5.1-channel USB sound device on 8.0-RELEASE

[Hans Petter Selasky]

On Wednesday 16 December 2009 01:55:38 Ariff Abdullah wrote:
> On Tue, 15 Dec 2009 18:52:59 +0100
>
> Hans Petter Selasky <hselasky at c2i.net> wrote:
> > On Tuesday 15 December 2009 15:11:27 MIHIRA Sanpei Yoshiro wrote:
> > > Hi.
> > >
> > >   I tested below device on 8.0-RELEASE with patch.
> > >
> > > >*1 Kyo-On DIGI(sorry,this page was writtin in Japanese)
> > > >http://www.area-powers.jp/product/usb_product/product/kyo-on/u1s
> > > >oundt4.htm l
> > >
> > >   This device is 5.1-channel USB sound device.
> > >
> > >   Without patch, ``No playback!''
> > > ugen0.6: <vendor 0x0d8c> at usbus0
> > > uaudio1: <vendor 0x0d8c product 0x0006, class 0/0, rev 1.10/0.10,
> > > addr 6> on usbus0 uaudio1: No playback!
> > > uaudio1: Record: 48000 Hz, 2 ch, 16-bit S-LE PCM format
> > > uaudio1: No midi sequencer
> > > pcm1: <USB audio> on uaudio1
> > >
> > >   With patch:
> > > uaudio1: <vendor 0x0d8c product 0x0006, class 0/0, rev 1.10/0.10,
> > > addr 6> on usb us0
> > > uaudio1: Play: 48000 Hz, 8 ch, 16-bit S-LE PCM format
> > > uaudio1: Record: 48000 Hz, 2 ch, 16-bit S-LE PCM format
> > > uaudio1: No midi sequencer
> > > pcm1: <USB audio> on uaudio1
> > >
> > >   But I could not play with mpg123, only noise.
> > >   How can I use this device on 8.0-RELEASE.
> > >
> > > Cheers.
> > > ---
> > > MIHIRA, Sanpei Yoshiro
> > > Tokyo, Japan.
> > >
> > >
> > > http://freebsd.monkey.org/freebsd-usb/200905/msg00090.html
> > >
> > > --- sys/dev/sound/usb/uaudio.c.org	2009-12-07 10:29:05.593175070
> > > +0900 +++ sys/dev/sound/usb/uaudio.c	2009-12-07 10:29:51.030304905
> > > +0900 @@ -112,7 +112,8 @@
> > >
> > >  #define	MAKE_WORD(h,l) (((h) << 8) | (l))
> > >  #define	BIT_TEST(bm,bno) (((bm)[(bno) / 8] >> (7 - ((bno) % 8))) & 1)
> > > -#define	UAUDIO_MAX_CHAN(x) (x)
> > > +#define UAUDIO_MAX_CHAN(x) (((x) < 2) ? (x) : 2)        /* XXX
> > > fixme later */ +
> > >
> > >  struct uaudio_mixer_node {
> > >  	int32_t	minval;
> >
> > Hi,
> >
> > Your audio device does not provide a 2 or 1 channel alternate
> > setting.
> >
> > Currently the PCM sound system does not support more than 2
> > channels.
>
> It does.
>
> > That's why it doesn't work.
> >
> > Feel free to start working on a more complete patch.
>
> Sent him a patch 6 months ago, without reply. Here it is, again:
>
> http://people.freebsd.org/~ariff/uaudio_multi.diff
>

Hi,

There is one more change you need to do in uaudio.c before it works. I will 
get this integrated into USB P4!

Thanks!

--HPS