[PATCH v3 2/3] asus_wmi: Support fan boost mode on FX505DY/FX705DY

[Leonid Maksymchuk <leonmaxx@xxxxxxxxx>]

On ASUS FX505DY/FX705DY laptops fan boost mode is same as in other
TUF laptop models but have different ACPI device ID and different hotkey
code.

Signed-off-by: Leonid Maksymchuk <leonmaxx@xxxxxxxxx>
---
 drivers/platform/x86/asus-wmi.c            | 42 +++++++++++++++-------
 include/linux/platform_data/x86/asus-wmi.h |  1 +
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 723aa4d969dc..311658807dfe 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -61,6 +61,7 @@ MODULE_LICENSE("GPL");
 #define NOTIFY_KBD_BRTDWN		0xc5
 #define NOTIFY_KBD_BRTTOGGLE		0xc7
 #define NOTIFY_KBD_FBM			0x99
+#define NOTIFY_KBD_FBM_2		0xae
 
 #define ASUS_WMI_FNLOCK_BIOS_DISABLED	BIT(0)
 
@@ -195,6 +196,7 @@ struct asus_wmi {
 	int agfn_pwm;
 
 	bool fan_boost_mode_available;
+	u32 fan_boost_mode_dev_id;
 	u8 fan_boost_mode_mask;
 	u8 fan_boost_mode;
 
@@ -1611,31 +1613,46 @@ static int asus_wmi_fan_init(struct asus_wmi *asus)
 
 /* Fan mode *******************************************************************/
 
-static int fan_boost_mode_check_present(struct asus_wmi *asus)
+static int fan_boost_mode_check_device(struct asus_wmi *asus, u32 dev_id)
 {
 	u32 result;
 	int err;
 
-	asus->fan_boost_mode_available = false;
+	err = asus_wmi_get_devstate(asus, dev_id, &result);
 
-	err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
-				    &result);
-	if (err) {
-		if (err == -ENODEV)
-			return 0;
-		else
-			return err;
-	}
+	if (err)
+		return err;
 
 	if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
 			(result & ASUS_FAN_BOOST_MODES_MASK)) {
 		asus->fan_boost_mode_available = true;
+		asus->fan_boost_mode_dev_id = dev_id;
 		asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
 	}
 
 	return 0;
 }
 
+static int fan_boost_mode_check_present(struct asus_wmi *asus)
+{
+	int err;
+
+	asus->fan_boost_mode_available = false;
+	err = fan_boost_mode_check_device(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE);
+
+	if (err && err != -ENODEV)
+		return err;
+	else if (asus->fan_boost_mode_available)
+		return 0;
+
+	err = fan_boost_mode_check_device(asus,
+					  ASUS_WMI_DEVID_FAN_BOOST_MODE_2);
+	if (err == -ENODEV)
+		return 0;
+
+	return err;
+}
+
 static int fan_boost_mode_write(struct asus_wmi *asus)
 {
 	int err;
@@ -1645,7 +1662,7 @@ static int fan_boost_mode_write(struct asus_wmi *asus)
 	value = asus->fan_boost_mode;
 
 	pr_info("Set fan boost mode: %u\n", value);
-	err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
+	err = asus_wmi_set_devstate(asus->fan_boost_mode_dev_id, value,
 				    &retval);
 	if (err) {
 		pr_warn("Failed to set fan boost mode: %d\n", err);
@@ -2000,7 +2017,8 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
 		return;
 	}
 
-	if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
+	if (asus->fan_boost_mode_available &&
+			(code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_FBM_2)) {
 		fan_boost_mode_switch_next(asus);
 		return;
 	}
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 60249e22e844..714782b193b3 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -58,6 +58,7 @@
 #define ASUS_WMI_DEVID_LIGHT_SENSOR	0x00050022 /* ?? */
 #define ASUS_WMI_DEVID_LIGHTBAR		0x00050025
 #define ASUS_WMI_DEVID_FAN_BOOST_MODE	0x00110018
+#define ASUS_WMI_DEVID_FAN_BOOST_MODE_2	0x00120075
 
 /* Misc */
 #define ASUS_WMI_DEVID_CAMERA		0x00060013
-- 
2.23.0