Hi all, In a previous thread Liam suggested that I should expose some driver functionality via a mixer kcontrol. I am quite new to working on ALSA stuff, so I don't really know how to go about doing this. I couldn't really find any info about kcontrols in kernel/Documentation/sound/alsa, or on the ALSA website. Basically I'd like to expose to userland a control called "De-emphasis filter" which will take the values: - ON or OFF or maybe - OFF, 32kHz, 44.1kHz, 48kHz I'm unsure which to choose, but I suspect on/off and automatically choose the correct config based on the current sampling rate - but I don't expect it matters right now. I've looked at the snd_kcontrol_new structure, and I assume that I really only need to fill in the fields and (somehow) register the structure. Any tips, or existing drivers I can look at that will give me a bit more knowledge here? Thanks Brad ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
