Commit af766ee0 authored May 31, 2016 by Florian Echtler Committed by Mauro Carvalho Chehab Jul 08, 2016

[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>

parent bcdb9040

drivers/input/touchscreen/sur40.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -126,7 +126,7 @@ struct sur40_image_header {
	#define VIDEO_PACKET_SIZE 16384		#define VIDEO_PACKET_SIZE 16384

	/* polling interval (ms) */		/* polling interval (ms) */
	#define POLL_INTERVAL 4		#define POLL_INTERVAL 1

	/* maximum number of contacts FIXME: this is a guess? */		/* maximum number of contacts FIXME: this is a guess? */
	#define MAX_CONTACTS 64		#define MAX_CONTACTS 64