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path: root/drivers/gpu/drm/i2c/ch7006_drv.c
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Diffstat (limited to 'drivers/gpu/drm/i2c/ch7006_drv.c')
-rw-r--r--drivers/gpu/drm/i2c/ch7006_drv.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c
index 9422a74c8b54..81681a07a806 100644
--- a/drivers/gpu/drm/i2c/ch7006_drv.c
+++ b/drivers/gpu/drm/i2c/ch7006_drv.c
@@ -408,6 +408,11 @@ static int ch7006_probe(struct i2c_client *client, const struct i2c_device_id *i
ch7006_info(client, "Detected version ID: %x\n", val);
+ /* I don't know what this is for, but otherwise I get no
+ * signal.
+ */
+ ch7006_write(client, 0x3d, 0x0);
+
return 0;
fail: