[alsa-devel] uda1380 and pxa255 plays nothing but noise

[Mark Brown]

On Tue, Aug 07, 2012 at 09:18:41PM +0200, nerwusek wrote:

> I'm trying to enable sound on my iPAQ h2200 device using ALSA ASoC.
> I've created driver basing on hx4700.c and magician.c files, but I
> can't hear is anything. When I am playing music on device file
> uda1380-codec.0-0018/dapm/Playback shows that stream Playback is
> active, but in DAC that stream is inactive (but DAC is on). I also
> noticed that on I2S bus is nothing going on. I've lost many hours on
> looking for problem. Is there anyone who could help me?

Have you checked that the output isn't muted, has the audio routed to
the output you're using and has a suitable volume?