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[media] cx25840: better document the media pads 

Use an enum to better document the media pads.

No functional changes.

Suggested-by: Prabhakar Lad <prabhakar.csengg@gmail.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2015-02-19 18:44:51 -03:00
parent db74935905
commit 7e4f23d53d
2 changed files with 12 additions and 4 deletions
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6
drivers/media/i2c/cx25840/cx25840-core.c
View File

@ -5196,9 +5196,9 @@ static int cx25840_probe(struct i2c_client *client,
* However, at least for now, there's no much gain on modelling
* those extra inputs. So, let's add it only when needed.
*/
state->pads[0].flags = MEDIA_PAD_FL_SINK; /* Tuner or input */
state->pads[1].flags = MEDIA_PAD_FL_SOURCE; /* Video */
state->pads[2].flags = MEDIA_PAD_FL_SOURCE; /* VBI */
state->pads[CX25840_PAD_INPUT].flags = MEDIA_PAD_FL_SINK;
state->pads[CX25840_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
state->pads[CX25840_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
ret = media_entity_init(&sd->entity, ARRAY_SIZE(state->pads),

10
drivers/media/i2c/cx25840/cx25840-core.h
View File

@ -41,6 +41,14 @@ enum cx25840_model {
CX25837,
};
enum cx25840_media_pads {
CX25840_PAD_INPUT,
CX25840_PAD_VID_OUT,
CX25840_PAD_VBI_OUT,
CX25840_NUM_PADS
};
struct cx25840_state {
struct i2c_client *c;
struct v4l2_subdev sd;
@ -65,7 +73,7 @@ struct cx25840_state {
struct work_struct fw_work; /* work entry for fw load */
struct cx25840_ir_state *ir_state;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_pad pads[3];
struct media_pad pads[CX25840_NUM_PADS];
#endif
};