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authorTobias Lorenz <tobias.lorenz@gmx.net>2008-05-31 22:09:07 +0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 14:08:38 +0400
commitace7d4bbe6170ef9b72bfa82c3e5769d250fffae (patch)
tree0b02d4d7c713b4ed0084194f6d2db65a7d4ee373 /drivers/media/radio/radio-si470x.c
parenta7c850a07eddf0e0f515d57b2ce696a9779c6ed1 (diff)
downloadlinux-ace7d4bbe6170ef9b72bfa82c3e5769d250fffae.tar.xz
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>
Diffstat (limited to 'drivers/media/radio/radio-si470x.c')
-rw-r--r--drivers/media/radio/radio-si470x.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 954ba997895d..db9d64a228bb 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -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)