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| author | Rafael J. Wysocki <[email protected]> | 2011-12-23 00:24:25 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2011-12-25 22:39:50 +0000 |
| commit | 9ee27ffbe303ce18e7336115f1d443e9911eba53 (patch) | |
| tree | 9ec445eecfeece0ab1ec2e6b6f2ac7478c917373 /fs/jbd2/commit.c | |
| parent | PM / QoS: Introduce dev_pm_qos_add_ancestor_request() (diff) | |
| download | kernel-9ee27ffbe303ce18e7336115f1d443e9911eba53.tar.gz kernel-9ee27ffbe303ce18e7336115f1d443e9911eba53.zip | |
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 <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
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