[PATCH] drm/bridge: Fix the interrupt clearing error in LT9611

[Sunyun Yang]

Incorrect clearing of the LT9611 interrupt register causes subsequent
interrupts to not be recognized.

Signed-off-by: Sunyun Yang <syyang@xxxxxxxxxxx>
---
 drivers/gpu/drm/bridge/lontium-lt9611.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index 4517aee83332..f30a2875000f 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -398,6 +398,7 @@ static irqreturn_t lt9611_irq_thread_handler(int irq, void *dev_id)
 		dev_info(lt9611->dev, "hdmi cable disconnected\n");
 
 		regmap_write(lt9611->regmap, 0x8207, 0xbf);
+		regmap_write(lt9611->regmap, 0x8207, 0xff);
 		regmap_write(lt9611->regmap, 0x8207, 0x3f);
 	}
 
@@ -406,6 +407,7 @@ static irqreturn_t lt9611_irq_thread_handler(int irq, void *dev_id)
 		dev_info(lt9611->dev, "hdmi cable connected\n");
 
 		regmap_write(lt9611->regmap, 0x8207, 0x7f);
+		regmap_write(lt9611->regmap, 0x8207, 0xff);
 		regmap_write(lt9611->regmap, 0x8207, 0x3f);
 	}
 
-- 
2.34.1