Re: [PATCH v5 2/7] ASoC: tegra: Allow 24bit and 32bit samples

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18.10.2019 18:48, Ben Dooks пишет:
> From: Edward Cragg <edward.cragg@xxxxxxxxxxxxxxx>
> 
> The tegra3 audio can support 24 and 32 bit sample sizes so add the
> option to the tegra30_i2s_hw_params to configure the S24_LE or S32_LE
> formats when requested.
> 
> Signed-off-by: Edward Cragg <edward.cragg@xxxxxxxxxxxxxxx>
> [ben.dooks@xxxxxxxxxxxxxxx: fixup merge of 24 and 32bit]
> [ben.dooks@xxxxxxxxxxxxxxx: add pm calls around ytdm config]
> [ben.dooks@xxxxxxxxxxxxxxx: drop debug printing to dev_dbg]
> Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
> ---
> squash 5aeca5a055fd ASoC: tegra: i2s: pm_runtime_get_sync() is needed in tdm code
> 
> ASoC: tegra: i2s: pm_runtime_get_sync() is needed in tdm code
> ---
>  sound/soc/tegra/tegra30_i2s.c | 25 ++++++++++++++++++++-----
>  1 file changed, 20 insertions(+), 5 deletions(-)
> 
> diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
> index 73f0dddeaef3..063f34c882af 100644
> --- a/sound/soc/tegra/tegra30_i2s.c
> +++ b/sound/soc/tegra/tegra30_i2s.c
> @@ -127,7 +127,7 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
>  	struct device *dev = dai->dev;
>  	struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai);
>  	unsigned int mask, val, reg;
> -	int ret, sample_size, srate, i2sclock, bitcnt;
> +	int ret, sample_size, srate, i2sclock, bitcnt, audio_bits;
>  	struct tegra30_ahub_cif_conf cif_conf;
>  
>  	if (params_channels(params) != 2)
> @@ -137,8 +137,19 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
>  	switch (params_format(params)) {
>  	case SNDRV_PCM_FORMAT_S16_LE:
>  		val = TEGRA30_I2S_CTRL_BIT_SIZE_16;
> +		audio_bits = TEGRA30_AUDIOCIF_BITS_16;
>  		sample_size = 16;
>  		break;
> +	case SNDRV_PCM_FORMAT_S24_LE:
> +		val = TEGRA30_I2S_CTRL_BIT_SIZE_24;
> +		audio_bits = TEGRA30_AUDIOCIF_BITS_24;
> +		sample_size = 24;
> +		break;
> +	case SNDRV_PCM_FORMAT_S32_LE:
> +		val = TEGRA30_I2S_CTRL_BIT_SIZE_32;
> +		audio_bits = TEGRA30_AUDIOCIF_BITS_32;
> +		sample_size = 32;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -170,8 +181,8 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
>  	cif_conf.threshold = 0;
>  	cif_conf.audio_channels = 2;
>  	cif_conf.client_channels = 2;
> -	cif_conf.audio_bits = TEGRA30_AUDIOCIF_BITS_16;
> -	cif_conf.client_bits = TEGRA30_AUDIOCIF_BITS_16;
> +	cif_conf.audio_bits = audio_bits;
> +	cif_conf.client_bits = audio_bits;
>  	cif_conf.expand = 0;
>  	cif_conf.stereo_conv = 0;
>  	cif_conf.replicate = 0;
> @@ -306,14 +317,18 @@ static const struct snd_soc_dai_driver tegra30_i2s_dai_template = {
>  		.channels_min = 2,
>  		.channels_max = 2,
>  		.rates = SNDRV_PCM_RATE_8000_96000,
> -		.formats = SNDRV_PCM_FMTBIT_S16_LE,
> +		.formats = SNDRV_PCM_FMTBIT_S32_LE |
> +			   SNDRV_PCM_FMTBIT_S24_LE |
> +			   SNDRV_PCM_FMTBIT_S16_LE,
>  	},
>  	.capture = {
>  		.stream_name = "Capture",
>  		.channels_min = 2,
>  		.channels_max = 2,
>  		.rates = SNDRV_PCM_RATE_8000_96000,
> -		.formats = SNDRV_PCM_FMTBIT_S16_LE,
> +		.formats = SNDRV_PCM_FMTBIT_S32_LE |
> +			   SNDRV_PCM_FMTBIT_S24_LE |
> +			   SNDRV_PCM_FMTBIT_S16_LE,
>  	},
>  	.ops = &tegra30_i2s_dai_ops,
>  	.symmetric_rates = 1,
> 

Hello,

This patch breaks audio on Tegra30. I don't see errors anywhere, but
there is no audio and reverting this patch helps. Please fix it.
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