[alsa-devel] About 'SNDRV_PCM_CLASS_MULTI' for devices with multi-channels
mocchi.sakamoto113 at gmail.com
Thu Feb 20 03:28:48 CET 2014
(My message was not delivered by ALSA's mailman...)
>> I have two questions about the usage of this macro.
>> Should I use this macro for new drivers which I'm working for?'
>> My drivers support some firewire devices, which is desinged for
>> studio-use and have many channels. Its combination of channels are not
>> designed for surround sound like 5.1ch.
>> Just judging from its name, 'SNDRV_PCM_CLASS_MULTI', I should use this.
>> But there are no drivers which use this macro in current tree, against
>> my expectation that some drivers (ICE1712-pro, RME9652, 6fire usb and so
>> on) should use this macro.
>> Are there any reasons?
In current tree, there are no drivers which uses this macro.
As long as I investigated in ftp server, this macro is firstly added in
ALSA 0.9.0beta1 (2001/02/21). So this macro has been ignored over 10
o-takashi at sakamocchi.jp
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