linux-kernel - Re: [PATCH 2/2] ASoC: wm8960: Make automatic the default clocking mode

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Message-ID: <20230731150840.GO103419@ediswmail.ad.cirrus.com>
Date:   Mon, 31 Jul 2023 15:08:40 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Mark Brown <broonie@...nel.org>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, <patches@...nsource.cirrus.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] ASoC: wm8960: Make automatic the default clocking
 mode

On Mon, Jul 31, 2023 at 11:47:03AM +0100, Mark Brown wrote:
> The wm8960 driver supports an automatic clocking mode which will use the
> MCLK directly where possible and fall back to the PLL if there is no
> suitable configuration directly using the MCLK.  Clock 0 will be used by
> the generic cards when configuring things, currently this is a MCLK only
> mode but using AUTO mode would be more functional.  Since the driver
> still prefers to use MCLK directly where possible there should be no
> negative impact on systems which are able to use MCLK directly.
> 
> As far as I can see nothing is using the system clock as part of the
> ABI, the only reference I can see to a mode in a machine driver is the
> Freescale i.MX card which uses the automatic mode with an explicit in
> kernel call using the constant so will be unaffected.
> 
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---

Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Thanks,
Charles