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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2017-05-17 02:20:04 +0300
committerKieran Bingham <kieran.bingham+renesas@ideasonboard.com>2017-06-09 14:25:36 +0300
commit02533540ef8a54840a41843b8852755a543318e6 (patch)
treed68b079f0cdb70ead2ed51fe9491f490cae42d7c /include/media
parent8c71a1a318385ba2354fa7e8adf3d42678edd766 (diff)
downloadlinux-02533540ef8a54840a41843b8852755a543318e6.tar.xz
v4l: rcar-fcp: Add an API to retrieve the FCP device
The new rcar_fcp_get_device() function retrieves the struct device related to the FCP device. This is useful to handle DMA mapping through the right device. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Acked-by: Mauro Cavalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'include/media')
-rw-r--r--include/media/rcar-fcp.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/media/rcar-fcp.h b/include/media/rcar-fcp.h
index 8723f05c6321..b60a7b176c37 100644
--- a/include/media/rcar-fcp.h
+++ b/include/media/rcar-fcp.h
@@ -19,6 +19,7 @@ struct rcar_fcp_device;
#if IS_ENABLED(CONFIG_VIDEO_RENESAS_FCP)
struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np);
void rcar_fcp_put(struct rcar_fcp_device *fcp);
+struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp);
int rcar_fcp_enable(struct rcar_fcp_device *fcp);
void rcar_fcp_disable(struct rcar_fcp_device *fcp);
#else
@@ -27,6 +28,10 @@ static inline struct rcar_fcp_device *rcar_fcp_get(const struct device_node *np)
return ERR_PTR(-ENOENT);
}
static inline void rcar_fcp_put(struct rcar_fcp_device *fcp) { }
+static inline struct device *rcar_fcp_get_device(struct rcar_fcp_device *fcp)
+{
+ return NULL;
+}
static inline int rcar_fcp_enable(struct rcar_fcp_device *fcp)
{
return 0;