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authorFurquan Shaikh <furquan@chromium.org>2017-10-06 14:06:27 -0700
committerFurquan Shaikh <furquan@google.com>2017-10-08 19:38:51 +0000
commitef1a5ede6ca61e66ff39a694055378b2dca8fb96 (patch)
tree0f55c17bff75bd9047a0d4452b3f1d12d15827bd /util/crossgcc/Dockerfile
parent2749c52080bbaba9e6ce54fb327b7157a7e392c2 (diff)
mb/google/poppy/variants/soraka: Add 10ms reset delay for WCOM device
Change 868b3761 (mainboard/google/soraka: Reduce Wacom resume time) removed the delay after taking device out of reset since it seemed unnecessary in system resume case (because there is enough time after taking device out of reset and before communication with device starts). However, without the delay, kernel driver runs into issue while talking to the device during boot-up and runtime suspend/resume. (Observed this error in dmesg: "i2c_hid i2c-WCOMCOHO:00: failed to change power setting."). Thus, add 10ms delay after taking device out of reset. Verified on multiple Soraka system that with 10ms delay, kernel driver does not run into any issue talking to the WCOM device during boot-up, runtime suspend/resume and system suspend/resume. BUG=b:65358919 TEST=No more errors talking to WCOM device in kernel dmesg. Change-Id: I485b753cbae4b653e74337e048aea4d26ffdbb81 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/21910 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Rajat Jain <rajatja@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'util/crossgcc/Dockerfile')
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