From 1614e38161dbbe2cb0a03ca75e4d4c4663f7bc2e Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sat, 31 May 2008 15:09:07 +0000 Subject: si470x: afc indication From: Tobias Lorenz 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 Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/radio/radio-si470x.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'linux') diff --git a/linux/drivers/media/radio/radio-si470x.c b/linux/drivers/media/radio/radio-si470x.c index e56ce15aa..5cebcc11c 100644 --- a/linux/drivers/media/radio/radio-si470x.c +++ b/linux/drivers/media/radio/radio-si470x.c @@ -101,6 +101,7 @@ * - unplugging fixed * 2008-05-07 Tobias Lorenz * Version 1.0.8 + * - afc indication * - more safety checks, let si470x_get_freq return errno * * ToDo: @@ -1401,7 +1402,8 @@ 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) -- cgit v1.2.3