asrc_format is more inteligent, which is align with the alsa definition snd_pcm_format_t, we don't need to convert it to format in driver, and it can distinguish S24_LE & S24_3LE.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- sound/soc/fsl/fsl_asrc.c | 19 ++++++------------- sound/soc/fsl/fsl_asrc.h | 4 ++-- sound/soc/fsl/fsl_asrc_dma.c | 15 ++++++++++++--- 3 files changed, 20 insertions(+), 18 deletions(-)
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 0dcebc24c312..3460ff7f92e2 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; @@ -1052,16 +1046,15 @@ 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-format", &asrc_priv->asrc_format); 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) { - dev_warn(&pdev->dev, "unsupported width, switching to 24bit\n"); - asrc_priv->asrc_width = 24; + if (!(FSL_ASRC_FORMATS & (1ULL << asrc_priv->asrc_format))) { + dev_warn(&pdev->dev, "unsupported format, switching to S24_LE\n"); + asrc_priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE; }
platform_set_drvdata(pdev, asrc_priv); 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..af6b583aa71e 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -146,7 +146,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, struct device *dev_be; u8 dir = tx ? OUT : IN; dma_cap_mask_t mask; - int ret; + int ret, bits;
/* Fetch the Back-End dma_data from DPCM */ for_each_dpcm_be(rtd, stream, dpcm) { @@ -230,10 +230,19 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, return -EINVAL; }
- if (asrc_priv->asrc_width == 16) + bits = snd_pcm_format_physical_width(asrc_priv->asrc_format); + if (bits < 8 || bits > 64) + return -EINVAL; + else if (bits == 8) + buswidth = DMA_SLAVE_BUSWIDTH_1_BYTE; + else if (bits == 16) buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES; - else + else if (bits == 24) + buswidth = DMA_SLAVE_BUSWIDTH_3_BYTES; + else if (bits <= 32) buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES; + else + buswidth = DMA_SLAVE_BUSWIDTH_8_BYTES;
config_be.direction = DMA_DEV_TO_DEV; config_be.src_addr_width = buswidth;