static int adv748x_afe_propagate_pixelrate(struct adv748x_afe *afe)
{
struct v4l2_subdev *tx;
- unsigned int width, height, fps;
tx = adv748x_get_remote_sd(&afe->pads[ADV748X_AFE_SOURCE]);
if (!tx)
return -ENOLINK;
- width = 720;
- height = afe->curr_norm & V4L2_STD_525_60 ? 480 : 576;
- fps = afe->curr_norm & V4L2_STD_525_60 ? 30 : 25;
-
- return adv748x_csi2_set_pixelrate(tx, width * height * fps);
+ /*
+ * The ADV748x ADC sampling frequency is twice the externally supplied
+ * clock whose frequency is required to be 28.63636 MHz. It oversamples
+ * with a factor of 4 resulting in a pixel rate of 14.3180180 MHz.
+ */
+ return adv748x_csi2_set_pixelrate(tx, 14318180);
}
static int adv748x_afe_enum_mbus_code(struct v4l2_subdev *sd,
{
struct v4l2_subdev *tx;
struct v4l2_dv_timings timings;
- struct v4l2_bt_timings *bt = &timings.bt;
- unsigned int fps;
tx = adv748x_get_remote_sd(&hdmi->pads[ADV748X_HDMI_SOURCE]);
if (!tx)
adv748x_hdmi_query_dv_timings(&hdmi->sd, &timings);
- fps = DIV_ROUND_CLOSEST_ULL(bt->pixelclock,
- V4L2_DV_BT_FRAME_WIDTH(bt) *
- V4L2_DV_BT_FRAME_HEIGHT(bt));
-
- return adv748x_csi2_set_pixelrate(tx, bt->width * bt->height * fps);
+ return adv748x_csi2_set_pixelrate(tx, timings.bt.pixelclock);
}
static int adv748x_hdmi_enum_mbus_code(struct v4l2_subdev *sd,