linux-kernel - Re: [PATCH] ASoC: codecs: rtq9128: Add TDM data source selection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZRPyMolOIjLBWXPC@finisterre.sirena.org.uk>
Date:   Wed, 27 Sep 2023 11:13:22 +0200
From:   Mark Brown <broonie@...nel.org>
To:     cy_huang@...htek.com
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Allen Lin <allen_lin@...htek.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: codecs: rtq9128: Add TDM data source selection

On Wed, Sep 27, 2023 at 10:06:16AM +0800, cy_huang@...htek.com wrote:

> Since rtq9128 can support 4 channel I2S mode audio data, there are two
> dedicated data input pins for CH12 and CH34.  But in TDM mode, input
> source was already drived on one data pin for multiple data slots. In
> this case, only one input source is needed for TDM mode.
> 
> This patch is to add the data source pin selection for CH12 and CH34.

> +	SOC_ENUM("CH12 TDM Data Select", rtq9128_ch12_tdm_data_select_enum),
> +	SOC_ENUM("CH34 TDM Data Select", rtq9128_ch34_tdm_data_select_enum),

Is this something that's going to be changing dynamically at runtime or
should this be a device property that's set either by firmware or when
we're doing the TDM setup?  This sounds like something I'd expect to be
fixed by the board design.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)