[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>
diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c
index 2f5671f..705dd6f 100644
--- a/drivers/media/radio/radio-aztech.c
+++ b/drivers/media/radio/radio-aztech.c
@@ -94,21 +94,16 @@
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 @@
.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 };