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Diffstat (limited to 'drivers/media/i2c/cx25840')
-rw-r--r--drivers/media/i2c/cx25840/cx25840-core.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index bdb5bb6b58da..cb4e03de9b75 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -5182,7 +5182,20 @@ static int cx25840_probe(struct i2c_client *client,
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
#if defined(CONFIG_MEDIA_CONTROLLER)
- /* TODO: need to represent analog inputs too */
+ /*
+ * TODO: add media controller support for analog video inputs like
+ * composite, svideo, etc.
+ * A real input pad for this analog demod would be like:
+ * ___________
+ * TUNER --------> | |
+ * | |
+ * SVIDEO .......> | cx25840 |
+ * | |
+ * COMPOSITE1 ...> |_________|
+ *
+ * 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 */