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 0A7E333EC for ; Mon, 16 Jan 2023 15:57:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 839F2C433F1; Mon, 16 Jan 2023 15:57:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673884620; bh=REm43g9/hhxTTixIY3YK/AGtqEdZNUCXFeFsyxNv7iQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cif2kwv5uI0Y21NSG424WqNofHaUmMpB1pu1weALE82klhMAWwTjNBpzdoWKr3j60 bVUnspIG16KgM21XCO3zqkyndjwrBPhLfsUbCg4mY6iX9WXk+5xBzRFbx6fZIqYmqs 3OFgM/VYH86CzAuT+5Hi71+BKvyRJjrzzG0DPreQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hans de Goede , "Rafael J. Wysocki" Subject: [PATCH 6.1 045/183] ACPI: video: Allow selecting NVidia-WMI-EC or Apple GMUX backlight from the cmdline Date: Mon, 16 Jan 2023 16:49:28 +0100 Message-Id: <20230116154805.278150158@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154803.321528435@linuxfoundation.org> References: <20230116154803.321528435@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 commit 420a1116aef0e8e12c305508f45ce73e5ae30a09 upstream. The patches adding NVidia-WMI-EC and Apple GMUX backlight detection support to acpi_video_get_backlight_type(), forgot to update acpi_video_parse_cmdline() to allow manually selecting these from the commandline. Add support for these to acpi_video_parse_cmdline(). Fixes: fe7aebb40d42 ("ACPI: video: Add Nvidia WMI EC brightness control detection (v3)") Fixes: 21245df307cb ("ACPI: video: Add Apple GMUX brightness control detection") Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/video_detect.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 1b78c7434492..8a541efc5675 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -50,6 +50,10 @@ static void acpi_video_parse_cmdline(void) acpi_backlight_cmdline = acpi_backlight_video; if (!strcmp("native", acpi_video_backlight_string)) acpi_backlight_cmdline = acpi_backlight_native; + if (!strcmp("nvidia_wmi_ec", acpi_video_backlight_string)) + acpi_backlight_cmdline = acpi_backlight_nvidia_wmi_ec; + if (!strcmp("apple_gmux", acpi_video_backlight_string)) + acpi_backlight_cmdline = acpi_backlight_apple_gmux; if (!strcmp("none", acpi_video_backlight_string)) acpi_backlight_cmdline = acpi_backlight_none; } -- 2.39.0