From: LCID Fire <lcid-fire@gmx.net>
To: alsa-devel@alsa-project.org
Subject: Hints for usb audio patch
Date: Wed, 05 Nov 2008 12:07:19 +0100 [thread overview]
Message-ID: <49117E67.8000100@gmx.net> (raw)
Hi.
I have a patch lying around for some month now and would need some hints
how to correctly implement it.
1. What's the correct way to save the state of a special feature? There
is a switch which turns on a certain feature in the usb mixer. Looking
at the struct usb_mixer_interface I implemented it similar to
"audigy2nx_leds" - by adding a new u8 (and the necessary functions).
2. Should one rather set ignore_ctl_error to 1 (which I currently do) or
sort the errors out by adding a handling for a specific device?
3. For the switch to active I need an interrupt message for which I
implemented snd_usb_interrupt_trans since I did not find any other
convenience function to do this.
next reply other threads:[~2008-11-05 11:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-05 11:07 LCID Fire [this message]
2008-11-07 14:20 ` Hints for usb audio patch Clemens Ladisch
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