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authorMarek Szyprowski <m.szyprowski@samsung.com>2018-03-30 11:12:21 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-03-30 15:31:41 -0700
commit1d960003603403f28b9d391087905491b98f3923 (patch)
tree2c30cb45ac4366d62c798490a05708b6812569aa /drivers/input
parent4621c9660459cd256e395e129bce6cd0f79a8ca3 (diff)
Input: stmfts - use async probe & suspend/resume to avoid 2s delay
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 <m.szyprowski@samsung.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/stmfts.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index efdb1a75a163..40c833db150a 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -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,