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path: root/drivers/gpu/drm/bridge/parade-ps8640.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/parade-ps8640.c')
-rw-r--r--drivers/gpu/drm/bridge/parade-ps8640.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 31e88cb39f8a..d7483c13c569 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -375,6 +375,11 @@ static int __maybe_unused ps8640_resume(struct device *dev)
gpiod_set_value(ps_bridge->gpio_reset, 1);
usleep_range(2000, 2500);
gpiod_set_value(ps_bridge->gpio_reset, 0);
+ /* Double reset for T4 and T5 */
+ msleep(50);
+ gpiod_set_value(ps_bridge->gpio_reset, 1);
+ msleep(50);
+ gpiod_set_value(ps_bridge->gpio_reset, 0);
/*
* Mystery 200 ms delay for the "MCU to be ready". It's unclear if
@@ -631,8 +636,8 @@ static int ps8640_probe(struct i2c_client *client)
if (!ps_bridge)
return -ENOMEM;
- ps_bridge->supplies[0].supply = "vdd33";
- ps_bridge->supplies[1].supply = "vdd12";
+ ps_bridge->supplies[0].supply = "vdd12";
+ ps_bridge->supplies[1].supply = "vdd33";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ps_bridge->supplies),
ps_bridge->supplies);
if (ret)