diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-01-27 16:31:43 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-10 14:33:23 +0300 |
| commit | df0e57754e29493bf9c53333ece7df172dd18a10 (patch) | |
| tree | 68635a6ab6b8d371e0ada877af158214d0ee8aa9 | |
| parent | e89792740d769cd30cc296289b00fb9ff7a762e8 (diff) | |
| download | linux-df0e57754e29493bf9c53333ece7df172dd18a10.tar.xz | |
[media] adv7511: add support to for the content type control
This transmitter now supports configuring 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>
| -rw-r--r-- | drivers/media/i2c/adv7511.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c index 471fd23b5c5c..a9ed5337df2d 100644 --- a/drivers/media/i2c/adv7511.c +++ b/drivers/media/i2c/adv7511.c @@ -103,12 +103,14 @@ struct adv7511_state { u32 ycbcr_enc; u32 quantization; u32 xfer_func; + u32 content_type; /* controls */ struct v4l2_ctrl *hdmi_mode_ctrl; struct v4l2_ctrl *hotplug_ctrl; struct v4l2_ctrl *rx_sense_ctrl; struct v4l2_ctrl *have_edid0_ctrl; struct v4l2_ctrl *rgb_quantization_range_ctrl; + struct v4l2_ctrl *content_type_ctrl; struct i2c_client *i2c_edid; struct i2c_client *i2c_pktmem; struct adv7511_state_edid edid; @@ -400,6 +402,16 @@ static int adv7511_s_ctrl(struct v4l2_ctrl *ctrl) } if (state->rgb_quantization_range_ctrl == ctrl) return adv7511_set_rgb_quantization_mode(sd, ctrl); + if (state->content_type_ctrl == ctrl) { + u8 itc, cn; + + state->content_type = ctrl->val; + itc = state->content_type != V4L2_DV_IT_CONTENT_TYPE_NO_ITC; + cn = itc ? state->content_type : V4L2_DV_IT_CONTENT_TYPE_GRAPHICS; + adv7511_wr_and_or(sd, 0x57, 0x7f, itc << 7); + adv7511_wr_and_or(sd, 0x59, 0xcf, cn << 4); + return 0; + } return -EINVAL; } @@ -1002,6 +1014,8 @@ static int adv7511_set_fmt(struct v4l2_subdev *sd, u8 y = HDMI_COLORSPACE_RGB; u8 q = HDMI_QUANTIZATION_RANGE_DEFAULT; u8 yq = HDMI_YCC_QUANTIZATION_RANGE_LIMITED; + u8 itc = state->content_type != V4L2_DV_IT_CONTENT_TYPE_NO_ITC; + u8 cn = itc ? state->content_type : V4L2_DV_IT_CONTENT_TYPE_GRAPHICS; if (format->pad != 0) return -EINVAL; @@ -1115,8 +1129,8 @@ static int adv7511_set_fmt(struct v4l2_subdev *sd, adv7511_wr_and_or(sd, 0x4a, 0xbf, 0); adv7511_wr_and_or(sd, 0x55, 0x9f, y << 5); adv7511_wr_and_or(sd, 0x56, 0x3f, c << 6); - adv7511_wr_and_or(sd, 0x57, 0x83, (ec << 4) | (q << 2)); - adv7511_wr_and_or(sd, 0x59, 0x3f, yq << 6); + adv7511_wr_and_or(sd, 0x57, 0x83, (ec << 4) | (q << 2) | (itc << 7)); + adv7511_wr_and_or(sd, 0x59, 0x0f, (yq << 6) | (cn << 4)); adv7511_wr_and_or(sd, 0x4a, 0xff, 1); return 0; @@ -1470,6 +1484,10 @@ static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id * v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops, V4L2_CID_DV_TX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, 0, V4L2_DV_RGB_RANGE_AUTO); + state->content_type_ctrl = + v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops, + V4L2_CID_DV_TX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, + 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); sd->ctrl_handler = hdl; if (hdl->error) { err = hdl->error; |