linux-kernel - RE: [PATCH 3/3] ASoC: adau1372: correct PGA enable & mute bit

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Date:   Mon, 31 Oct 2022 11:22:44 +0000
From:   "Sa, Nuno" <Nuno.Sa@...log.com>
To:     Maarten Zanders <maarten.zanders@...d.be>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
CC:     "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/3] ASoC: adau1372: correct PGA enable & mute bit



> -----Original Message-----
> From: Maarten Zanders <maarten.zanders@...d.be>
> Sent: Friday, October 28, 2022 5:26 PM
> To: Lars-Peter Clausen <lars@...afoo.de>; Sa, Nuno
> <Nuno.Sa@...log.com>; Liam Girdwood <lgirdwood@...il.com>; Mark
> Brown <broonie@...nel.org>; Jaroslav Kysela <perex@...ex.cz>; Takashi
> Iwai <tiwai@...e.com>
> Cc: Maarten Zanders <maarten.zanders@...d.be>; alsa-devel@...a-
> project.org; linux-kernel@...r.kernel.org
> Subject: [PATCH 3/3] ASoC: adau1372: correct PGA enable & mute bit
> 
> [External]
> 
> The DAPM control for PGAx uses the PGA mute bit for
> power management. This bit is active high but is set to
> non-inverted (ie when powering, it will mute).
> The ALSA control "PGA x Capture Switch" uses the active
> high PGA_ENx bit, but is set to inverted. So when
> enabling this switch, the PGA gets disabled.
> 
> To correct the behaviour, invert both these bits.
> 
> Signed-off-by: Maarten Zanders <maarten.zanders@...d.be>
> ---

Also looks like a fix so a Fixes: tag? If so, the patch should come
before ("ASoC: adau1372: add support for S24_LE mode")

- Nuno Sá