[media] gspca - ov519: Add the 800x600 resolution for sensors ov2610/2610ae

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

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index cda7ee2c8bb4..42670ec7ef3b 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -431,6 +431,11 @@ static const struct v4l2_pix_format ovfx2_cif_mode[] = {
                 .priv = 0},
 };
 static const struct v4l2_pix_format ovfx2_ov2610_mode[] = {
+        {800, 600, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
+                .bytesperline = 800,
+                .sizeimage = 800 * 600,
+                .colorspace = V4L2_COLORSPACE_SRGB,
+                .priv = 1},
         {1600, 1200, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
                 .bytesperline = 1600,
                 .sizeimage = 1600 * 1200,
@@ -547,6 +552,7 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
  * buffers, there are some pretty strict real time constraints for
  * isochronous transfer for larger frame sizes).
  */
+/*jfm: this value works well for 1600x1200, but not 800x600 - see isoc_init */
 #define OVFX2_BULK_SIZE (13 * 4096)
 
 /* I2C registers */
@@ -3434,6 +3440,22 @@ error:
         return -EINVAL;
 }
 
+/* function called at start time before URB creation */
+static int sd_isoc_init(struct gspca_dev *gspca_dev)
+{
+        struct sd *sd = (struct sd *) gspca_dev;
+
+        switch (sd->bridge) {
+        case BRIDGE_OVFX2:
+                if (gspca_dev->width == 1600)
+                        gspca_dev->cam.bulk_size = OVFX2_BULK_SIZE;
+                else
+                        gspca_dev->cam.bulk_size = 7 * 4096;
+                break;
+        }
+        return 0;
+}
+
 /* Set up the OV511/OV511+ with the given image parameters.
  *
  * Do not put any sensor-specific code in here (including I2C I/O functions)
@@ -4788,6 +4810,7 @@ static const struct sd_desc sd_desc = {
         .nctrls = ARRAY_SIZE(sd_ctrls),
         .config = sd_config,
         .init = sd_init,
+        .isoc_init = sd_isoc_init,
         .start = sd_start,
         .stopN = sd_stopN,
         .stop0 = sd_stop0,