Commit 1c9f11ed authored by Ondrej Zary's avatar Ondrej Zary Committed by Mauro Carvalho Chehab

[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: default avatarOndrej Zary <linux@rainbow-software.org>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent eb27fafe
......@@ -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 };
......
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