From 1ff28233bd6a64fab97c56861477e122e4c3eac6 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Wed, 7 Aug 2024 12:09:23 +1000
Subject: Recalibrate the touchwheel after unlocking

Also power it down whilst we're locked. This saves about half a
milliamp.
---
 src/drivers/touchwheel.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/drivers/touchwheel.cpp')

diff --git a/src/drivers/touchwheel.cpp b/src/drivers/touchwheel.cpp
index 5d55c6f2..402b839d 100644
--- a/src/drivers/touchwheel.cpp
+++ b/src/drivers/touchwheel.cpp
@@ -137,8 +137,12 @@ TouchWheelData TouchWheel::GetTouchWheelData() const {
   return data_;
 }
 
-auto TouchWheel::PowerDown() -> void {
-  WriteRegister(LOW_POWER, 0);
+auto TouchWheel::Recalibrate() -> void {
+  WriteRegister(CALIBRATE, 1);
+}
+
+auto TouchWheel::LowPowerMode(bool en) -> void {
+  WriteRegister(LOW_POWER, en ? 0 : 1);
 }
 
 }  // namespace drivers
-- 
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