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Diffstat (limited to 'include/media/cadence/cdns-csi2rx.h')
-rw-r--r--include/media/cadence/cdns-csi2rx.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/media/cadence/cdns-csi2rx.h b/include/media/cadence/cdns-csi2rx.h
new file mode 100644
index 000000000000..782d03fc36d1
--- /dev/null
+++ b/include/media/cadence/cdns-csi2rx.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+#ifndef _CDNS_CSI2RX_H
+#define _CDNS_CSI2RX_H
+
+#include <media/v4l2-subdev.h>
+
+/**
+ * cdns_csi2rx_negotiate_ppc - Negotiate pixel-per-clock on output interface
+ *
+ * @subdev: point to &struct v4l2_subdev
+ * @pad: pad number of the source pad
+ * @ppc: pointer to requested pixel-per-clock value
+ *
+ * Returns 0 on success, negative error code otherwise.
+ */
+int cdns_csi2rx_negotiate_ppc(struct v4l2_subdev *subdev, unsigned int pad,
+ u8 *ppc);
+
+#endif