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V4L/DVB: v4l2-common: add ability to use v4l2_ctrl_query_fill for chroma gain

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Add the ability to use the v4l2_ctrl_query_fill() function for the newly
introduced chroma gain control.

Also, make use of the centralized function by the one caller.

This work was sponsored by EyeMagnet Limited.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Devin Heitmueller 2010-03-11 22:00:13 -03:00 committed by Mauro Carvalho Chehab
parent 87a6fe4a53
commit f1a4f9eab2
2 changed files with 3 additions and 10 deletions
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11
drivers/media/video/saa7115.c
View file

@ -1234,16 +1234,7 @@ static int saa711x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
case V4L2_CID_CHROMA_AGC:
return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
case V4L2_CID_CHROMA_GAIN:
qc->type = V4L2_CTRL_TYPE_INTEGER;
qc->flags = V4L2_CTRL_FLAG_SLIDER;
qc->minimum = 0;
qc->maximum = 127;
qc->step = 1;
qc->default_value = 0x30;
qc->reserved[0] = 0;
qc->reserved[1] = 0;
strlcpy(qc->name, "chroma_gain", sizeof(qc->name));
return 0;
return v4l2_ctrl_query_fill(qc, 0, 127, 1, 48);
default:
return -EINVAL;
}

2
drivers/media/video/v4l2-common.c
View file

@ -429,6 +429,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_SHARPNESS: return "Sharpness";
case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation";
case V4L2_CID_CHROMA_AGC: return "Chroma AGC";
case V4L2_CID_CHROMA_GAIN: return "Chroma Gain";
case V4L2_CID_COLOR_KILLER: return "Color Killer";
case V4L2_CID_COLORFX: return "Color Effects";
case V4L2_CID_AUTOBRIGHTNESS: return "Brightness, Automatic";
@ -622,6 +623,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_BLUE_BALANCE:
case V4L2_CID_GAMMA:
case V4L2_CID_SHARPNESS:
case V4L2_CID_CHROMA_GAIN:
case V4L2_CID_RDS_TX_DEVIATION:
case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME:
case V4L2_CID_AUDIO_LIMITER_DEVIATION: