.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,
* 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 */
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)
.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,