[alsa-devel] Signaling user-space through kcontrol

Patrick Lai plai at codeaurora.org
Wed Sep 28 08:14:36 CEST 2011

Hi Mark,

The codec I am working on, beside headset detection, also have other
type of events to be propagated to user space. Per our discussion at
IPC, there is way to signal user-space through kcontrol. Is it through 
calling snd_ctl_notify()? What is the ALSA library API to intercept the 
event? Is there an sample user-space code which gets kcontrol event?


Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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