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The atomisp_[sub]dev_users() functions are not used anymore,
remove them.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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atomisp_init_pipe() does 3 things:
1. Init a bunch of list-heads / locks
2. Init the vb_queue for the videodev (aka pipe)
3. zero the per-frame parameters related variables of the pipe
1. and 2. really should not be done at file-open time, but once at probe.
Currently the code is getting away with doing this on every videodev-open
because only 1 open is allowed at a time.
1. is already done at probe time by atomisp_init_subdev_pipe(), move 2. to
atomisp_init_subdev_pipe() so that it is also done once at probe.
As for 3. The per-frame parameters can only be set from a qbuf ioctl,
which can only happen after a reqbufs ioctl and atomisp_buf_cleanup
already zeros the per-frame parameters when the buffers are released,
so 3. is not necessary at all.
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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Make atomisp behave like any other drivers and have it load the firmware
at probe time (as it was already doing by default).
The deferred firmware loading support needlessly complicates the
v4l2_file_operations.open callback (atomisp_open()), getting in
the way of allowing multiple opens like a normal v4l2 device would.
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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Convert atomisp to use videobuf2.
This fixes mmap not working and in general moving over to
the more modern videobuf2 is a good plan.
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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atomisp_q_video_buffers_to_css() is only used insidd atomisp_fops.c, make
it static.
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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This driver is licensed under GPL 2.0, as stated inside their
headers.
Add the proper tag there. We should probably latter cleanup
the reduntant licensing text, but this could be done later,
after we get rid of other abstraction layers.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The very same macros are defined as CSS_foo and IA_CSS_foo.
Remove this abstraction, as it just make things confusing,
for no good reason.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This driver has very long directories without a good
reason (IMHO). Let's drop two directories from such hierarchy,
in order to simplify things a little bit and make the dir
output a bit more readable.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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