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Don't tickle Bluetooth PS4 controllers in simple mode with an effects packet

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That will put the PS4 controller into enhanced mode, which breaks DirectInput games
This commit is contained in:
Sam Lantinga
2023-07-07 15:55:40 -07:00
parent 785f57eb91
commit efed24850a
1 changed files with 16 additions and 7 deletions
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9
src/joystick/hidapi/SDL_hidapi_ps4.c
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@@ -643,6 +643,9 @@ static int HIDAPI_DriverPS4_UpdateEffects(SDL_HIDAPI_Device *device)
static void HIDAPI_DriverPS4_TickleBluetooth(SDL_HIDAPI_Device *device)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
if (ctx->enhanced_mode) {
/* This is just a dummy packet that should have no effect, since we don't set the CRC */
Uint8 data[78];
@@ -654,6 +657,12 @@ static void HIDAPI_DriverPS4_TickleBluetooth(SDL_HIDAPI_Device *device)
if (SDL_HIDAPI_LockRumble() == 0) {
SDL_HIDAPI_SendRumbleAndUnlock(device, data, sizeof(data));
}
} else {
/* We can't even send an invalid effects packet, or it will put the controller in enhanced mode */
if (device->num_joysticks > 0) {
HIDAPI_JoystickDisconnected(device, device->joysticks[0]);
}
}
}
static void HIDAPI_DriverPS4_SetEnhancedMode(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)