[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>
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index 185cb55..bd49644 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -5196,9 +5196,9 @@
* 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),
diff --git a/drivers/media/i2c/cx25840/cx25840-core.h b/drivers/media/i2c/cx25840/cx25840-core.h
index 17b409f..fdea48c 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.h
+++ b/drivers/media/i2c/cx25840/cx25840-core.h
@@ -41,6 +41,14 @@
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 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
};
