linux-kernel - [PATCH v3 1/4] ASoC: fsl_asrc: Change asrc_width to asrc

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Message-Id: <ffd5ff2fd0e8ad03a97f6a640630cff767d73fa7.1582770784.git.shengjiu.wang@nxp.com>
Date:   Thu, 27 Feb 2020 10:41:55 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     timur@...nel.org, nicoleotsuka@...il.com, Xiubo.Lee@...il.com,
        festevam@...il.com, broonie@...nel.org,
        alsa-devel@...a-project.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/4] ASoC: fsl_asrc: Change asrc_width to asrc_format

asrc_format is more inteligent variable, which is align
with the alsa definition snd_pcm_format_t.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_asrc.c     | 23 +++++++++++------------
 sound/soc/fsl/fsl_asrc.h     |  4 ++--
 sound/soc/fsl/fsl_asrc_dma.c |  2 +-
 3 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 0dcebc24c312..2b6a1643573c 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -589,7 +589,6 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
 	unsigned int channels = params_channels(params);
 	unsigned int rate = params_rate(params);
 	struct asrc_config config;
-	snd_pcm_format_t format;
 	int ret;
 
 	ret = fsl_asrc_request_pair(channels, pair);
@@ -600,11 +599,6 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
 
 	pair->config = &config;
 
-	if (asrc_priv->asrc_width == 16)
-		format = SNDRV_PCM_FORMAT_S16_LE;
-	else
-		format = SNDRV_PCM_FORMAT_S24_LE;
-
 	config.pair = pair->index;
 	config.channel_num = channels;
 	config.inclk = INCLK_NONE;
@@ -612,11 +606,11 @@ static int fsl_asrc_dai_hw_params(struct snd_pcm_substream *substream,
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		config.input_format   = params_format(params);
-		config.output_format  = format;
+		config.output_format  = asrc_priv->asrc_format;
 		config.input_sample_rate  = rate;
 		config.output_sample_rate = asrc_priv->asrc_rate;
 	} else {
-		config.input_format   = format;
+		config.input_format   = asrc_priv->asrc_format;
 		config.output_format  = params_format(params);
 		config.input_sample_rate  = asrc_priv->asrc_rate;
 		config.output_sample_rate = rate;
@@ -946,6 +940,7 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 	int irq, ret, i;
 	u32 map_idx;
 	char tmp[16];
+	u32 width;
 
 	asrc_priv = devm_kzalloc(&pdev->dev, sizeof(*asrc_priv), GFP_KERNEL);
 	if (!asrc_priv)
@@ -1052,18 +1047,22 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = of_property_read_u32(np, "fsl,asrc-width",
-				   &asrc_priv->asrc_width);
+	ret = of_property_read_u32(np, "fsl,asrc-width", &width);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to get output width\n");
 		return ret;
 	}
 
-	if (asrc_priv->asrc_width != 16 && asrc_priv->asrc_width != 24) {
+	if (width != 16 && width != 24) {
 		dev_warn(&pdev->dev, "unsupported width, switching to 24bit\n");
-		asrc_priv->asrc_width = 24;
+		width = 24;
 	}
 
+	if (width == 24)
+		asrc_priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
+	else
+		asrc_priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
+
 	platform_set_drvdata(pdev, asrc_priv);
 	pm_runtime_enable(&pdev->dev);
 	spin_lock_init(&asrc_priv->lock);
diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h
index 8a821132d9d0..4940fa0a7542 100644
--- a/sound/soc/fsl/fsl_asrc.h
+++ b/sound/soc/fsl/fsl_asrc.h
@@ -493,7 +493,7 @@ struct fsl_asrc_pair {
  * @channel_avail: non-occupied channel numbers
  * @clk_map: clock map for input/output clock
  * @asrc_rate: default sample rate for ASoC Back-Ends
- * @asrc_width: default sample width for ASoC Back-Ends
+ * @asrc_format: default sample format for ASoC Back-Ends
  * @regcache_cfg: store register value of REG_ASRCFG
  */
 struct fsl_asrc {
@@ -514,7 +514,7 @@ struct fsl_asrc {
 	unsigned char *clk_map[2];
 
 	int asrc_rate;
-	int asrc_width;
+	snd_pcm_format_t asrc_format;
 
 	u32 regcache_cfg;
 };
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index 44e5924be870..f344360dcd24 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -230,7 +230,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
 		return -EINVAL;
 	}
 
-	if (asrc_priv->asrc_width == 16)
+	if (asrc_priv->asrc_format == SNDRV_PCM_FORMAT_S16_LE)
 		buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES;
 	else
 		buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
-- 
2.21.0