From 62848b33fb3df756fea17f31c818cd6de7a85b34 Mon Sep 17 00:00:00 2001
From: Jean-François Milants <jf@codingfield.com>
Date: Thu, 18 May 2023 15:18:56 +0200
Subject: Power optimization - Improve SPI sleep mode

Calls to Spi::Init() are not needed, pin initialization is already done in ctor().
Remove calls to Spi::Sleep()/Spi::Wakeup() to ensure that SPI CS pins are kept high even in sleep mode.
---
 src/drivers/St7789.cpp | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'src/drivers/St7789.cpp')

diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp
index ed98c06d..e18c43a3 100644
--- a/src/drivers/St7789.cpp
+++ b/src/drivers/St7789.cpp
@@ -10,7 +10,6 @@ St7789::St7789(Spi& spi, uint8_t pinDataCommand) : spi {spi}, pinDataCommand {pi
 }
 
 void St7789::Init() {
-  spi.Init();
   nrf_gpio_cfg_output(pinDataCommand);
   nrf_gpio_cfg_output(26);
   nrf_gpio_pin_set(26);
@@ -188,12 +187,10 @@ void St7789::Sleep() {
   SleepIn();
   nrf_gpio_cfg_default(pinDataCommand);
   nrf_gpio_cfg_default(26);
-  spi.Sleep();
   NRF_LOG_INFO("[LCD] Sleep");
 }
 
 void St7789::Wakeup() {
-  spi.Wakeup();
   nrf_gpio_cfg_output(pinDataCommand);
   SleepOut();
   VerticalScrollStartAddress(verticalScrollingStartAddress);
-- 
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