return csi2rx_set_fmt(subdev, state, &format);
}
-EXPORT_SYMBOL_GPL_FOR_MODULES(cdns_csi2rx_negotiate_ppc, "j721e-csi2rx");
+ int cdns_csi2rx_negotiate_ppc(struct v4l2_subdev *subdev, unsigned int pad,
+ u8 *ppc)
+ {
+ struct csi2rx_priv *csi2rx = v4l2_subdev_to_csi2rx(subdev);
+ const struct csi2rx_fmt *csi_fmt;
+ struct v4l2_subdev_state *state;
+ struct v4l2_mbus_framefmt *fmt;
+
+ if (!ppc || pad < CSI2RX_PAD_SOURCE_STREAM0 || pad >= CSI2RX_PAD_MAX)
+ return -EINVAL;
+
+ state = v4l2_subdev_lock_and_get_active_state(subdev);
+ fmt = v4l2_subdev_state_get_format(state, pad);
+ csi_fmt = csi2rx_get_fmt_by_code(fmt->code);
+
+ /* Reduce requested PPC if it is too high */
+ *ppc = min(*ppc, csi_fmt->max_pixels);
+
+ v4l2_subdev_unlock_state(state);
+
+ csi2rx->num_pixels[pad - CSI2RX_PAD_SOURCE_STREAM0] =
+ CSI2RX_STREAM_CFG_NUM_PIXELS(*ppc);
+
+ return 0;
+ }
++EXPORT_SYMBOL_FOR_MODULES(cdns_csi2rx_negotiate_ppc, "j721e-csi2rx");
+
static const struct v4l2_subdev_pad_ops csi2rx_pad_ops = {
.enum_mbus_code = csi2rx_enum_mbus_code,
.get_fmt = v4l2_subdev_get_fmt,