Steinwendtner wrote: > I' m using an evaluation board with a cx20709 audio codec. This board is connected via usb to > my laptop. It uses the snd_usb_audio module. > There are some buttons (vol+, vol-, mute) and leds on the board. > Audio is working fine. I use the alsalib to access it. > > My question is, how can I access those gpio's ? > When I press e.g. the vol button, I see the volume slider on the gnome desktop window. But > I would like to access this via my application, too. > I could not find any alsa api calls for this. This is probably done with an HID interface, in which case you have to use the corresponding input device. Regards, Clemens ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
