bayer patterns currently. The
hardware supports all patterns (the only pattern-dependent hardware
operation is statistics calculation, as de-bayering isn't supported),
enable them in the driver too.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The SOF and EOF interrupts are not used. Don't enable them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The DMA controller needs to be reflashed after being configured. There
is however no need to do it twice, once in imx7_csi_configure() and once
in imx7_csi_sw_reset(), called from imx7_csi_enable(). Remove the
former.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The RxFIFO is enabled by imx7_csi_dmareq_rff_enable() in both
imx7_csi_init() and imx7_csi_enable(). Enabling it once is enough,
remove the former.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The CSI is enabled at the end of imx7_csi_sw_reset(), called from
imx7_csi_enable(), as well as at the end of imx7_csi_enable(). The
latter is enough, remove the former.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There's no need to read the CSICR1 register before each write in
imx7_csi_rx_fifo_clear(). Simplify the function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The RFF burst type is set in imx7_csi_dmareq_rff_enable(), which doesn't
match the function name. Move it to imx7_csi_configure().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
When configuring the CSI in imx7_csi_configure(), the CSICR18 is set
through a read-modify-write cycle to avoid affecting fields whose usage
isn't clear. The function then sets fields depending on whether the
input is interlaced or progressive, and from the parallel input or the
CSI-2 receiver.
Those bits are only set and never cleared. For instance, when switching
from a CSI-2 source to the parallel input, the BIT_DATA_FROM_MIPI will
stay set. Fix this issue by first clearing all the fields we need to
configure.
Add BIT_CSI_HW_ENABLE to the set of fields being cleared, as the CSI
needs to start in the disabled state. This allows dropping the call to
imx7_csi_hw_disable() in imx7_csi_sw_reset().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Merge all the configuration steps (imx7_csi_buf_stride_set(),
imx7_csi_deinterlace_enable(), imx7_csi_set_imagpara() and
imx7_csi_init_default()) in the imx7_csi_configure() function. This
simplifies the configuration procedure by removing most
read-update-write cycles, and makes the code generally more readable.
imx7_csi_init_default() is kept as it is also called from
imx7_csi_deinit(). This will be addressed separately.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There's no need to set the buffer stride to 0 when disabling the CSI.
Remove the extraneous register write.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The MIPI CSI-2 data type depends solely on the media bus code on the
sink pad. Deriving it from the pixel format is confusing. Simplify the
code.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The imx7_csi_hw_reset() and imx7_csi_init_interface() functions are
always called together. Merge them. This allows simplifying the code by
avoiding duplicated register writes.
As the imx7_csi_hw_reset() function didn't perform a hardware reset by
initialized the registers to reset defaults (in addition to resetting
the frame counter), name the resulting function imx7_csi_init_default()
as it sets default values.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The imx7_csi_streaming_start() function just wraps imx7_csi_enable().
Call the latter directly.
Similarly, merge imx7_csi_streaming_stop() and imx7_csi_disable() as
they're both called from a single location only.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There's no reason to delay the CSI configuration and the DMA setup after
starting the source. Move it before, simplifying error handling at
stream start.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The imx7_csi_dma_stop() function performs two operations, it waits for
DMA to be complete, and then cleans up and frees buffers. Split the
second part out to a new imx7_csi_dma_cleanup() function to match
imx7_csi_dma_setup(), in preparation for a stream start refactoring.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The imx7_csi_dma_start() doesn't start DMA. Rename it to
imx7_csi_dma_setup() to avoid confusion.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The is_csi2 field can't be accessed concurrently by
imx7_csi_pad_link_validate() and imx7_csi_configure(), as the latter is
called from imx7_csi_s_stream(), which is called after link validation.
Drop the lock.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The code in imx7_csi_pad_link_validate() that checks the type of the
source incorrectly handles devices that have no parallel input. In that
case, the source entity of the CSI is the CSI-2 receiver, not the video
mux, and the driver will proceed to check the type of the source of the
CSI-2 receiver.
Make the code more explicit to fix this, by handling the three cases
(parallel input only, CSI-2 receiver only, and video mux) separately.
Note that the driver will not correctly handle the case where only a
parallel input is present, and the external entity connected to the
parallel input reports a MEDIA_ENT_F_VID_IF_BRIDGE or
MEDIA_ENT_F_VID_MUX function. This was broken already, and should be
fixed separately.
Fixes: f5ffb81f5137 ("media: imx7: csi: Fix pad link validation")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
