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

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Date:   Wed, 29 Mar 2023 16:38:07 +0100
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     Jianhua Lu <lujianhua000@...il.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>
CC:     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 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?

>> tuning is going to be specific to the enclosure/speaker involved,
>> so a generic tuning for say left amps doesn't really make a lot
>> of sense.
> I don't known about amp tuning much, my need just is loading firmware for
> more than 1 speaker amp at the platform using fdt.
> 
> One of the both way is good to me.
>>
>> Thanks,
>> Charles