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[media] wm8775: fix broken audio routing

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Commit 5aa9ae5ed5 inverted the mute control
state test in s_routing which caused the audio routing to fail. This broke
ivtv support for the Hauppauge video/audio input bracket (which adds additional
video and audio inputs) all the way back in kernel 2.6.36.
This fix fixes the condition and it also removes a nonsense check on the
balance control.
Bisected-by: Rajil Saraswat <rajil.s@gmail.com>

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Reported-by: Rajil Saraswat <rajil.s@gmail.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org      # for v3.10 and up
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2013-11-11 11:02:52 -03:00 committed by Mauro Carvalho Chehab
parent dff04d34b1
commit 3af41a337a
1 changed files with 1 additions and 3 deletions
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4
drivers/media/i2c/wm8775.c
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@ -130,12 +130,10 @@ static int wm8775_s_routing(struct v4l2_subdev *sd,
return -EINVAL;
}
state->input = input;
if (!v4l2_ctrl_g_ctrl(state->mute))
if (v4l2_ctrl_g_ctrl(state->mute))
return 0;
if (!v4l2_ctrl_g_ctrl(state->vol))
return 0;
if (!v4l2_ctrl_g_ctrl(state->bal))
return 0;
wm8775_set_audio(sd, 1);
return 0;
}