From: Andreas Dannenberg dannenberg@ti.com
Unlike the TAS5720, the TAS5722 can be configured to utilize 16-bit wide slots in TDM mode. This can help easing audio clocking/frequency requirements.
Signed-off-by: Andreas Dannenberg dannenberg@ti.com Signed-off-by: Andrew F. Davis afd@ti.com --- sound/soc/codecs/tas5720.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/sound/soc/codecs/tas5720.c b/sound/soc/codecs/tas5720.c index 042068964afb..08e0bfc9390c 100644 --- a/sound/soc/codecs/tas5720.c +++ b/sound/soc/codecs/tas5720.c @@ -152,6 +152,7 @@ static int tas5720_set_dai_tdm_slot(struct snd_soc_dai *dai, int slots, int slot_width) { struct snd_soc_codec *codec = dai->codec; + struct tas5720_data *tas5720 = snd_soc_codec_get_drvdata(codec); unsigned int first_slot; int ret;
@@ -185,6 +186,16 @@ static int tas5720_set_dai_tdm_slot(struct snd_soc_dai *dai, if (ret < 0) goto error_snd_soc_update_bits;
+ /* Configure TDM slot width. This is only applicable to TAS5722. */ + if (tas5720->devtype == TAS5722) { + ret = snd_soc_update_bits(codec, TAS5722_DIGITAL_CTRL2_REG, + TAS5722_TDM_SLOT_16B, + slot_width == 16 ? + TAS5722_TDM_SLOT_16B : 0); + if (ret < 0) + goto error_snd_soc_update_bits; + } + return 0;
error_snd_soc_update_bits: