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From: Takashi Sakamoto <mocchi.sakamoto113@gmail.com>
To: David Henningsson <david.henningsson@canonical.com>,
	alsa-devel@alsa-project.org
Subject: Re: About 'SNDRV_PCM_CLASS_MULTI' for devices with multi-channels
Date: Thu, 20 Feb 2014 11:28:48 +0900	[thread overview]
Message-ID: <53056860.7090500@sakamocchi.jp> (raw)
In-Reply-To: <530508BB.6060802@canonical.com>

Hi David,
(My message was not delivered by ALSA's mailman...)

Again all,

 >> I have two questions about the usage of this macro.
 >>
 >> Should I use this macro for new drivers which I'm working for?'
 >> 
http://mailman.alsa-project.org/pipermail/alsa-devel/2014-January/071820.html
 >>
 >>
 >> 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 
years...


Regards

Takashi Sakamoto
o-takashi@sakamocchi.jp

  reply	other threads:[~2014-02-20  2:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5304C64D.3090400@sakamocchi.jp>
2014-02-19 19:40 ` About 'SNDRV_PCM_CLASS_MULTI' for devices with multi-channels David Henningsson
2014-02-20  2:28   ` Takashi Sakamoto [this message]
2014-02-20  8:02     ` Takashi Iwai
2014-02-20 14:25       ` Takashi Sakamoto
2014-02-19 17:17 Takashi Sakamoto
  -- strict thread matches above, loose matches on Subject: below --
2014-02-19 16:59 Takashi Sakamoto
2014-02-19 16:41 Takashi Sakamoto
2014-02-19 16:21 Takashi Sakamoto
2014-02-19 15:31 Takashi Sakamoto

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