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authorFlorian Echtler <floe@butterbrot.org>2016-05-31 23:15:32 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-08 22:16:56 +0300
commitaf766ee005c496b8567976dc3eed7676443ed6de (patch)
treed0b624ee037757c5fe34d58f474fcefaa9367e67 /drivers/input/touchscreen/sur40.c
parentbcdb9040df9e1e2a16252791c43f9c40c2927dd3 (diff)
downloadlinux-af766ee005c496b8567976dc3eed7676443ed6de.tar.xz
[media] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS
The framerate sometimes drops below 60 Hz if the poll interval is too high. Lowering it to the minimum of 1 ms fixes this. Signed-off-by: Martin Kaltenbrunner <modin@yuri.at> Signed-off-by: Florian Echtler <floe@butterbrot.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: <stable@vger.kernel.org> # for v4.2 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/input/touchscreen/sur40.c')
-rw-r--r--drivers/input/touchscreen/sur40.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index f124f3af0de1..bff525f26e87 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -126,7 +126,7 @@ struct sur40_image_header {
#define VIDEO_PACKET_SIZE 16384
/* polling interval (ms) */
-#define POLL_INTERVAL 4
+#define POLL_INTERVAL 1
/* maximum number of contacts FIXME: this is a guess? */
#define MAX_CONTACTS 64