1SND_PCM_HW_PARAM_VAL(9)             PCM API            SND_PCM_HW_PARAM_VAL(9)
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NAME

6       snd_pcm_hw_param_value - return params field var value
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SYNOPSIS

9       int snd_pcm_hw_param_value(const struct snd_pcm_hw_params * params,
10                                  snd_pcm_hw_param_t var, int * dir);
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ARGUMENTS

13       params
14           the hw_params instance
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16       var
17           parameter to retrieve
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19       dir
20           pointer to the direction (-1,0,1) or NULL
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DESCRIPTION

23       Return the value for field var if it's fixed in configuration space
24       defined by params. Return -EINVAL otherwise.
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27Kernel Hackers Manual 2.6.       November 2011         SND_PCM_HW_PARAM_VAL(9)
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