diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-01-27 16:31:41 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-10 14:32:45 +0300 |
| commit | 297a41448a006def6b87aef5383837c3130a41e4 (patch) | |
| tree | 6ef8ae08a1da758777fb4873945314a0e1b8007e /drivers/media/i2c/adv7604.c | |
| parent | ed679b8a19bea7b1d64c49c0e369b65b2dfce135 (diff) | |
| download | linux-297a41448a006def6b87aef5383837c3130a41e4.tar.xz | |
[media] adv7604: add support to for the content type control
This receiver now supports reading the IT content type of the incoming
video.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index e427cacde527..d35e0ba8b269 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -1197,6 +1197,20 @@ static int adv76xx_s_ctrl(struct v4l2_ctrl *ctrl) return -EINVAL; } +static int adv76xx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = + &container_of(ctrl->handler, struct adv76xx_state, hdl)->sd; + + if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) { + ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC; + if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80)) + ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3; + return 0; + } + return -EINVAL; +} + /* ----------------------------------------------------------------------- */ static inline bool no_power(struct v4l2_subdev *sd) @@ -2353,6 +2367,7 @@ static int adv76xx_subscribe_event(struct v4l2_subdev *sd, static const struct v4l2_ctrl_ops adv76xx_ctrl_ops = { .s_ctrl = adv76xx_s_ctrl, + .g_volatile_ctrl = adv76xx_g_volatile_ctrl, }; static const struct v4l2_subdev_core_ops adv76xx_core_ops = { @@ -2988,6 +3003,7 @@ static int adv76xx_probe(struct i2c_client *client, V4L2_DV_BT_CEA_640X480P59_94; struct adv76xx_state *state; struct v4l2_ctrl_handler *hdl; + struct v4l2_ctrl *ctrl; struct v4l2_subdev *sd; unsigned int i; unsigned int val, val2; @@ -3119,6 +3135,11 @@ static int adv76xx_probe(struct i2c_client *client, V4L2_CID_SATURATION, 0, 255, 1, 128); v4l2_ctrl_new_std(hdl, &adv76xx_ctrl_ops, V4L2_CID_HUE, 0, 128, 1, 0); + ctrl = v4l2_ctrl_new_std_menu(hdl, &adv76xx_ctrl_ops, + V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, + 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; /* private controls */ state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, |