1SND_PCM_ADD_CHMAP_CT(9)             PCM API            SND_PCM_ADD_CHMAP_CT(9)
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NAME

6       snd_pcm_add_chmap_ctls - create channel-mapping control elements
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SYNOPSIS

9       int snd_pcm_add_chmap_ctls(struct snd_pcm * pcm, int stream,
10                                  const struct snd_pcm_chmap_elem * chmap,
11                                  int max_channels,
12                                  unsigned long private_value,
13                                  struct snd_pcm_chmap ** info_ret);
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ARGUMENTS

16       pcm
17           the assigned PCM instance
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19       stream
20           stream direction
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22       chmap
23           channel map elements (for query)
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25       max_channels
26           the max number of channels for the stream
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28       private_value
29           the value passed to each kcontrolĀ“s private_value field
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31       info_ret
32           store struct snd_pcm_chmap instance if non-NULL
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DESCRIPTION

35       Create channel-mapping control elements assigned to the given PCM
36       stream(s). Returns zero if succeed, or a negative error value.
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39Kernel Hackers Manual 2.6.         June 2019           SND_PCM_ADD_CHMAP_CT(9)
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