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| author | Hartmut Hackmann <hartmut.hackmann@t\-online.de> | 2006-02-07 06:25:37 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-02-07 06:25:37 -0200 |
| commit | f7d66e82c6df37043ddd41ec9ec893844d3a18be (patch) | |
| tree | e255e554b49b2b1a004f63af360e81a31188b2be | |
| parent | 99d33d5012c31c6c2b7ad5658654d7c5f0d606d1 (diff) | |
| download | linux-f7d66e82c6df37043ddd41ec9ec893844d3a18be.tar.gz | |
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.c | 14 | ||||
| -rw-r--r-- | drivers/media/video/saa7134/saa7134.h | 1 |
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 afa4dcb3f96dd..3043233a8b6e2 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 3b8f466c7e17a..b638df941ff9c 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 { |