From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Aaron Ma <aaron.ma@canonical.com>
Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH] ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
Date: Sun, 12 Aug 2018 13:14:46 +0200 [thread overview]
Message-ID: <1855499.yJd7R0ESNr@aspire.rjw.lan> (raw)
In-Reply-To: <20180731105239.22008-1-aaron.ma@canonical.com>
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!
prev parent reply other threads:[~2018-08-12 11:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 10:52 Aaron Ma
2018-08-12 11:14 ` Rafael J. Wysocki [this message]
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