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authorSakari Ailus <sakari.ailus@linux.intel.com>2020-10-08 18:24:39 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-01-12 17:52:04 +0100
commit2fed6c84dc6fb9e374466d8a0ba86eb6ca7868f8 (patch)
treeba0b8aba00cb73c7682b3474aaae57d9d9e64d98 /drivers/media/i2c/ov13858.c
parent51fc72e541b44d5ba52673b1e2b492ffc164b71c (diff)
media: ccs: Hardware requires a delay after starting the clock of lifting reset
A CCS compliant device requires a delay before the first I²C transaction after pulling xshutdown up or starting the external clock. This is what the driver does. However, if neither is actually there, there's no need for the delay. This also has the effect of removing an unnecessary delay on ACPI systems where ACPI is responsible for the power-up sequence. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/i2c/ov13858.c')
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