20 Oct
2009
20 Oct
'09
6:50 p.m.
On Tue, Oct 20, 2009 at 04:54:32PM +0100, Neil Jones wrote:
I get the error "aplay: set_params:1022: Unable to install hw params:" I have traced the problem to a failing ioctl call (snd_pcm_playback_ioctl) the error occurs in snd_pcm_hw_refine when refining the mask for the SNDRV_PCM_HW_PARAM_ACCESS mask, all the bit fields in my runtime->hw_constraints are zero for this field, but the
You should set these up with snd_soc_set_runtime_hwparams() with the flags in the info field.
requested params have the value 7, Im not sure what this means, the SNDRV_PCM_ACCESS_xxx defines in asound.h only go upto 4 ?
It's a bitmask at this point, treat those values as shifts.