Messages in this thread Patch in this message | | | From | "Andrew F. Davis" <> | Subject | [PATCH 4/4] ASoC: codecs: tas5720: add TAS5722 TDM slot width setting support | Date | Mon, 11 Dec 2017 13:01:57 -0600 |
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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: -- 2.15.0
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