1SND_PCM_HW_CONSTRAIN(9)             PCM API            SND_PCM_HW_CONSTRAIN(9)
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NAME

6       snd_pcm_hw_constraint_step - add a hw constraint step rule
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SYNOPSIS

9       int snd_pcm_hw_constraint_step(struct snd_pcm_runtime * runtime,
10                                      unsigned int cond,
11                                      snd_pcm_hw_param_t var,
12                                      unsigned long step);
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ARGUMENTS

15       runtime
16           PCM runtime instance
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18       cond
19           condition bits
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21       var
22           hw_params variable to apply the step constraint
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24       step
25           step size
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RETURN

28       Zero if successful, or a negative error code on failure.
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31Kernel Hackers Manual 3.10         June 2019           SND_PCM_HW_CONSTRAIN(9)
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