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Input: stmfts - use async probe & suspend/resume to avoid 2s delay

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Executing stmfts_power_on() function lasts over 2 seconds, what
significantly slows down the boot and resume processes if driver is
compiled in. Avoid this delay by forcing this driver to be probed
and suspended/resumed asynchronously.

Signed-off-by: Marek Szyprowski <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
This commit is contained in:
Marek Szyprowski 2018-03-30 11:12:21 -07:00 • committed by Dmitry Torokhov
commit 1d96000360
1 changed files with 2 additions and 0 deletions
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2
drivers/input/touchscreen/stmfts.c
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@ -730,6 +730,7 @@ static int stmfts_probe(struct i2c_client *client,
return err;
pm_runtime_enable(&client->dev);
device_enable_async_suspend(&client->dev);
return 0;
}
@ -805,6 +806,7 @@ static struct i2c_driver stmfts_driver = {
.name = STMFTS_DEV_NAME,
.of_match_table = of_match_ptr(stmfts_of_match),
.pm = &stmfts_pm_ops,
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.probe = stmfts_probe,
.remove = stmfts_remove,