SND_PCM_ADD_CHMAP_CT(9)                      PCM API                      SND_PCM_ADD_CHMAP_CT(9)



NAME
       snd_pcm_add_chmap_ctls - create channel-mapping control elements

SYNOPSIS
       int snd_pcm_add_chmap_ctls(struct snd_pcm * pcm, int stream,
                                  const struct snd_pcm_chmap_elem * chmap, int max_channels,
                                  unsigned long private_value, struct snd_pcm_chmap ** info_ret);

ARGUMENTS
       pcm
           the assigned PCM instance

       stream
           stream direction

       chmap
           channel map elements (for query)

       max_channels
           the max number of channels for the stream

       private_value
           the value passed to each kcontrol's private_value field

       info_ret
           store struct snd_pcm_chmap instance if non-NULL

DESCRIPTION
       Create channel-mapping control elements assigned to the given PCM stream(s).

RETURN
       Zero if successful, or a negative error value.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_PCM_ADD_CHMAP_CT(9)