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ASoC: soc-pcm: add soc_pcm_hw_update_format()
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We have soc_pcm_hw_update_xxx() now.
This patch creates same function for format.

Signed-off-by: Kuninori Morimoto <[email protected]>
Reviewed-by: Kai Vehmanen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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morimoto authored and broonie committed Feb 12, 2021
1 parent 6cb56a4 commit debc71f
Showing 1 changed file with 10 additions and 7 deletions.
17 changes: 10 additions & 7 deletions sound/soc/soc-pcm.c
Original file line number Diff line number Diff line change
Expand Up @@ -480,6 +480,7 @@ static void soc_pcm_hw_init(struct snd_pcm_hardware *hw)
hw->rate_max = UINT_MAX;
hw->channels_min = 0;
hw->channels_max = UINT_MAX;
hw->formats = ULLONG_MAX;
}

static void soc_pcm_hw_update_rate(struct snd_pcm_hardware *hw,
Expand All @@ -502,6 +503,12 @@ static void soc_pcm_hw_update_chan(struct snd_pcm_hardware *hw,
hw->channels_max = min(hw->channels_max, p->channels_max);
}

static void soc_pcm_hw_update_format(struct snd_pcm_hardware *hw,
struct snd_soc_pcm_stream *p)
{
hw->formats &= p->formats;
}

/**
* snd_soc_runtime_calc_hw() - Calculate hw limits for a PCM stream
* @rtd: ASoC PCM runtime
Expand All @@ -519,7 +526,6 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_pcm_stream *codec_stream;
struct snd_soc_pcm_stream *cpu_stream;
unsigned int cpu_chan_min = 0, cpu_chan_max = UINT_MAX;
u64 formats = ULLONG_MAX;
int i;

soc_pcm_hw_init(hw);
Expand All @@ -540,7 +546,7 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,

soc_pcm_hw_update_chan(hw, cpu_stream);
soc_pcm_hw_update_rate(hw, cpu_stream);
formats &= cpu_stream->formats;
soc_pcm_hw_update_format(hw, cpu_stream);
}
cpu_chan_min = hw->channels_min;
cpu_chan_max = hw->channels_max;
Expand All @@ -561,7 +567,7 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,

soc_pcm_hw_update_chan(hw, codec_stream);
soc_pcm_hw_update_rate(hw, codec_stream);
formats &= codec_stream->formats;
soc_pcm_hw_update_format(hw, codec_stream);
}

/* Verify both a valid CPU DAI and a valid CODEC DAI were found */
Expand All @@ -578,9 +584,6 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
hw->channels_max = cpu_chan_max;
}

/* finally find a intersection between CODECs and CPUs */
hw->formats = formats;

return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_runtime_calc_hw);
Expand Down Expand Up @@ -1568,7 +1571,7 @@ static void dpcm_runtime_merge_format(struct snd_pcm_substream *substream,

codec_stream = snd_soc_dai_get_pcm_stream(dai, stream);

hw->formats &= codec_stream->formats;
soc_pcm_hw_update_format(hw, codec_stream);
}
}
}
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