[PATCH] platform/x86: asus-wmi: add support for Vivobook GPU MUX

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Adjust existing MUX support to select whichever MUX support is available
so that ASUS Vivobook MUX can also be used if detected.

Signed-off-by: Luke D. Jones <luke@xxxxxxxxxx>
---
 drivers/platform/x86/asus-wmi.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 94cc589607b3..2cf695289655 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -268,6 +268,7 @@ struct asus_wmi {
 	bool egpu_connect_available;
 	bool dgpu_disable_available;
 	bool gpu_mux_mode_available;
+	u32 gpu_mux_dev;
 
 	/* Tunables provided by ASUS for gaming laptops */
 	bool ppt_pl2_sppt_available;
@@ -682,7 +683,7 @@ static ssize_t dgpu_disable_store(struct device *dev,
 		return -EINVAL;
 
 	if (asus->gpu_mux_mode_available) {
-		result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+		result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 		if (result < 0)
 			/* An error here may signal greater failure of GPU handling */
 			return result;
@@ -748,7 +749,7 @@ static ssize_t egpu_enable_store(struct device *dev,
 	}
 
 	if (asus->gpu_mux_mode_available) {
-		result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+		result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 		if (result < 0) {
 			/* An error here may signal greater failure of GPU handling */
 			pr_warn("Failed to get gpu mux status: %d\n", result);
@@ -801,7 +802,7 @@ static ssize_t gpu_mux_mode_show(struct device *dev,
 	struct asus_wmi *asus = dev_get_drvdata(dev);
 	int result;
 
-	result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+	result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
 	if (result < 0)
 		return result;
 
@@ -847,7 +848,7 @@ static ssize_t gpu_mux_mode_store(struct device *dev,
 		}
 	}
 
-	err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
+	err = asus_wmi_set_devstate(asus->gpu_mux_dev, optimus, &result);
 	if (err) {
 		dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
 		return err;
@@ -4507,7 +4508,6 @@ static int asus_wmi_add(struct platform_device *pdev)
 	asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
 	asus->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
 	asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
-	asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX);
 	asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE);
 	asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
 	asus->ppt_pl2_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL2_SPPT);
@@ -4529,6 +4529,14 @@ static int asus_wmi_add(struct platform_device *pdev)
 		asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE2;
 	}
 
+	if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX)) {
+		asus->gpu_mux_mode_available = true;
+		asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX;
+	} else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX_VIVO)) {
+		asus->gpu_mux_mode_available = true;
+		asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX_VIVO;
+	}
+
 	err = fan_boost_mode_check_present(asus);
 	if (err)
 		goto fail_fan_boost_mode;
-- 
2.44.0





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