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authorLiGang <b41990@freescale.com>2012-09-14 13:31:24 +0800
committerLiGang <b41990@freescale.com>2012-09-14 13:31:24 +0800
commit0ccf1609f3d00d1f3d093a621969379e2fc46346 (patch)
treeae01636d9793c3f1ce497669e1e34ad6ce593cec /crypto
parent559073d213f793985151bec2b65c54b2613e489e (diff)
ENGR00224171 evk : Touch screen has no response after resumeimx-android-r13.5-beta
System is triggered by falling edge of touch interrupt pin, and the touch can't power off during suspend, so if touch the screen during suspend, the touch interrupt pin will changed to low status, but system can't response the falling edge interrupt for it's in suspend, then the touch interrupt pin will stay low status. After resume, the system will not accept any falling edge interrpt from touch, that leads the touch no response after resume. The solution here is: in later resume, read the touch data if the interrupt pin of touch is low status, then the interrupt pin of touch will return to high after reading the touch data. Signed-off-by: LiGang <b41990@freescale.com>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions