Revert "Fix large blacklevel step. Lower 25% of shades are now accessible."

This reverts commit 8061822f0cba9caa9d957b85a8284ab3120aaf3e.

1 files changed, 4 insertions, 6 deletions

diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp
index 3ed1beb..d520199 100644
--- a/src/drivers/St7789.cpp
+++ b/src/drivers/St7789.cpp
@@ -23,7 +23,7 @@ void St7789::Init() {
   RowAddressSet();
   DisplayInversionOn();
   NormalModeOn();
-  SetVdv();
+  SetGamma();
   DisplayOn();
 }
 
@@ -115,11 +115,9 @@ void St7789::WriteToRam() {
   WriteCommand(static_cast<uint8_t>(Commands::WriteToRam));
 }
 
-void St7789::SetVdv() {
-  // By default there is a large step from pixel brightness zero to one.
-  // After experimenting with VCOMS, VRH and VDV, this was found to produce good results.
-  WriteCommand(static_cast<uint8_t>(Commands::VdvSet));
-  WriteData(0x10);
+void St7789::SetGamma() {
+  WriteCommand(static_cast<uint8_t>(Commands::GammaSet));
+  WriteData(0x04);
 }
 
 void St7789::DisplayOff() {