diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2014-01-27 16:03:05 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-27 22:13:40 +0400 |
| commit | b44aa40f875b06b1986a18251d601ee1832c4476 (patch) | |
| tree | 17c1992a43fb4c674f6558e5df3d58127da1da53 /sound/soc/codecs/tlv320aic32x4.c | |
| parent | 7552f34a790069a008bd3e2ab4c0954b30c2f63b (diff) | |
| download | linux-b44aa40f875b06b1986a18251d601ee1832c4476.tar.xz | |
ASoC: tlv320aic32x4: Fix mono playback
Playback of a mono stream should output the same stream on both
channels. At the moment only the left analog signal is valid, the right
one is just noise.
This patch maps the left digital channel onto both DACs when receiving a
mono stream.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/tlv320aic32x4.c')
| -rw-r--r-- | sound/soc/codecs/tlv320aic32x4.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index 385dec16eb8a..ee9ad05f9137 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -450,6 +450,17 @@ static int aic32x4_hw_params(struct snd_pcm_substream *substream, } snd_soc_write(codec, AIC32X4_IFACE1, data); + if (params_channels(params) == 1) { + data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN; + } else { + if (aic32x4->swapdacs) + data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN; + else + data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN; + } + snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK, + data); + return 0; } @@ -606,13 +617,6 @@ static int aic32x4_probe(struct snd_soc_codec *codec) } snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg); - /* Do DACs need to be swapped? */ - if (aic32x4->swapdacs) { - snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2RCHN | AIC32X4_RDAC2LCHN); - } else { - snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN); - } - /* Mic PGA routing */ if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) { snd_soc_write(codec, AIC32X4_LMICPGANIN, AIC32X4_LMICPGANIN_IN2R_10K); |