diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2013-07-19 13:46:18 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-07-26 13:34:09 -0300 |
| commit | 1c9f11ed21816290a7cea36fc2dc3b16d5590340 (patch) | |
| tree | 10f861bb1121715e5c1148c8c3b022850a309f70 /drivers/media/radio/radio-aztech.c | |
| parent | eb27fafef69568a82c46c27a1761f037e4272b87 (diff) | |
| download | linux-1c9f11ed21816290a7cea36fc2dc3b16d5590340.tar.gz | |
[media] radio-aztech: Implement signal strength detection and fix stereo detection
Current stereo detection code is wrong - it reads TUNED bit instead of STEREO bit.
Fix that and implement signal strength detection too.
Also remove useless s_stereo functionn.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/radio/radio-aztech.c')
| -rw-r--r-- | drivers/media/radio/radio-aztech.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c index 2f5671f2e17e..705dd6f9162c 100644 --- a/drivers/media/radio/radio-aztech.c +++ b/drivers/media/radio/radio-aztech.c @@ -94,21 +94,16 @@ static int aztech_s_frequency(struct radio_isa_card *isa, u32 freq) return 0; } -/* thanks to Michael Dwyer for giving me a dose of clues in - * the signal strength department.. - * - * This card has a stereo bit - bit 0 set = mono, not set = stereo - */ static u32 aztech_g_rxsubchans(struct radio_isa_card *isa) { - if (inb(isa->io) & 1) + if (inb(isa->io) & AZTECH_BIT_MONO) return V4L2_TUNER_SUB_MONO; return V4L2_TUNER_SUB_STEREO; } -static int aztech_s_stereo(struct radio_isa_card *isa, bool stereo) +static u32 aztech_g_signal(struct radio_isa_card *isa) { - return aztech_s_frequency(isa, isa->freq); + return (inb(isa->io) & AZTECH_BIT_NOT_TUNED) ? 0 : 0xffff; } static int aztech_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol) @@ -126,8 +121,8 @@ static const struct radio_isa_ops aztech_ops = { .alloc = aztech_alloc, .s_mute_volume = aztech_s_mute_volume, .s_frequency = aztech_s_frequency, - .s_stereo = aztech_s_stereo, .g_rxsubchans = aztech_g_rxsubchans, + .g_signal = aztech_g_signal, }; static const int aztech_ioports[] = { 0x350, 0x358 }; |