On Sun, Jul 17, 2011 at 4:37 AM, Daniel Mack <zon...@gmail.com> wrote:
> Interface 3 is the MIDI streaming interface, and
> snd_usb_create_mixer() shouldn't find any controls there. I assume
> there is a confusion in the usage of mixer->chip_ctrl_if, and the code
> there also seems wrong. Can you test whether the attached patch fixes
> the problem for you?
Still no mixer controls showing up under alsamixer. On selecting
hw:1, I get this dead center:
Internal
<Scarlett 18i6 USB-Sync>
with no controls.
I did fire up pulseaudio and pavucontrol, and I got 4.1 controls in
the Output Devices for the 18i6. The left and right channel sliders
work as expected for the monitor and headphone outs. There isn't
anything listed under the "Input Devices" in pavucontrol, though.
There is a proc entry for the usbmixer. It may have been there prior
to your last patch (I can double check if you like). Only thought to
look at it after seeing the controls under pulseaudio.
% cat /proc/asound/card1/usbmixer
USB Mixer: usb_id=0x12358004, ctrlif=0, ctlerr=0
Card: Focusrite Scarlett 18i6 USB at usb-0000:00:0b.1-8, high speed
USB Mixer: usb_id=0x12358004, ctrlif=0, ctlerr=0
Card: Focusrite Scarlett 18i6 USB at usb-0000:00:0b.1-8, high speed
Unit: 40
Control: name="Scarlett 18i6 USB-Sync", index=0
Info: id=40, control=1, cmask=0x0, channels=1, type="U8"
Volume: min=1, max=3, dBmin=0, dBmax=0
Not sure if this is useful information out of amixer...
% amixer -D hw:1 scontents
Simple mixer control 'Scarlett 18i6 USB-Sync',0
Capabilities: enum
Items: 'Internal' 'S/PDIF' 'ADAT'
Item0: 'Internal'
% amixer -D hw:1 scontrols
Simple mixer control 'Scarlett 18i6 USB-Sync',0
% amixer -D hw:1 controls
numid=1,iface=MIXER,name='Scarlett 18i6 USB-Sync'
nicolai
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