From: Andreas Dannenberg <[email protected]>

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 <[email protected]>
Signed-off-by: Andrew F. Davis <[email protected]>
---
 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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