V4L/DVB (9859): gspca - ov534: Fix frame size so we don't miss the last pixel.

The frame size is too small, so we lose the last YUYV pixel.
Fix the setup and remove the last_pixel hack.

Signed-off-by: Jim Paris <jim@jtan.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 9 insertions, 19 deletions

diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index ee08e30e23c..79bb6241d27 100644
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -197,9 +197,9 @@ static const __u8 ov534_reg_initdata[][2] = {
         { 0x1d, 0x40 },
         { 0x1d, 0x02 },
         { 0x1d, 0x00 },
-        { 0x1d, 0x02 },
-        { 0x1d, 0x57 },
-        { 0x1d, 0xff },
+        { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
+        { 0x1d, 0x58 }, /* frame size */
+        { 0x1d, 0x00 }, /* frame size */
 
         { 0x8d, 0x1c },
         { 0x8e, 0x80 },
@@ -409,25 +409,15 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
 static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
                         __u8 *data, int len)
 {
-        /*
-         * The current camera setup doesn't stream the last pixel, so we set it
-         * to a dummy value
-         */
-        __u8 last[4] = { 0, 0, 0, 0 };
         int framesize = frame->v4l2_buf.length;
 
-        PDEBUG(D_PACK, "");
-        PDEBUG(D_PACK, "** packet len = %d, framesize = %d", len, framesize);
-        PDEBUG(D_PACK, "** frame->data_end - frame->data + len = %d",
-                        frame->data_end - frame->data + len);
-
-        if (frame->data_end - frame->data + len == framesize - 4) {
-                PDEBUG(D_PACK, "   end of frame!");
-                gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
-                frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, last, 4);
-                gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, 0);
+        if (len == framesize) {
+                frame = gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
+                                        data, len);
+                frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0);
         } else
-                gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
+                PDEBUG(D_PACK, "packet len = %d, framesize = %d", len,
+                       framesize);
 }
 
 /* sub-driver description */