Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / input / touchscreen / sur40.c

diff --git a/kernel/drivers/input/touchscreen/sur40.c b/kernel/drivers/input/touchscreen/sur40.c
index d214f22..45b466e 100644 (file)
--- a/kernel/drivers/input/touchscreen/sur40.c
+++ b/kernel/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
@@ -441,7 +441,7 @@ static void sur40_process_video(struct sur40_state *sur40)
 
        /* return error if streaming was stopped in the meantime */
        if (sur40->sequence == -1)
-               goto err_poll;
+               return;
 
        /* mark as finished */
        v4l2_get_timestamp(&new_buf->vb.timestamp);
@@ -730,6 +730,7 @@ static int sur40_start_streaming(struct vb2_queue *vq, unsigned int count)
 static void sur40_stop_streaming(struct vb2_queue *vq)
 {
        struct sur40_state *sur40 = vb2_get_drv_priv(vq);
+       vb2_wait_for_all_buffers(vq);
        sur40->sequence = -1;
 
        /* Release all active buffers */