linux-kernel - Re: [PATCH] Asoc: wm_adsp: Add support for loading firmware with prefix name

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Date:   Wed, 29 Mar 2023 23:49:17 +0800
From:   Jianhua Lu <lujianhua000@...il.com>
To:     Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Simon Trimmer <simont@...nsource.cirrus.com>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH] Asoc: wm_adsp: Add support for loading firmware with
 prefix name

On Wed, Mar 29, 2023 at 04:38:07PM +0100, Richard Fitzgerald wrote:
> On 29/3/23 15:37, Jianhua Lu wrote:
> > On Wed, Mar 29, 2023 at 02:05:24PM +0000, Charles Keepax wrote:
> >>
> >> This direction seems slightly problematic, especially in the
> >> context of amps (which I presume this relates to, please let know
> >> if that is wrong). It would probably be better to be fixing
> >> things up such that the amp in question sets system_name when
> >> registered through DT. Generally speaking the idea is the amp
> > I also consider setting system_name when registered by DT, but I don't
> > known setting what name to it. Card name or something else?
> 
> It just has to be a unique string.
> The normal process is that Cirrus would release the firmware with the
> correct name for the platform, so the system-name matches the string in
> those release firmware files.
> 
> Do you have an official firmware for your platform?
My device is Xiaomi Pad 5 Pro, vendor releases wmfw firmware with
default name, coeff firmware with prefix name(TL, TR and BL, BR....),
don't contain a unique string in firmware name.
> 
> >>
> >> Thanks,
> >> Charles