From: Codrin Ciubotariu codrin.ciubotariu@microchip.com
Some ad193x codecs don't have ADCs, so they have no capture capabilities. This way, we can use this driver in multicodec cards.
Signed-off-by: Codrin Ciubotariu codrin.ciubotariu@microchip.com --- sound/soc/codecs/ad193x.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 4b60ebee491d..21a38cc9e3da 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -351,6 +351,20 @@ static struct snd_soc_dai_driver ad193x_dai = { .ops = &ad193x_dai_ops, };
+/* codec DAI instance for DAC only */ +static struct snd_soc_dai_driver ad193x_no_adc_dai = { + .name = "ad193x-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, + }, + .ops = &ad193x_dai_ops, +}; + static int ad193x_component_probe(struct snd_soc_component *component) { struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component); @@ -444,8 +458,11 @@ int ad193x_probe(struct device *dev, struct regmap *regmap,
dev_set_drvdata(dev, ad193x);
+ if (ad193x_has_adc(ad193x)) + return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x, + &ad193x_dai, 1); return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x, - &ad193x_dai, 1); + &ad193x_no_adc_dai, 1); } EXPORT_SYMBOL_GPL(ad193x_probe);