media: atomisp-ov2680: Fix and simplify ov2680_q_exposure()

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Switch to ov2680_read_reg() to read all 24 bits in one go;
and the exposure value sits in bits 4-19 of the 24 bit exposure
register, so we need to shift the read value by 4 to report the
correct value.

Link: https://lore.kernel.org/linux-media/20211107171549.267583-9-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Hans de Goede 2021-11-07 17:15:46 +00:00 • committed by Mauro Carvalho Chehab

parent 3aa39a4935

commit bc53e5bdbc

1 changed files with 6 additions and 21 deletions

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drivers/staging/media/atomisp/i2c/atomisp-ov2680.c

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