From f7d66e82c6df37043ddd41ec9ec893844d3a18be Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Tue, 7 Feb 2006 06:25:37 -0200 Subject: [PATCH] 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-tvaudio.c | 14 ++++++++++++++ drivers/media/video/saa7134/saa7134.h | 1 + 2 files changed, 15 insertions(+) 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 @@ -139,6 +139,12 @@ static struct saa7134_tvaudio tvaudio[] = { .carr1 = 6500, .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, @@ -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 { -- 2.30.2