Re: [PATCH v2 3/3] platform/x86: x86-android-tablets: Add Yoga Book audio GPIOs

[Dmitry Torokhov]

Hi Maurizio,

On Fri, Aug 28, 2026 at 01:17:00AM +0200, Maurizio Casciano wrote:
> The Yoga Book YB1-X91F/L uses two GPIOs provided by the RT5677 codec
> itself. GPIO2 enables the second speaker amplifier and GPIO4 enables the
> headphone path, but ACPI does not map either signal.
> 
> Add lookup entries for the codec device so the Yoga Book ASoC machine
> driver can request both controls by function name. Register and remove
> the table with the tablet description lifetime.
> 
> Signed-off-by: Maurizio Casciano <mauriziocasciano7@xxxxxxxxx>
> Assisted-by: LLM sparse
> ---
>  drivers/platform/x86/x86-android-tablets/lenovo.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c
> index 88693b9a1b01..8a69194a724e 100644
> --- a/drivers/platform/x86/x86-android-tablets/lenovo.c
> +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c
> @@ -345,6 +345,16 @@ static const struct x86_i2c_client_info lenovo_yogabook_x91_i2c_clients[] __init
>  	},
>  };
>  
> +static struct gpiod_lookup_table lenovo_yb1_x91_rt5677_gpios = {
> +	.dev_id = "i2c-10EC5677:00",
> +	.table = {
> +		/* GPIO2 drives the second speaker amp; GPIO4 drives headphones. */
> +		GPIO_LOOKUP("rt5677", 2, "speaker-enable2", GPIO_ACTIVE_HIGH),
> +		GPIO_LOOKUP("rt5677", 4, "headphone-enable", GPIO_ACTIVE_HIGH),
> +		{ }
> +	},
> +};
> +

It would be better if we used software nodes here instead of lookup
tables.

Thanks.

-- 
Dmitry