ALSA: dice: remove local frag of force_two_pcms
authorTakashi Sakamoto <o-takashi@sakamocchi.jp>
Wed, 2 May 2018 10:16:51 +0000 (19:16 +0900)
committerTakashi Iwai <tiwai@suse.de>
Wed, 2 May 2018 14:02:08 +0000 (16:02 +0200)
commit9c367c01d3d5060a2bcb2ca76a447bdb42c83c91
treecf1b8d0a06e620c0a4fe87428a2a86b8ebadb093
parentbd2b441c5744c93b0667fdad9df3271040abda51
ALSA: dice: remove local frag of force_two_pcms

At present, to add PCM substreams for each of available tx/rx streams,
this driver uses a condition based on model-name. This is not enough
to support unknown models.

In former commits, this driver gains cache of stream formats. For models
which support protocol extension, all of available steam formats are
cached. For known models, hard-coded stream formats are used to generate
the cache. For unknown models, stream formats at current mode of sampling
transmission frequency is cached.

Anyway, at least, the cached formats are used to expose constrains of PCM
substreams for userspace applications. Thus, The cached data can be also
used to add PCM substreams themselves, instead of the name-based
conditions.

This commit obsoletes local frag of force_two_pcms.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/firewire/dice/dice-pcm.c
sound/firewire/dice/dice.c
sound/firewire/dice/dice.h