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Message-Id: <20200418143923.19608-6-peron.clem@gmail.com>
Date: Sat, 18 Apr 2020 16:39:21 +0200
From: Clément Péron <peron.clem@...il.com>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Chen-Yu Tsai <wens@...e.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>
Cc: alsa-devel@...a-project.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Marcus Cooper <codekipper@...il.com>,
Clément Péron <peron.clem@...il.com>
Subject: [PATCH 5/7] ASoc: sun4i-i2s: Add 20 and 24 bit support
From: Marcus Cooper <codekipper@...il.com>
Extend the functionality of the driver to include support of 20 and
24 bits per sample.
Signed-off-by: Marcus Cooper <codekipper@...il.com>
Signed-off-by: Clément Péron <peron.clem@...il.com>
---
sound/soc/sunxi/sun4i-i2s.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index e5f00be8cdcf..a0090b5ced83 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -571,6 +571,9 @@ 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));
@@ -1057,6 +1060,10 @@ 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 = {
@@ -1064,14 +1071,14 @@ 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,
--
2.20.1
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