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authorHartmut Hackmann2006-02-07 06:25:37 -0200
committerMauro Carvalho Chehab2006-02-07 06:25:37 -0200
commitf7d66e82c6df37043ddd41ec9ec893844d3a18be (patch)
treee255e554b49b2b1a004f63af360e81a31188b2be
parent99d33d5012c31c6c2b7ad5658654d7c5f0d606d1 (diff)
V4L/DVB (3275): Allow SAA7134 to fall back to AM sound when there is NICAM-L
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>
-rw-r--r--drivers/media/video/saa7134/saa7134-tvaudio.c14
-rw-r--r--drivers/media/video/saa7134/saa7134.h1
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-tvaudio.c b/drivers/media/video/saa7134/saa7134-tvaudio.c
index afa4dcb3f96d..3043233a8b6e 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 saa7134_dev *dev,
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 saa7134_dev *dev, struct saa7134_tvaudio *au
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 saa7134_dev *dev, struct saa7134_tvaudio *au
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
index 3b8f466c7e17..b638df941ff9 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 {