diff options
Diffstat (limited to 'drivers/media/i2c/cx25840')
| -rw-r--r-- | drivers/media/i2c/cx25840/cx25840-core.c | 30 | ||||
| -rw-r--r-- | drivers/media/i2c/cx25840/cx25840-core.h | 11 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c index 573e08826b9b..bd496447749a 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.c +++ b/drivers/media/i2c/cx25840/cx25840-core.c @@ -5137,6 +5137,9 @@ static int cx25840_probe(struct i2c_client *client, int default_volume; u32 id; u16 device_id; +#if defined(CONFIG_MEDIA_CONTROLLER) + int ret; +#endif /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -5178,6 +5181,33 @@ 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: 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[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), + state->pads, 0); + if (ret < 0) { + v4l_info(client, "failed to initialize media entity!\n"); + return ret; + } +#endif switch (id) { case CX23885_AV: diff --git a/drivers/media/i2c/cx25840/cx25840-core.h b/drivers/media/i2c/cx25840/cx25840-core.h index 37bc04217c44..fdea48ce0c03 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.h +++ b/drivers/media/i2c/cx25840/cx25840-core.h @@ -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; @@ -64,6 +72,9 @@ struct cx25840_state { wait_queue_head_t fw_wait; /* wake up when the fw load is finished */ 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[CX25840_NUM_PADS]; +#endif }; static inline struct cx25840_state *to_state(struct v4l2_subdev *sd) |