[RFT] Major snd_hda rewrite

Andriy Gapon avg at FreeBSD.org
Sun Jan 15 09:08:14 UTC 2012

on 15/01/2012 00:17 Doug Barton said the following:
> On 01/14/2012 13:25, Steve Kargl wrote:
>> Remove dvd insert music cd in drive, 'cdcontrol play'.  The
>> drive is reading the cd and 'cdcontrol status' indicates
>> that it is playing.  No sound.
> The way that this was explained to me (and I'm certainly no expert) is
> that in the ATA-CAM world the only way the access method used by
> cdcontrol will be able to play the music is if there is a direct (wired)
> connection from the cd player to the sound card, like we had back in the
> 80's. :)  Other tools (such as vlc, mplayer, etc.) use the cdda://
> method of access, which does not rely on the wire.
> (As I understand it) this also explains why dvds work, but cds don't.

Just a note: this has nothing to do with ATA-CAM.  It has always been the case
for cdcontrol play.

Andriy Gapon

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