Unverified Commit 6ad7ca62 authored by Marcus Cooper's avatar Marcus Cooper Committed by Mark Brown
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ASoC: sun4i-i2s: Add 20 and 24 bit support 



Extend the functionality of the driver to include support of 20 and
24 bits per sample.

Signed-off-by: default avatarMarcus Cooper <codekipper@gmail.com>
Acked-by: default avatarMaxime Ripard <mripard@kernel.org>
Reviewed-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarClément Péron <peron.clem@gmail.com>
Link: https://lore.kernel.org/r/20201030144648.397824-7-peron.clem@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent d8659dd9

sound/soc/sunxi/sun4i-i2s.c

+9 −2
Original line number Diff line number Diff line
@@ -600,6 +600,9 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, 
	case 16:

		width = DMA_SLAVE_BUSWIDTH_2_BYTES;

		break;

	case 32:

		width = DMA_SLAVE_BUSWIDTH_4_BYTES;

		break;

	default:

		dev_err(dai->dev, "Unsupported physical sample width: %d\n",

			params_physical_width(params));
@@ -1081,6 +1084,10 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) 
	return 0;

}



#define SUN4I_FORMATS	(SNDRV_PCM_FMTBIT_S16_LE | \

			 SNDRV_PCM_FMTBIT_S20_LE | \

			 SNDRV_PCM_FMTBIT_S24_LE)



static struct snd_soc_dai_driver sun4i_i2s_dai = {

	.probe = sun4i_i2s_dai_probe,

	.capture = {
@@ -1088,14 +1095,14 @@ static struct snd_soc_dai_driver sun4i_i2s_dai = { 
		.channels_min = 1,

		.channels_max = 8,

		.rates = SNDRV_PCM_RATE_8000_192000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

		.formats = SUN4I_FORMATS,

	},

	.playback = {

		.stream_name = "Playback",

		.channels_min = 1,

		.channels_max = 8,

		.rates = SNDRV_PCM_RATE_8000_192000,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

		.formats = SUN4I_FORMATS,

	},

	.ops = &sun4i_i2s_dai_ops,

	.symmetric_rates = 1,

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