[PATCH 046/141] V4L/DVB (3275): Allow SAA7134 to fall back to AM sound when there is NICAM-L

mchehab
2006-03-20T15:52:59Z

From: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Date: 1139300737 -0200

This patch allows to select AM sound even if NICAM is detected.
Proposed by Alain Frappin

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index afa4dcb..3043233 100644
--- a/drivers/media/video/saa7134/saa7134-tvaudio.c
+++ b/drivers/media/video/saa7134/saa7134-tvaudio.c
@@ -140,6 +140,12 @@ static struct saa7134_tvaudio tvaudio[]
.carr2 = 5850,
.mode = TVAUDIO_NICAM_AM,
},{
+ .name = "SECAM-L MONO",
+ .std = V4L2_STD_SECAM,
+ .carr1 = 6500,
+ .carr2 = -1,
+ .mode = TVAUDIO_AM_MONO,
+ },{
.name = "SECAM-D/K",
.std = V4L2_STD_SECAM,
.carr1 = 6500,
@@ -334,6 +340,12 @@ static void tvaudio_setmode(struct saa71
saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa1);
saa_writeb(SAA7134_NICAM_CONFIG, 0x00);
break;
+ case TVAUDIO_AM_MONO:
+ saa_writeb(SAA7134_DEMODULATOR, 0x12);
+ saa_writeb(SAA7134_DCXO_IDENT_CTRL, 0x00);
+ saa_writeb(SAA7134_FM_DEEMPHASIS, 0x44);
+ saa_writeb(SAA7134_STEREO_DAC_OUTPUT_SELECT, 0xa0);
+ break;
case TVAUDIO_FM_SAT_STEREO:
/* not implemented (yet) */
break;
@@ -414,6 +426,7 @@ static int tvaudio_getstereo(struct saa7

switch (audio->mode) {
case TVAUDIO_FM_MONO:
+ case TVAUDIO_AM_MONO:
return V4L2_TUNER_SUB_MONO;
case TVAUDIO_FM_K_STEREO:
case TVAUDIO_FM_BG_STEREO:
@@ -480,6 +493,7 @@ static int tvaudio_setstereo(struct saa7

switch (audio->mode) {
case TVAUDIO_FM_MONO:
+ case TVAUDIO_AM_MONO:
/* nothing to do ... */
break;
case TVAUDIO_FM_K_STEREO:
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 3b8f466..b638df9 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -60,6 +60,7 @@ enum saa7134_tvaudio_mode {
TVAUDIO_FM_K_STEREO = 4,
TVAUDIO_NICAM_AM = 5,
TVAUDIO_NICAM_FM = 6,
+ TVAUDIO_AM_MONO = 7
};

enum saa7134_audio_in {