linux-kernel - Re: [PATCH v5 0/4] Make headphone work on Huawei Matebook D15

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Date:   Thu, 7 Apr 2022 14:01:27 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        alsa-devel@...a-project.org
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/4] Make headphone work on Huawei Matebook D15



On 4/7/22 13:49, Mauro Carvalho Chehab wrote:
> Huawei Matebook D15 uses two different GPIOs are used to control the output:
> 
> 	- gpio0 controls the speaker output;
> 	- gpio1 controls the headphone output.
> 
> Changing both at the same time cause spurious events that are mis-interpreted
> as input events, causing troubles on apps. So, a delay is needed before turning
> on such gpios.
> 
> Also, the headset microphone is connected to MIC1, instead of MIC2 port.
> 
> With this patch, plugging a headphone causes a jack event to trigger the speaker
> supply, powering down the speaker and powering up the headphone output.
> Removing the headphone also triggers the power supply, powering up the speaker
> and powering down the headphone.
> 
> The headset microphone also works. 

For the series:

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

Thanks Mauro for your work, much appreciated.

> 
> ---
> 
> v5:
>   - dropped an uneeded differential mux from the boards driver.
> 
> v4:
>   - add support for headset microphone on MIC1 port.
> 
> v3:
>   - add a patch changing GPIO quirk speaker naming. Patch 2 got rebased on the top of it.
> 
> Mauro Carvalho Chehab (3):
>   ASoC: Intel: sof_es8336: support a separate gpio to control headphone
>   ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port
>   ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15
> 
> Pierre-Louis Bossart (1):
>   ASoC: Intel: sof_es8336: simplify speaker gpio naming
> 
>  sound/soc/intel/boards/sof_es8336.c | 117 +++++++++++++++++++++-------
>  1 file changed, 89 insertions(+), 28 deletions(-)
>