mirror of https://gitee.com/openkylin/linux.git
[media] bttv: fix g_tuner capabilities override
The capability field of v4l2_tuner should be ORed by the various subdevs and by the main driver. In this case the stereo capability was dropped. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -1803,7 +1803,7 @@ static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
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vt->audmode = chip->audmode;
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vt->rxsubchans = desc->getrxsubchans(chip);
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vt->capability = V4L2_TUNER_CAP_STEREO |
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vt->capability |= V4L2_TUNER_CAP_STEREO |
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V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
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return 0;
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@ -2787,9 +2787,9 @@ static int bttv_g_tuner(struct file *file, void *priv,
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return -EINVAL;
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t->rxsubchans = V4L2_TUNER_SUB_MONO;
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t->capability = V4L2_TUNER_CAP_NORM;
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bttv_call_all(btv, tuner, g_tuner, t);
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strcpy(t->name, "Television");
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t->capability = V4L2_TUNER_CAP_NORM;
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t->type = V4L2_TUNER_ANALOG_TV;
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if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
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t->signal = 0xffff;
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