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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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>
authored by Markus Pargmann and committed by Mark Brown b44aa40f 7552f34a
+11
-7
sound/soc/codecs/tlv320aic32x4.c
+11
-7
sound/soc/codecs/tlv320aic32x4.c
···
450
450
}
451
451
snd_soc_write(codec, AIC32X4_IFACE1, data);
452
452
453
+
if (params_channels(params) == 1) {
454
+
data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
455
+
} else {
456
+
if (aic32x4->swapdacs)
457
+
data = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
458
+
else
459
+
data = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
460
+
}
461
+
snd_soc_update_bits(codec, AIC32X4_DACSETUP, AIC32X4_DAC_CHAN_MASK,
462
+
data);
463
+
453
464
return 0;
454
465
}
455
466
···
616
605
tmp_reg |= AIC32X4_LDOIN2HP;
617
606
}
618
607
snd_soc_write(codec, AIC32X4_CMMODE, tmp_reg);
619
-
620
-
/* Do DACs need to be swapped? */
621
-
if (aic32x4->swapdacs) {
622
-
snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2RCHN | AIC32X4_RDAC2LCHN);
623
-
} else {
624
-
snd_soc_write(codec, AIC32X4_DACSETUP, AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN);
625
-
}
626
608
627
609
/* Mic PGA routing */
628
610
if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K) {
+1
sound/soc/codecs/tlv320aic32x4.h
+1
sound/soc/codecs/tlv320aic32x4.h