64 lines
2.1 KiB
Diff
64 lines
2.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Marcus Cooper <codekipper@gmail.com>
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Date: Fri, 30 Oct 2020 15:46:39 +0100
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Subject: [PATCH] ASoC: sun4i-i2s: Add 20 and 24 bit support
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Extend the functionality of the driver to include support of 20 and
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24 bits per sample.
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Signed-off-by: Marcus Cooper <codekipper@gmail.com>
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Acked-by: Maxime Ripard <mripard@kernel.org>
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Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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Signed-off-by: Clément Péron <peron.clem@gmail.com>
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Link: https://lore.kernel.org/r/20201030144648.397824-7-peron.clem@gmail.com
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Signed-off-by: Mark Brown <broonie@kernel.org>
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---
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sound/soc/sunxi/sun4i-i2s.c | 11 +++++++++--
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1 file changed, 9 insertions(+), 2 deletions(-)
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diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
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index 46e4da18c27f..786731191d90 100644
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--- a/sound/soc/sunxi/sun4i-i2s.c
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+++ b/sound/soc/sunxi/sun4i-i2s.c
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@@ -600,6 +600,9 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream,
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case 16:
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width = DMA_SLAVE_BUSWIDTH_2_BYTES;
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break;
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+ case 32:
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+ width = DMA_SLAVE_BUSWIDTH_4_BYTES;
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+ break;
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default:
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dev_err(dai->dev, "Unsupported physical sample width: %d\n",
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params_physical_width(params));
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@@ -1081,6 +1084,10 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai)
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return 0;
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}
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+#define SUN4I_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
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+ SNDRV_PCM_FMTBIT_S20_LE | \
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+ SNDRV_PCM_FMTBIT_S24_LE)
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+
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static struct snd_soc_dai_driver sun4i_i2s_dai = {
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.probe = sun4i_i2s_dai_probe,
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.capture = {
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@@ -1088,14 +1095,14 @@ static struct snd_soc_dai_driver sun4i_i2s_dai = {
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.channels_min = 1,
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.channels_max = 8,
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.rates = SNDRV_PCM_RATE_8000_192000,
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- .formats = SNDRV_PCM_FMTBIT_S16_LE,
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+ .formats = SUN4I_FORMATS,
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},
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.playback = {
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.stream_name = "Playback",
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.channels_min = 1,
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.channels_max = 8,
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.rates = SNDRV_PCM_RATE_8000_192000,
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- .formats = SNDRV_PCM_FMTBIT_S16_LE,
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+ .formats = SUN4I_FORMATS,
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},
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.ops = &sun4i_i2s_dai_ops,
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.symmetric_rates = 1,
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