Commit c6618d27 authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Mauro Carvalho Chehab
Browse files

media: cedrus: Add helper for determining number of elements 



Now that controls can be dynamic arrays, we need to know how many
elements are in such array. Add a helper for that.

Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: default avatarEzequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 0ede8c82

drivers/staging/media/sunxi/cedrus/cedrus.c

+11 −0
Original line number Diff line number Diff line
@@ -232,6 +232,17 @@ void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id) 
	return NULL;

}



u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id)

{

	unsigned int i;



	for (i = 0; ctx->ctrls[i]; i++)

		if (ctx->ctrls[i]->id == id)

			return ctx->ctrls[i]->elems;



	return 0;

}



static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)

{

	struct v4l2_ctrl_handler *hdl = &ctx->hdl;

drivers/staging/media/sunxi/cedrus/cedrus.h

+1 −0
Original line number Diff line number Diff line
@@ -261,5 +261,6 @@ vb2_to_cedrus_buffer(const struct vb2_buffer *p) 
}



void *cedrus_find_control_data(struct cedrus_ctx *ctx, u32 id);

u32 cedrus_get_num_of_controls(struct cedrus_ctx *ctx, u32 id);



#endif