From nobody Mon Dec 15 17:58:01 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EA2AC38A2D for ; Mon, 24 Oct 2022 12:18:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231140AbiJXMSA (ORCPT ); Mon, 24 Oct 2022 08:18:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231734AbiJXMQG (ORCPT ); Mon, 24 Oct 2022 08:16:06 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94A2280F41; Mon, 24 Oct 2022 04:56:24 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 798EAB811B8; Mon, 24 Oct 2022 11:52:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0C36C433C1; Mon, 24 Oct 2022 11:52:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666612342; bh=ZkKl/EsOt+55to666XhPgsn1/N1tcDCZ1GlCuJY/pbg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FxwvBaSIk+y+cZqDdYSFCYPav31ixjZaJDUgC9jGFwtbn3tiwrZdniwrEz5+wk5be aXsZqu3MbRREXUw4VsWB6gAXrRsFKBNC2hWXO/0FNaU6r/eUDLej2E5mq6qDMYwB+1 SFrYTc4mtBAXzo9OQOvJb3xh/BfoASbZ8v8i9e0g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , Arvid Norlander , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 4.14 161/210] ACPI: video: Add Toshiba Satellite/Portege Z830 quirk Date: Mon, 24 Oct 2022 13:31:18 +0200 Message-Id: <20221024113002.199716272@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112956.797777597@linuxfoundation.org> References: <20221024112956.797777597@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Arvid Norlander [ Upstream commit 574160b8548deff8b80b174f03201e94ab8431e2 ] Toshiba Satellite Z830 needs the quirk video_disable_backlight_sysfs_if for proper backlight control after suspend/resume cycles. Toshiba Portege Z830 is simply the same laptop rebranded for certain markets (I looked through the manual to other language sections to confirm this) and thus also needs this quirk. Thanks to Hans de Goede for suggesting this fix. Link: https://www.spinics.net/lists/platform-driver-x86/msg34394.html Suggested-by: Hans de Goede Signed-off-by: Arvid Norlander Reviewed-by: Hans de Goede Tested-by: Arvid Norlander Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/acpi_video.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 5a69260edf80..cc228e5ad2b3 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -511,6 +511,22 @@ static const struct dmi_system_id video_dmi_table[] = =3D { DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE R830"), }, }, + { + .callback =3D video_disable_backlight_sysfs_if, + .ident =3D "Toshiba Satellite Z830", + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE Z830"), + }, + }, + { + .callback =3D video_disable_backlight_sysfs_if, + .ident =3D "Toshiba Portege Z830", + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE Z830"), + }, + }, /* * Some machine's _DOD IDs don't have bit 31(Device ID Scheme) set * but the IDs actually follow the Device ID Scheme. --=20 2.35.1