V4L/DVB: gspca_ov519: add support for the button on ov511 based cams

Due to hardware limitations this only works while the camera is
streaming.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 17 insertions, 5 deletions

diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 016f8bb5c37..bc4ced6c013 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2702,6 +2702,11 @@ static void sd_reset_snapshot(struct gspca_dev *gspca_dev)
         sd->snapshot_needs_reset = 0;
 
         switch (sd->bridge) {
+        case BRIDGE_OV511:
+        case BRIDGE_OV511PLUS:
+                reg_w(sd, R51x_SYS_SNAP, 0x02);
+                reg_w(sd, R51x_SYS_SNAP, 0x00);
+                break;
         case BRIDGE_OV518:
         case BRIDGE_OV518PLUS:
                 reg_w(sd, R51x_SYS_SNAP, 0x02); /* Reset */
@@ -3996,11 +4001,17 @@ static void ov51x_handle_button(struct gspca_dev *gspca_dev, u8 state)
 
                 sd->snapshot_pressed = state;
         } else {
-                /* On the ov519 we need to reset the button state multiple
-                   times, as resetting does not work as long as the button
-                   stays pressed */
-                if (sd->bridge == BRIDGE_OV519 && state)
-                        sd->snapshot_needs_reset = 1;
+                /* On the ov511 / ov519 we need to reset the button state
+                   multiple times, as resetting does not work as long as the
+                   button stays pressed */
+                switch (sd->bridge) {
+                case BRIDGE_OV511:
+                case BRIDGE_OV511PLUS:
+                case BRIDGE_OV519:
+                        if (state)
+                                sd->snapshot_needs_reset = 1;
+                        break;
+                }
         }
 }
 
@@ -4025,6 +4036,7 @@ static void ov511_pkt_scan(struct gspca_dev *gspca_dev,
          */
         if (!(in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) &&
             (in[8] & 0x08)) {
+                ov51x_handle_button(gspca_dev, (in[8] >> 2) & 1);
                 if (in[8] & 0x80) {
                         /* Frame end */
                         if ((in[9] + 1) * 8 != gspca_dev->width ||