media: atomisp: Add atomisp_s_sensor_power() helper

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Since the atomisp driver only supports 1 stream / only has 1 asd now,
there is no longer a need to track which stream owns the sensor.

So the asd owner-pointer of struct atomisp_input_subdev can be dropped,
replace this with a simple camera_on boolean and add a new
atomisp_s_sensor_power() helper which takes care of avoiding unbalanced
s_power() subdev calls as well as takes care of handling the special
-ENOIOCTLCMD return for subdevs which don't implement s_power().

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>

...

This commit is contained in:

Hans de Goede 2024-04-11 18:42:16 +01:00 • committed by Mauro Carvalho Chehab

parent c7064fb609

commit 2eee958174

5 changed files with 26 additions and 35 deletions

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17

drivers/staging/media/atomisp/pci/atomisp_cmd.c

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3

drivers/staging/media/atomisp/pci/atomisp_cmd.h

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14

drivers/staging/media/atomisp/pci/atomisp_fops.c

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6

drivers/staging/media/atomisp/pci/atomisp_internal.h

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21

drivers/staging/media/atomisp/pci/atomisp_ioctl.c

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