Re: KEF X300A speakers

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On Sat, Mar 2, 2013 at 5:38 PM, George Perkins
<george.a.perkins@xxxxxxxxx> wrote:
> I tried again and found that patches didn't work, so it must have been something else I did. Sorry about that.
> Subsequently, I've found that you can get the X300As working by commenting out the contents of snd_usb_create_mixer in the source alsa-driver-1.0.25/sound/usb/mixer.c:
> int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
> int ignore_error)
> {
> /*Comment out 52 lines*/
> }
> Of course, this isn't a ideal solution since it will prevent the mixer being created for any USB sound cards. I will try and work out how to make a patch for this particular device. But at least it gets the X300As working in Linux for now.
> When the device is selected, alsamixer doesn't crash and simply displays ' This sound device does not have any controls.'

Thanks a lot, this solution works for me! Really happy to see my new
speakers working. Can't wait for a proper alsa patch though, so I can
control the volume with my keyboard.

> If this works for you would you mind replying to the alsa-user list, since my emails are permanently 'awaiting moderator approval', even though I'm subscribed.

Try sending emails in plain text. See

> Regards
> George
Benoît Zugmeyer

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