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* [PATCH] ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
@ 2018-07-31 10:52 Aaron Ma
  2018-08-12 11:14 ` Rafael J. Wysocki
  0 siblings, 1 reply; 2+ messages in thread
From: Aaron Ma @ 2018-07-31 10:52 UTC (permalink / raw)
  To: linux-kernel, linux-acpi, rjw, aaron.ma

Like on X1C6, on X1Y3 EC interrupts constantly wake up system from
s2idle, the power consumption is extremely high.
So make ec_no_wakeup be true as default to keep system in s2idle mode
and reduce power consumption.

Power button works when ec_no_wakeup=true.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
---
 drivers/acpi/ec.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 917f77f4cb55..6291d5c77267 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2045,6 +2045,13 @@ static const struct dmi_system_id acpi_ec_no_wakeup[] = {
 			DMI_MATCH(DMI_PRODUCT_FAMILY, "Thinkpad X1 Carbon 6th"),
 		},
 	},
+	{
+		.ident = "ThinkPad X1 Yoga 3rd",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Yoga 3rd"),
+		},
+	},
 	{ },
 };
 
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
  2018-07-31 10:52 [PATCH] ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd Aaron Ma
@ 2018-08-12 11:14 ` Rafael J. Wysocki
  0 siblings, 0 replies; 2+ messages in thread
From: Rafael J. Wysocki @ 2018-08-12 11:14 UTC (permalink / raw)
  To: Aaron Ma; +Cc: linux-kernel, linux-acpi

On Tuesday, July 31, 2018 12:52:39 PM CEST Aaron Ma wrote:
> Like on X1C6, on X1Y3 EC interrupts constantly wake up system from
> s2idle, the power consumption is extremely high.
> So make ec_no_wakeup be true as default to keep system in s2idle mode
> and reduce power consumption.
> 
> Power button works when ec_no_wakeup=true.
> 
> Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
> ---
>  drivers/acpi/ec.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> index 917f77f4cb55..6291d5c77267 100644
> --- a/drivers/acpi/ec.c
> +++ b/drivers/acpi/ec.c
> @@ -2045,6 +2045,13 @@ static const struct dmi_system_id acpi_ec_no_wakeup[] = {
>  			DMI_MATCH(DMI_PRODUCT_FAMILY, "Thinkpad X1 Carbon 6th"),
>  		},
>  	},
> +	{
> +		.ident = "ThinkPad X1 Yoga 3rd",
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Yoga 3rd"),
> +		},
> +	},
>  	{ },
>  };
>  
> 

Applied, thanks!



^ permalink raw reply	[flat|nested] 2+ messages in thread

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