Re: [PATCH] soundwire: debugfs: add root-level peripherals table

[Vinod Koul]

On 04-09-26, 15:47, Pierre-Louis Bossart wrote:
> On 9/4/26 13:36, Liao, Bard wrote:
> > 
> > 
> >> -----Original Message-----
> >> From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxx>
> >> Sent: Friday, September 4, 2026 3:35 PM
> >> To: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>; linux-
> >> sound@xxxxxxxxxxxxxxx; vkoul@xxxxxxxxxx
> >> Cc: vinod.koul@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> >> peter.ujfalusi@xxxxxxxxxxxxxxx; Liao, Bard <bard.liao@xxxxxxxxx>
> >> Subject: Re: [PATCH] soundwire: debugfs: add root-level peripherals table
> >>
> >> On 9/2/26 10:18, Bard Liao wrote:
> >>> The table will let user know what peripherals are listed and get the
> >>> detected status by the dev_num.
> >>
> >> This sounds useful indeed, but does this need to be in debugfs?
> >>
> >> We already have a sysfs entry for every peripheral listed in ACPI. Each
> >> peripheral will have a set of properties extracted from DisCo tables,
> >> could we piggy-back on all this and just expose the dev_num?
> > 
> > It is convenient for the user to get all information on top of the
> > soundwire folder instead of looking for the information one by one
> > in each peripheral folder.
> Right, but as Charles suggested one could use a script to provide the
> information in a more self-explanatory format.
> That script could even be added to 'alsa-info' and make existing reports
> better without needing kernel changes.

Yep, and debugfs maynot be on all platform, sysfs is...


-- 
~Vinod