Date: Thu, 10 Oct 2013 15:10:33 +0200 From: Bertrand Petit <elrond@phoe.frmug.org> To: Hans Petter Selasky <hps@bitfrost.no> Cc: freebsd-usb@freebsd.org Subject: Re: Using a C-Media multichannel USB DAC Message-ID: <20131010131033.GN3765@memo2.memo.frmug.org> In-Reply-To: <52564ACE.30401@bitfrost.no> References: <20131010031324.GM3765@memo2.memo.frmug.org> <52564ACE.30401@bitfrost.no>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Oct 10, 2013 at 08:35:58AM +0200, Hans Petter Selasky wrote:
>
> sysctl hw.usb.uaudio.default_channels=8
Thank you, I was not aware of this sysctl, it has the intended
effect.
> The uaudio.c driver has support for talking directly to the USB HID
> interface for USB audio devices (/dev/uhid0) if you need to do some
I think I will try the userland libusb way first as it may prove
handy to allow the user to dynamically change signals routing.
--
%!PS -- Bertrand Petit
/D{def}def/E{exch}D/G{get}D/I{2 div}D/U{dup}D/L{roll}D/Y{setgray}D/N{newpath}D
/O{N 0 0 moveto}D/P{pop}D/T{translate}D currentpagedevice/PageSize G U 0 G/w E
D 1 G /h E D w I h I T 0 Y 1 setlinewidth 0 1 2 { P 120 rotate 2 4 w U mul h U
mul add sqrt I 50 add {N 50 0 3 2 L 0 360 arc stroke}for}for/s{O true charpath
pathbbox exch 4 -1 L E sub I 3 1 L sub I} D /l(bp)D 0.94 Y /Helvetica findfont
22 scalefont setfont l s P(x)s exch P T O l show showpage
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20131010131033.GN3765>