From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
This transmitter now supports configuring the IT content type of the incoming
video.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/i2c/adv7511.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index 471fd23..e0dcdb1 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_CONTENT_TYPE_NO_ITC;
+ cn = itc ? state->content_type : V4L2_DV_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_CONTENT_TYPE_NO_ITC;
+ u8 cn = itc ? state->content_type : V4L2_DV_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_CONTENT_TYPE, V4L2_DV_CONTENT_TYPE_NO_ITC,
+ 0, V4L2_DV_CONTENT_TYPE_NO_ITC);
sd->ctrl_handler = hdl;
if (hdl->error) {
err = hdl->error;
--
2.7.0.rc3
--
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