1SND_PCM_HW_PARAM_FIR(9)             PCM API            SND_PCM_HW_PARAM_FIR(9)
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NAME

6       snd_pcm_hw_param_first - refine config space and return minimum value
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SYNOPSIS

9       int snd_pcm_hw_param_first(struct snd_pcm_substream * pcm,
10                                  struct snd_pcm_hw_params * params,
11                                  snd_pcm_hw_param_t var, int * dir);
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ARGUMENTS

14       pcm
15           PCM instance
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17       params
18           the hw_params instance
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20       var
21           parameter to retrieve
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23       dir
24           pointer to the direction (-1,0,1) or NULL
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DESCRIPTION

27       Inside configuration space defined by params remove from var all values
28       > minimum. Reduce configuration space accordingly. Return the minimum.
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31Kernel Hackers Manual 2.6.       November 2011         SND_PCM_HW_PARAM_FIR(9)
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