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[ion/device/display] Send gamma calibration on panel 0x4E4101

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This commit is contained in:
Romain Goyet
2019-05-24 11:59:10 +02:00
parent 5c21670103
commit d9ee5a29b9
1 changed files with 19 additions and 0 deletions
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19
ion/src/device/shared/drivers/display.cpp
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@@ -93,6 +93,13 @@ static inline void send_command(Command c, Args... d) {
send_data(d...);
}
static void send_long_command(Command c, int length, const uint8_t * data) {
send_command(c);
for (int i=0; i<length; i++) {
send_data(data[i]);
}
}
void init() {
#if USE_DMA
initDMA();
@@ -268,6 +275,18 @@ void initPanel() {
send_command(Command::TearingEffectLineOn, 0x00);
send_command(Command::FrameRateControl, 0x1E); // 40 Hz frame rate
// Calibration
const uint8_t * gammaCalibration = nullptr;
uint32_t panelId = panelIdentifier();
if (panelId == 0x4E4101) {
const uint8_t calibration[] = {0xF0, 0x8, 0x12, 0x9, 0xC, 0x1A, 0x36, 0x57, 0x43, 0x29, 0x19, 0x15, 0x2D, 0x32};
gammaCalibration = calibration;
}
if (gammaCalibration != nullptr) {
send_long_command(Command::PositiveVoltageGammaControl, 14, gammaCalibration);
send_long_command(Command::NegativeVoltageGammaControl, 14, gammaCalibration);
}
if (Config::DisplayInversion) {
send_command(Command::DisplayInversionOn);
}