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authorDudley Du <dudl@cypress.com>2016-03-04 11:23:09 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-03-04 11:32:13 -0800
commit3cd47869431d7402d0613cf0f7fbb392f2b97565 (patch)
tree295eebb05b77b62f3b64ee8112b83b4e11980198 /arch/arm
parent5186b8c41a89fd071f8d036b41ec4b68fbcf2e4d (diff)
downloadblackbird-op-linux-3cd47869431d7402d0613cf0f7fbb392f2b97565.tar.gz
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Input: cyapa - fix for losing events during device power transitions
When changing the scan rate as part of runtime-resume process we may lose some of the events, because: 1) for gen3 trackpads, the driver must msleep() some time to ensure that the device is ready to accept next command; 2) for gen5 and later trackpads, the queue dumping function will simply ignore the events when waiting for the set power mode command response. The solution is to keep polling and report those valid events when the set power mode command is in progress. Signed-off-by: Dudley Du <dudl@cypress.com> Tested-by: Jeremiah Mahler <jmmahler@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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