[PATCH v2 2/3] sur40: lower poll interval to fix occasional FPS drops to ~56 FPS

Florian Echtler
2016-05-31T20:15:53Z

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>
---
drivers/input/touchscreen/sur40.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 4b1f703..64e588c 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
--
1.9.1