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The driver should disable regulators when fails to probe.
Link: https://lore.kernel.org/linux-media/20220510114852.1719018-1-zheyuma97@gmail.com
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The driver should check whether the client provides the platform_data.
The following log reveals it:
[ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40
[ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414
[ 29.612820] Call Trace:
[ 29.613030] <TASK>
[ 29.613201] dump_stack_lvl+0x56/0x6f
[ 29.613496] ? kmemdup+0x30/0x40
[ 29.613754] print_report.cold+0x494/0x6b7
[ 29.614082] ? kmemdup+0x30/0x40
[ 29.614340] kasan_report+0x8a/0x190
[ 29.614628] ? kmemdup+0x30/0x40
[ 29.614888] kasan_check_range+0x14d/0x1d0
[ 29.615213] memcpy+0x20/0x60
[ 29.615454] kmemdup+0x30/0x40
[ 29.615700] lgdt3306a_probe+0x52/0x310
[ 29.616339] i2c_device_probe+0x951/0xa90
Link: https://lore.kernel.org/linux-media/20220405095018.3993578-1-zheyuma97@gmail.com
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Use checkpatch --strict --in-place to cleanup most style issues.
Then, do some manual work to fix most of the remaining issues.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Found by checkpatch.
Link: https://lore.kernel.org/linux-media/20220116112238.74171-4-micha@freedict.org
Signed-off-by: Michael Bunk <micha@freedict.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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"modinfo dvb-usb-dw2102|grep 0105" returns two lines, because the module
reports this usb alias twice.
Remove one of them.
Signed-off-by: Michael Bunk <micha@freedict.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The code ignored the I2C_M_RD flag on I2C messages. Instead it assumed
an i2c transaction with a single message must be a write operation and a
transaction with two messages would be a read operation.
Though this works for the driver code, it leads to problems once the i2c
device is exposed to code not knowing this convention. For example,
I did "insmod i2c-dev" and issued read requests from userspace, which
were translated into write requests and destroyed the EEPROM of my
device.
So, just check and respect the I2C_M_READ flag, which indicates a read
when set on a message. If it is absent, it is a write message.
Incidentally, changing from the case statement to a while loop allows
the code to lift the limitation to two i2c messages per transaction.
There are 4 more *_i2c_transfer functions affected by the same behaviour
and limitation that should be fixed in the same way.
Link: https://lore.kernel.org/linux-media/20220116112238.74171-2-micha@freedict.org
Signed-off-by: Michael Bunk <micha@freedict.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The new m88ds3101b demodulator version requires the highest bit of
register 0x11 be cleared after tuning to a new frequency to make the
lock output pin go high when a signal is found. This pin is normally
connected to an indicator led.
Link: https://lore.kernel.org/linux-media/20220116112238.74171-1-micha@freedict.org
Signed-off-by: Michael Bunk <micha@freedict.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Protect against multiple inclusions of the max9271.h header with include
guards.
Link: https://lore.kernel.org/linux-media/20220102224803.27463-1-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Fix a small indentation issue in a comment block.
Link: https://lore.kernel.org/linux-media/20220101173540.9090-1-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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It is possible that mtk_vcodec_enc_pw_on fails, and in that scenario
the PM counter is not incremented, and subsequent call to
mtk_vcodec_enc_pw_off decrements the counter, leading to a PM imbalance.
Fix by bailing out of venc_if_encode in the case when mtk_vcodec_enc_pw_on
fails.
Fixes: 4e855a6efa54 ("[media] vcodec: mediatek: Add Mediatek V4L2 Video Encoder Driver")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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In the MediaTek vcodec driver, while mtk_vcodec_mem_free() is mostly
called only when the buffer to free exists, there are some instances
that didn't do the check and triggered warnings in practice.
We believe those checks were forgotten unintentionally. Add the checks
back to fix the warnings.
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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In mtk_vcodec_mem_free(), there are two cases where a NULL VA is passed:
- mem->size == 0: we are called to free no memory. This may happen when
we call mtk_vcodec_mem_free() twice or the memory has never been
allocated.
- mem->size > 0: we are called to free memory but without VA. This means
that we failed to free the memory for real.
Both cases are not expected to happen, and we want to have clearer error
messages to describe which one we just encountered.
Update the error messages to include more information for that purpose.
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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In mtk_vcodec_mem_alloc() and mtk_vcodec_mem_free(), the value of
mem->size is not expected to change before and when using the DMA APIs
and debug print, so there's no point in keeping local copies of it.
Drop the local variable "size" in the mentioned functions, and update
printk format identifiers accordingly.
This makes the code slightly more visually consistent, and retrieve a
small amount of memory that is used for no real purpose.
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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mtk_v4l2_err() already uses dev_err(), so don't print the device name
again. Print the function name instead.
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Set the owner field of the async sub-devices by making
v4l2_async_register_subdev() a macro and obtaining THIS_MODULE that way.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Set a sub-device's owner field to the caller's module, provided as an
argument to the function. v4l2_device_register_subdev() becomes a macro
passing THIS_MODULE to the __v4l2_device_register_subdev() function.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Drop dev_err() and use the dev_err_probe() helper on probe path.
No functional changes intended.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Set timing-related and BLC anchor registers via cci calls instead of
hardcoding them in the register table. This prepares the driver for
implementation of configurable analogue crop and binning. No
functional change intended.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Pixel array dimensions and default crop size do not belong to the
ov4689_mode structure, since they are mode independent. Make them
defines instead.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The OV4689 sensor has separate red and blue gain settings (up to 4x).
Implement appropriate controls in the driver. Default gain values
are not modified.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The OV4689 sensor supports digital gain up to 16x. Implement
corresponding control in the driver. Default digital gain value is not
modified by this patch.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The OV4689 sensor supports horizontal and vertical flipping. Add
appropriate controls to the driver. Toggling both array flip and
digital flip bits allows to achieve flipping while maintaining output
Bayer order. Note that the default value of hflip control corresponds
to both bits set, as it was before this patch.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Make horizontal blanking configurable. To do so, set HTS register
according to the requested horizontal blanking in ov4689_set_ctrl
instead of the register table. Default HTS value is not changed by
this patch. Minimal HTS value is found experimentally and corresponds
to 90 fps framerate at minimum vertical blanking. Real HTS value is
the register value multiplied by 4.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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max_fps field of struct ov4689_mode is unused in this driver, so
remove it.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Use runtime PM autosuspend to avoid powering off the sensor during
fast stop-reconfigure-restart cycles.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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As the sensor may be accessible right after its async sub-device is
registered, enable runtime PM before doing so.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Use sub-device active state. Employ control handler lock to
synchronize access to the active state and s_stream.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Introduce local variable for regmap within the ov4689_set_ctrl
function. This adjustment eliminates repetition within the function.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The 'client' field within the 'ov4689' structure is solely used to
access its 'dev' member. This commit removes the 'client' field and
directly stores a pointer to the 'struct device'.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Convert the i2c register accesses to utilize the CCI helper library
rather than relying on driver-specific functions. Also, set analogue
gain in a single 16-bit write instead of two 8-bit writes.
[Sakari Ailus: Initialise sensor_gain as 0.]
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Fix a spelling error in a comment.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Put register defininitions in the order of increasing register
address.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Many values in the register table are actually power-on
defaults. Remove those and also unused HDR exposures and gains.
Annotate the remaining values using the publicly available datasheet
to facilitate further development. No functional change intended.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Fix the if (stream->config.mode == IA_CSS_INPUT_MODE_PRBS) {} block
coding style. Specifically fix the weird declaration of variables split
over multiple lines.
While at it also split the multi-line width calculation at a more
logical place.
Reported-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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This value is not used by the driver, only returned to userspace and
userspace should not rely on / use the priv fields. Drop setting this.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Refactor the code a tiny bit to avoid the need to have 2 different
paths with spin_unlock_irqrestore() in there.
While at it also remove the non helpful dev_dbg() message.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Remove the empty csi2_set_stream() callback and remove the now
empty csi2_video_ops struct.
While at it also remove the empty csi2_core_ops struct.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Remove the empty isp_subdev_set_power() callback.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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There is no need to clear the ISP sink-pad crop and source-pad
compose rectangles on release of the /dev/video# file.
Both will be reset by atomisp_set_fmt() which is guaranteed to
get called by atomisp_queue_setup() (if not called already)
before another stream starts and thus before these selections
are used again.
Also the file injection support the comment talks about has long
been dropped from the driver.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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struct atomisp_platform_data only has a single subdevs member. Remove
this struct and replace atomisp_get_platform_data() with
atomisp_platform_get_subdevs().
Note atomisp_get_platform_data() and now atomisp_platform_get_subdevs()
always succeed, so while at it also remove unnecessary error checking.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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VCM support has already been removed from the main atomisp driver
in commit 7473c97dd8d0 ("media: atomisp: Remove custom VCM handling")
remove the left-over dead VCM handling from the gmin platform code.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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intel_v4l2_subdev_type / atomisp_input_subdev.type now always is
RAW_CAMERA, drop it.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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After removing the flash support frame_status now always is
ATOMISP_FRAME_STATUS_OK aka 0. Drop frame_status tracking.
This also means one less atomisp custom use for the vb2_buffer->reserved*
fields (all custom use of these fields should be removed).
While at it also remove the no longer used vf_frame pointer from
struct atomisp_sub_device.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Remove the custom flash handling from the atomisp driver. There are
only few Bay Trail / Cherry Trail devices with flash and if those will
ever get supported then this should be done through the new standard
include/linux/led-class-flash.h APIs instead of with atomisp specific
custom APIs.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Drop the atomisp custom lm3554 flash driver, support for flash drivers
using the custom atomisp flash interface is going to be removed from
the atomisp driver.
If flash supports for the lm3554 turns out to be necessary on some
atomisp devices in the future then this should be re-implemented
using the new include/linux/led-class-flash.h APIs.
The atomisp specific lm3554 driver could still be usable as a reference
for how to use / driver the lm3554 for a future re-implementation
using standardized APIs, but for that it can be retrieved from
the git history.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Change the single, unexpected user of CSI_PORT0_ID
for (port = CSI_PORT0_ID; port < N_CSI_PORTS; port++)
to
for (port = 0; port < N_CSI_PORTS; port++) {
matching all the other for-loops iterating over the ports in
the same file.
And remove the now fully unused input_port_ID_t enum type.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The TPG support registers a v4l2-subdev for this, but this is not part of
the media-controller graph in any way. After manually selecting the TPG
as input using the s_input ioctl it does not work.
Several supported sensors have their own working TPG and using the sensor's
TPG means that the same data-flow is used as with actual sensors rather
then the quite different data-flow from the ISP's builtin TPG.
Remove the broken TPG support, when a test-pattern is needed for testing
a sensor's TPG can be used. Using a sensor's TPG is actually better for
testing since then the actual normal data-flow is being tested.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The atomisp driver now properly ensures s_power(1) is called before calling
the set_fmt() callback, so this workaround is no longer necessary.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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The media-controller core (__media_entity_setup_link()) already checks
that the pads of the link are not streaming before calling the setup_link()
pad-op so calling atomisp_pipe_check() is not necessary;
and taking isp->mutex inside the setup_link() pad-op leads to a possible
ABBA deadlock vs the media-device graph_mutex which in the case of
the setup_link() pad-op is taken before calling the op, while in other
scenarios the graph_mutex is taken after the isp->mutex.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Call media_pipeline_alloc_start() from atomisp_start_streaming() to mark
all involved subdevs as busy so that the links cannot be changed through
the media-controller APIs while streaming.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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