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 ---
Changes from v1: - Use switch over if
sound/soc/codecs/tas5720.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/sound/soc/codecs/tas5720.c b/sound/soc/codecs/tas5720.c index 3c469112477a..6bd0e5d5347f 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_component *component = dai->component; + struct tas5720_data *tas5720 = snd_soc_component_get_drvdata(component); unsigned int first_slot; int ret;
@@ -185,6 +186,20 @@ static int tas5720_set_dai_tdm_slot(struct snd_soc_dai *dai, if (ret < 0) goto error_snd_soc_component_update_bits;
+ /* Configure TDM slot width. This is only applicable to TAS5722. */ + switch (tas5720->devtype) { + case TAS5722: + ret = snd_soc_component_update_bits(component, TAS5722_DIGITAL_CTRL2_REG, + TAS5722_TDM_SLOT_16B, + slot_width == 16 ? + TAS5722_TDM_SLOT_16B : 0); + if (ret < 0) + goto error_snd_soc_component_update_bits; + break; + default: + break; + } + return 0;
error_snd_soc_component_update_bits: