linux-kernel - [PATCH] platform/x86 alienware-wmi: lightbar LED support for Dell Inspiron 5675.

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Message-Id: <1510799707-3532-1-git-send-email-chang_liu4@dell.com>
Date:   Thu, 16 Nov 2017 10:35:07 +0800
From:   Chang Liu <foggy.liu@...il.com>
To:     dvhart@...radead.org
Cc:     linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        mario_limonciello@...l.com, Chang Liu <chang_liu4@...l.com>
Subject: [PATCH] platform/x86 alienware-wmi: lightbar LED support for Dell Inspiron 5675.

Inspiron 5675 lightbar compatible with wmi interface on alienware,
the difference lies in the zone number and color control.
Add Inspiron 5675 DMI quirks to detect by dmi_check_system.

Signed-off-by: Chang Liu <chang_liu4@...l.com>
---
 drivers/platform/x86/alienware-wmi.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
index 4eb8e1a..9d7dbd9 100644
--- a/drivers/platform/x86/alienware-wmi.c
+++ b/drivers/platform/x86/alienware-wmi.c
@@ -68,6 +68,14 @@ struct quirk_entry {
 
 static struct quirk_entry *quirks;
 
+
+static struct quirk_entry quirk_inspiron5675 = {
+	.num_zones = 2,
+	.hdmi_mux = 0,
+	.amplifier = 0,
+	.deepslp = 0,
+};
+
 static struct quirk_entry quirk_unknown = {
 	.num_zones = 2,
 	.hdmi_mux = 0,
@@ -171,6 +179,15 @@ static const struct dmi_system_id alienware_quirks[] __initconst = {
 		     },
 	 .driver_data = &quirk_asm201,
 	 },
+	 {
+	 .callback = dmi_matched,
+	 .ident = "Dell Inc. Inspiron 5675",
+	 .matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5675"),
+		     },
+	 .driver_data = &quirk_inspiron5675,
+	 },
 	{}
 };
 
-- 
2.7.4