Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= <peron.clem@gmail.com>
To:     Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>
Cc:     Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
        Marcus Cooper <codekipper@gmail.com>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com,
        =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= <peron.clem@gmail.com>
Subject: [PATCH v6 05/14] ASoc: sun4i-i2s: Add 20 and 24 bit support
Date:   Sat,  3 Oct 2020 16:19:41 +0200
Message-Id: <20201003141950.455829-6-peron.clem@gmail.com>
In-Reply-To: <20201003141950.455829-1-peron.clem@gmail.com>
References: <20201003141950.455829-1-peron.clem@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Marcus Cooper <codekipper@gmail.com>

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

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Clément Péron <peron.clem@gmail.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 73103673643a..ba7514849b73 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -592,6 +592,9 @@ 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));
@@ -1073,6 +1076,10 @@ 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 = {
@@ -1080,14 +1087,14 @@ 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,
-- 
2.25.1