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(parent: 40a5f8b) | patch
PM / input / touchscreen: Make st1232 use device PM QoS constraints
authorRafael J. Wysocki <rjw@sisk.pl>
Fri, 23 Dec 2011 00:24:25 +0000 (01:24 +0100)
committerRafael J. Wysocki <rjw@sisk.pl>
Sun, 25 Dec 2011 22:39:50 +0000 (23:39 +0100)
commit9ee27ffbe303ce18e7336115f1d443e9911eba53
tree9ec445eecfeece0ab1ec2e6b6f2ac7478c917373tree | snapshot
parent40a5f8be2f482783de0f1f0fe856660e489734a8commit | diff
PM / input / touchscreen: Make st1232 use device PM QoS constraints

Make the st1232 driver use dev_pm_qos_add_ancestor_request() to
add a device PM QoS latency constraint for the controller it
depends on, so that the controller won't go into an overly deep
low-power state when the touchscreen has to be particularly
responsive (e.g. when the user moves his or her finger on it).

This change is based on a prototype patch from Guennadi Liakhovetski.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
drivers/input/touchscreen/st1232.c diff | blob | history
Domain: System / Uncategorized;