pcm: direct - add support for channel bindings in snd_pcm_direct_query_chmaps()
pcm: direct - add support for channel bindings in snd_pcm_direct_query_chmaps()

Signed-off-by: Jaroslav Kysela <72edd5e1a572f82f059ccbb83c92b74d6cb051ff@perex.cz>

alsa-project/alsa-lib,alsa-project/alsa-lib,alsa-project/alsa-lib,alsa-project/alsa-lib