[alsa-devel] [RFC] ASoC: Add machine driver for i.MX SGTL500 based boards

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Jul 6 01:25:38 CEST 2011

On Tue, Jul 05, 2011 at 06:56:45PM -0300, Fabio Estevam wrote:

> ,but aplay is failing:

> root at freescale /home$ aplay tone.wav
> Playing WAVE 'tone.wav' : Signed 16 bit Little Endian, Rate 44
> 100 Hz, Stereo
> asoc: platform imx-pcm-audio.0 hw params failed
> aplay: set_params:959: Unable to install hw params:

So the error message says that imx-pcm-audio.0 hw_params() doesn't
support the format you're trying to play.  You should check the code to
see why it's returning an error.

More information about the Alsa-devel mailing list