Re: [PATCH 1/3] ALSA: pcm: add snd_pcm_add_chmap_ctls_with_prefix

[Srinivas Kandagatla]

On 06/05/2023 06:57, Takashi Iwai wrote:
> On Fri, 05 May 2023 18:55:12 +0200,
> Srinivas Kandagatla wrote:
> > On Qualcomm SoC which has multiple Display Port controllers, using
> > snd_pcm_add_chmap_ctls() to add chmap controls from every ASoC hdmi codec
> > instance for a give card fails while adding second instance as the control
> > with same name "Playback Channel Map" already exists from the first instance.
> >
> > Fix this by adding a new api wrapper to pass ASoC component name prefix to
> > avoid such duplicate control naming.
>
> It implies that you have conflicting PCM objects with the same PCM
> device number from the same card.  How can it be?
Thanks for the inputs, this is only issue with my local changes, Sorry 
for the noise, Please ignore this series.

I had some local changes to debug an issue around pcm device numbering 
with backend dailinks from device tree and frontend dailinks from tplg.
Will start a new thread to discuss this issue.

thanks,
srini
> Takashi