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V4L/DVB (7996): si470x: afc indication 

This patch brings the following changes:
- afc indication:
  device has no indication whether freq is too low or too high
  therefore afc always return 1, when freq is wrong

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Tobias Lorenz 2008-05-31 15:09:07 -03:00 committed by Mauro Carvalho Chehab
parent a7c850a07e
commit ace7d4bbe6
1 changed files with 3 additions and 1 deletions
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4
drivers/media/radio/radio-si470x.c
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@ -101,6 +101,7 @@
* - unplugging fixed
* 2008-05-07 Tobias Lorenz <tobias.lorenz@gmx.net>
* Version 1.0.8
* - afc indication
* - more safety checks, let si470x_get_freq return errno
*
* ToDo:
@ -1390,7 +1391,8 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
* 0x0101;
/* automatic frequency control: -1: freq to low, 1 freq to high */
tuner->afc = 0;
/* AFCRL does only indicate that freq. differs, not if too low/high */
tuner->afc = (radio->registers[STATUSRSSI] & STATUSRSSI_AFCRL) ? 1 : 0;
done:
if (retval < 0)