[media] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS
authorFlorian Echtler <floe@butterbrot.org>
Tue, 31 May 2016 20:15:32 +0000 (17:15 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 8 Jul 2016 19:16:56 +0000 (16:16 -0300)
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>
drivers/input/touchscreen/sur40.c

index f124f3a..bff525f 100644 (file)
@@ -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