From 60c4a59dabc42ca0a87dfe6236061a9a5ce9075f Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@dell.com>
Date: Mon, 22 Oct 2018 14:00:59 -0500
Subject: [PATCH] trivial: dell-dock: Lower MST communication speed to 400 KHz

It was identified that at least one other device on this shared
I2C bus can't operate at the speed.  This means that it may
inadvertently respond to commands intended for another device.
---
 plugins/dell-dock/fu-dell-dock-i2c-mst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/dell-dock/fu-dell-dock-i2c-mst.c b/plugins/dell-dock/fu-dell-dock-i2c-mst.c
index 21887fb3f..a57e66bad 100644
--- a/plugins/dell-dock/fu-dell-dock-i2c-mst.c
+++ b/plugins/dell-dock/fu-dell-dock-i2c-mst.c
@@ -98,7 +98,7 @@ const MSTBankAttributes esm_attributes = {
 FuHIDI2CParameters mst_base_settings = {
     .i2cslaveaddr = I2C_MST_ADDRESS,
     .regaddrlen = 0,
-    .i2cspeed = I2C_SPEED_800K,
+    .i2cspeed = I2C_SPEED_400K,
 };
 
 struct _FuDellDockMst {