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[media] cx231xx: fix frequency clamping

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Let the tuner clamp the frequency and store that clamped value.
This fixes a v4l2_compliance failure.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-02-09 06:40:33 -03:00 committed by Mauro Carvalho Chehab
parent 8b735c1307
commit 0752d98e1a
1 changed files with 2 additions and 9 deletions
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11
drivers/media/usb/cx231xx/cx231xx-video.c
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@ -1356,11 +1356,8 @@ static int vidioc_g_frequency(struct file *file, void *priv,
if (f->tuner)
return -EINVAL;
f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
f->frequency = dev->ctl_freq;
call_all(dev, tuner, g_frequency, f);
return 0;
}
@ -1383,16 +1380,12 @@ static int vidioc_s_frequency(struct file *file, void *priv,
if (0 != f->tuner)
return -EINVAL;
if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
return -EINVAL;
if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
return -EINVAL;
/* set pre channel change settings in DIF first */
rc = cx231xx_tuner_pre_channel_change(dev);
dev->ctl_freq = f->frequency;
call_all(dev, tuner, s_frequency, f);
call_all(dev, tuner, g_frequency, f);
dev->ctl_freq = f->frequency;
/* set post channel change settings in DIF first */
rc = cx231xx_tuner_post_channel_change(dev);