Subject: Re: No /dev/audio?
To: Nathan J. Williams <nathanw@MIT.EDU>
From: Greywolf <greywolf@starwolf.com>
List: port-i386
Date: 02/21/2001 21:02:50
On 21 Feb 2001, Nathan J. Williams wrote:

# Greywolf <greywolf@starwolf.com> writes:
#
# >     auich0 at pci0 dev 31 function 5: i82801BA (ICH2) AC-97 Audio
# >     auich0: interrupting at irq 9
# >     auich0: unknown (0xffffffff) codec; headphone, Analog Devices Phat Stereo
# >     audio0 at auich0: full duplex, mmap, independent
# >
# >
# > Okay, I can do mixer controlling via mixerctl, and I get a nice selection
# > of stuff to mute/unmute, enable, disable and tweak, but any accesses
# > to (write to) /dev/audio (-> /dev/audio0) yield "Invalid argument".
#
# > Anyone know what's up with this?  It's configured in and seems to have a
# > nice set of features.
#
# >From a glance at the driver, it only supports 48kHz audio (the only
# rate guaranteed to be supported by an ac97 codec). /dev/audio wants to
# open at 8kHz. We don't do the sample-rate conversion in software, nor
# do we probe the ac97 for it's sample rate flexibility, so /dev/audio
# loses.
#
# /dev/sound should be fine, though.

Nope.  Fails the same way.

#         - Nathan



				--*greywolf;
--
*BSD: priapic OS