[media] gspca - ov519: Change the ov519 start and stop sequences

- start and stop streaming are done via the FRAR
- streaming suspend (for control change) is done by video reset

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 2484e5222d4a..43b86b1b57fb 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2325,6 +2325,8 @@ static inline void ov51x_stop(struct sd *sd)
                 break;
         case BRIDGE_OV519:
                 reg_w(sd, OV519_R51_RESET1, 0x0f);
+                reg_w(sd, OV519_R51_RESET1, 0x00);
+                reg_w(sd, 0x22, 0x00);          /* FRAR */
                 break;
         case BRIDGE_OVFX2:
                 reg_w_mask(sd, 0x0f, 0x00, 0x02);
@@ -2356,7 +2358,9 @@ static inline void ov51x_restart(struct sd *sd)
                 reg_w(sd, R51x_SYS_RESET, 0x00);
                 break;
         case BRIDGE_OV519:
+                reg_w(sd, OV519_R51_RESET1, 0x0f);
                 reg_w(sd, OV519_R51_RESET1, 0x00);
+                reg_w(sd, 0x22, 0x1d);          /* FRAR */
                 break;
         case BRIDGE_OVFX2:
                 reg_w_mask(sd, 0x0f, 0x02, 0x02);
@@ -3668,13 +3672,13 @@ static void sethvflip(struct gspca_dev *gspca_dev)
         struct sd *sd = (struct sd *) gspca_dev;
 
         if (sd->gspca_dev.streaming)
-                ov51x_stop(sd);
+                reg_w(sd, OV519_R51_RESET1, 0x0f);      /* block stream */
         i2c_w_mask(sd, OV7670_R1E_MVFP,
                 OV7670_MVFP_MIRROR * sd->ctrls[HFLIP].val
                         | OV7670_MVFP_VFLIP * sd->ctrls[VFLIP].val,
                 OV7670_MVFP_MIRROR | OV7670_MVFP_VFLIP);
         if (sd->gspca_dev.streaming)
-                ov51x_restart(sd);
+                reg_w(sd, OV519_R51_RESET1, 0x00);      /* restart stream */
 }
 
 static void set_ov_sensor_window(struct sd *sd)