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Linux/include/media/rcar-fcp.h

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  1 /* SPDX-License-Identifier: GPL-2.0+ */
  2 /*
  3  * rcar-fcp.h  --  R-Car Frame Compression Processor Driver
  4  *
  5  * Copyright (C) 2016 Renesas Electronics Corporation
  6  *
  7  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
  8  */
  9 #ifndef __MEDIA_RCAR_FCP_H__
 10 #define __MEDIA_RCAR_FCP_H__
 11 
 12 struct device_node;
 13 struct rcar_fcp_device;
 14 
 15 #if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
 16 struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
 17 void rcar_fcp_put(struct rcar_fcp_device *fcp);
 18 struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
 19 int rcar_fcp_enable(struct rcar_fcp_device *fcp);
 20 void rcar_fcp_disable(struct rcar_fcp_device *fcp);
 21 #else
 22 static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
 23 {
 24         return ERR_PTR(-ENOENT);
 25 }
 26 static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
 27 static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
 28 {
 29         return NULL;
 30 }
 31 static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
 32 {
 33         return 0;
 34 }
 35 static inline void rcar_fcp_disable(struct rcar_fcp_device *fcp) { }
 36 #endif
 37 
 38 #endif /* __MEDIA_RCAR_FCP_H__ */
 39 

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