[PATCH] platform/x86: asus-wmi: add support variant of TUF RGB

["Luke D. Jones" <luke@ljones.dev>]

Adds support for a second TUF RGB wmi call that some versions of the TUF
laptop come with. Also adjusts existing support to select whichever is
available.

Signed-off-by: Luke D. Jones <luke@ljones.dev>
---
 drivers/platform/x86/asus-wmi.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 2cf695289655..ca8c73c15fcc 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -280,6 +280,7 @@ struct asus_wmi {
 	bool nv_temp_tgt_available;
 
 	bool kbd_rgb_mode_available;
+	u32 kbd_rgb_dev;
 	bool kbd_rgb_state_available;
 
 	bool throttle_thermal_policy_available;
@@ -870,6 +871,7 @@ static ssize_t kbd_rgb_mode_store(struct device *dev,
 				 struct device_attribute *attr,
 				 const char *buf, size_t count)
 {
+	struct asus_wmi *asus = dev_get_drvdata(dev);
 	u32 cmd, mode, r, g, b, speed;
 	int err;
 
@@ -906,7 +908,7 @@ static ssize_t kbd_rgb_mode_store(struct device *dev,
 		speed = 0xeb;
 	}
 
-	err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
+	err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, asus->kbd_rgb_dev,
 			cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
 	if (err)
 		return err;
@@ -4537,6 +4539,14 @@ static int asus_wmi_add(struct platform_device *pdev)
 		asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX_VIVO;
 	}
 
+	if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE)) {
+		asus->kbd_rgb_mode_available = true;
+		asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE;
+	} else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE2)) {
+		asus->kbd_rgb_mode_available = true;
+		asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE2;
+	}
+
 	err = fan_boost_mode_check_present(asus);
 	if (err)
 		goto fail_fan_boost_mode;
-- 
2.44.0