Re: [Alsa-user] 'control ... is already present' message

On Fri, Sep 11, 2015 at 9:42 AM, Clemens Ladisch wrote: > Ran Shalit wrote: >> asoc: failed to add dapm kcontrol Right HPCOM Mixer Line2L Bypass Switch: -16 >> asoc: failed to add kcontrol Right Line2R Mux >> ... >> What is the reason for the "asoc: failed to add dapm

Re: [Alsa-user] Speaker-Test Tone Duration

man speaker-test ? if -s is used the program will always only produce a single shot. SO use -l 0 (loop indefinitely) and unplug one of the speakers On Sat, 12 Sep 2015, Alan Bromborsky wrote: > I am using alsa speaker-test to set my channel gain levels with a spl > meter and alsamixer one

[Alsa-user] Speaker-Test Tone Duration

I am using alsa speaker-test to set my channel gain levels with a spl meter and alsamixer one channel at a time. If I run the follow command line - speaker-test -Dhw:PCH -c 6 -s 1 everything works fine and I hear pink noise from the front left speaker, but the tone doesn't last long

[Alsa-user] usbaudio - Stream start causes multiple urbs to be sent rapidly to isosynchronous and sync endpoints

Hi, I'm currently building a DIY High speed usb audio device and have come across some stange behaviour. When an audio stream starts (play), 12 urbs get sent (very close together) to the main isosynchronous end point, 4 urbs get sent to the sync endpoint. This is causing a buffer overrun on my