X1/X1 Plus variant of the said device comes in either FHD+ OLED or FHD+
LCD panel, and shares the same model number UX3407QA. It appears LCD
panel's brightness adjustment is PWM backlight controlled, so a
dedicated device-tree is required. Introduce dedicated compatibles with
fallback to 'asus,zenbook-a14-ux3407qa' as they are otherwise the same.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Aleksandrs Vinarskis <alex@vinarskis.com>
---
 Documentation/devicetree/bindings/arm/qcom.yaml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
index 18b5ed044f9fcc4d12f4e3baa001099b6e154af7..abdc39c025aae0ca5cdf77c58ab0e3cbe47c5108 100644
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -1083,7 +1083,13 @@ properties:
 
       - items:
           - enum:
-              - asus,zenbook-a14-ux3407qa
+              - asus,zenbook-a14-ux3407qa-lcd
+              - asus,zenbook-a14-ux3407qa-oled
+          - const: asus,zenbook-a14-ux3407qa
+          - const: qcom,x1p42100
+
+      - items:
+          - enum:
               - hp,omnibook-x14-fe1
               - lenovo,thinkbook-16
               - qcom,x1p42100-crd

-- 
2.51.0