1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 #ifndef _CDNS_CSI2RX_H 3 #define _CDNS_CSI2RX_H 4 5 #include <media/v4l2-subdev.h> 6 7 /** 8 * cdns_csi2rx_negotiate_ppc - Negotiate pixel-per-clock on output interface 9 * 10 * @subdev: point to &struct v4l2_subdev 11 * @pad: pad number of the source pad 12 * @ppc: pointer to requested pixel-per-clock value 13 * 14 * Returns 0 on success, negative error code otherwise. 15 */ 16 int cdns_csi2rx_negotiate_ppc(struct v4l2_subdev *subdev, unsigned int pad, 17 u8 *ppc); 18 19 #endif 20