From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 239151C15 for ; Wed, 28 Dec 2022 16:46:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 935F0C433EF; Wed, 28 Dec 2022 16:46:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672245968; bh=joUiXrawmAJHiaVDfPQdm0pzrZtel83AWOUVXLSsXaw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KZ+8VAyjk3VozFvwJRuh+k9sfXuKc2A4/gz9qHE3YV7k3TJ1p2VEtwmmcxjnTY9Hn r5JrYYLpxvDvscx3QFYVTZPhtAM+1CRzokazmhvNIKaK1ZBbzngnXYWk+KfO2Aij5E 7HJCVYJJg3mNw2S1Odmv6ssEgIIrzAsHYiQTl2bw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans de Goede , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.1 0955/1146] ACPI: video: Add force_vendor quirk for Sony Vaio PCG-FRV35 Date: Wed, 28 Dec 2022 15:41:34 +0100 Message-Id: <20221228144356.259328375@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144330.180012208@linuxfoundation.org> References: <20221228144330.180012208@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Hans de Goede [ Upstream commit 23735543eb228c604e59f99f2f5d13aa507e5db2 ] The Sony Vaio PCG-FRV35 advertises both native and vendor backlight control interfaces. With the upcoming changes to prefer native over vendor acpi_video_get_backlight_type() will start returning native on these laptops. But the native radeon_bl0 interface does not work, where as the sony vendor interface does work. Add a quirk to force use of the vendor interface. Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/video_detect.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0ab98f2e484c..8e8b435b4c8c 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -237,6 +237,19 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, }, + /* + * Models which should use the vendor backlight interface, + * because of broken native backlight control. + */ + { + .callback = video_detect_force_vendor, + /* Sony Vaio PCG-FRV35 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "PCG-FRV35"), + }, + }, + /* * Toshiba models with Transflective display, these need to use * the toshiba_acpi vendor driver for proper Transflective handling. -- 2.35.1