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authorVarshit B Pandya <varshit.b.pandya@intel.com>2022-01-17 18:27:11 +0530
committerFelix Held <felix-coreboot@felixheld.de>2022-01-28 15:07:51 +0000
commit45bf0411f39d54cbee902ab58b49a771eff294f1 (patch)
tree0ba81cdc39e2c378e2f9a4ebbe88f579a304e56d /src/acpi/Kconfig
parent5f72179d572cddf7e5d202e3e2e5152fed9afbc3 (diff)
mb/google/dedede/var/drawcia: Change power sequencing of Camera and VCM
Drawcia's MIPI camera sensor and VCM both share the same reset GPIO from the PCH. The current power sequence does not take this into account, and this leads to an unbalanced ref count of the reset GPIO, which can cause one or the other of the devices to reset unexpectedly. This patch corrects that by explicitly sequencing the reset GPIO for both devices, which the builtin refcounting of this driver will automatically handle. BUG=b:214665783 TEST=Build, boot to OS and check VCM once camera stream off Signed-off-by: Varshit B Pandya <varshit.b.pandya@intel.com> Change-Id: Ib676fd1f43dbd9cf75e4aff01baab4a4bb4e2a89 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61147 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/acpi/Kconfig')
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