From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/twEGwgWK48TAAzAgDYW0im6aJJi/nZ4PjWnJfGQns79zwd2AvMn7ASXHH8QzaJdk3M97L ARC-Seal: i=1; a=rsa-sha256; t=1524406292; cv=none; d=google.com; s=arc-20160816; b=lmBwvvXF+rx4zJOhVxhKJDTXTDidgkxeRMEJGxBDfEWf5MjLWojVfS2TAoa8EKsn7j mAhq3zUM83M2cjcrOX7P5/HekqiB3n/4916dJjndGIU/bs864d6Xxx38mdZ8t6RUHMjC GFOf8dbCd4LDBwGQLW3Fa9omuc91tB7ilrtcYCzeSp4WUZyPdSly+MmW9RvHmkeMKedV rNamtLQkkE/8ZFzTbmk1/ZXlLw0Lz0kR/Bdl7ab7ZHXddL5JQZaB1kOv58aKeGykECXx nhL41wDjD1KPdninUdju5gzBZ9oZ9BBdkb2lfJoIeJhTENkL/q6qDliMBIf86MNWaK3P fBbg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=S0g/MyTKaDSmjU4Hbe4o+vv4xwAvxmZLg127AVfWkLk=; b=OeChp5THQGlL8Xnx7HQrOANzA9u1cHuLnqKczRk1AoV0pEGhySJZLZxRe9ZjBJVGqZ SEu0DmC0ZLW3lr9bNY/SyFY0ZZ/JwJnA3eWG+Mzd3yYD9mut/eRNDh/kSD3YHiRUwusl lC/09dfadmqM+5dyEBhE6+ELsDOmUvWMC0izi+b0KJThANfIhJ4UcsymvwUTMkWNwIkv Xcy5Me4RvXtOwfDL1iZsMSS9mvSFtoB3v+vitsZozVKtxcwR7g4TSGocnqKNaSl9Hy5S bEGFhhs+efknlctz0ruyl3hwuPIPlUlIK9wVrt7Z81l2iCJlhQkqeuJeUbvMCJSz/d3v OQ5Q== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , "Rafael J. Wysocki" Subject: [PATCH 4.9 18/95] ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E Date: Sun, 22 Apr 2018 15:52:47 +0200 Message-Id: <20180422135211.186445612@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180422135210.432103639@linuxfoundation.org> References: <20180422135210.432103639@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1598454876969505713?= X-GMAIL-MSGID: =?utf-8?q?1598455852147090592?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede commit bbf038618a24d72e2efc19146ef421bb1e1eda1a upstream. Just like many other Samsung models, the 670Z5E needs to use the acpi-video backlight interface rather then the native one for backlight control to work, add a quirk for this. Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1557060 Cc: All applicable Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/video_detect.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -214,6 +214,15 @@ static const struct dmi_system_id video_ }, }, { + /* https://bugzilla.redhat.com/show_bug.cgi?id=1557060 */ + .callback = video_detect_force_video, + .ident = "SAMSUNG 670Z5E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "670Z5E"), + }, + }, + { /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */ .callback = video_detect_force_video, .ident = "SAMSUNG 730U3E/740U3E",