From: Nicholas Mc Guire Date: Wed, 8 May 2019 15:11:53 +0000 (-0400) Subject: media: smiapp: core: add small range to usleep_range X-Git-Tag: v5.3-rc1~170^2~360 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=a1038ee8ca9f857d4d2e809a02bfe69ecb085b25;p=linux.git media: smiapp: core: add small range to usleep_range No need for a high-accuracy delay here as long as it is more than 2 milliseconds this should be ok - as it is non-atomic context it will be not be precise 2 milliseconds so giving the hrtimer subsystem 50 microseconds to merge timers and reduce interrupts. Signed-off-by: Nicholas Mc Guire Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/i2c/smiapp/smiapp-quirk.c b/drivers/media/i2c/smiapp/smiapp-quirk.c index 95c0272bb014..59cb2a51758a 100644 --- a/drivers/media/i2c/smiapp/smiapp-quirk.c +++ b/drivers/media/i2c/smiapp/smiapp-quirk.c @@ -202,7 +202,7 @@ static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor) return rval; /* Wait for 1 ms + one line => 2 ms is likely enough */ - usleep_range(2000, 2000); + usleep_range(2000, 2050); /* Restore it */ rval = smiapp_write_8(sensor, 0x3205, 0x00);