From 13f8201dbe8ad1e1de6d48bec79e81838d51eff6 Mon Sep 17 00:00:00 2001 From: Nintorch <92302738+Nintorch@users.noreply.github.com> Date: Sat, 24 Jan 2026 11:51:39 +0500 Subject: [PATCH] Add support for joystick LED for Switch controllers Co-Authored-By: Thiago Lelles Fernandes <125714191+thilelito@users.noreply.github.com> (cherry picked from commit 90dabda3b4ca85715e6108ed4f20310c680f06e5) --- src/joystick/hidapi/SDL_hidapi_switch.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/joystick/hidapi/SDL_hidapi_switch.c b/src/joystick/hidapi/SDL_hidapi_switch.c index 69e74a852c..d285118c1a 100644 --- a/src/joystick/hidapi/SDL_hidapi_switch.c +++ b/src/joystick/hidapi/SDL_hidapi_switch.c @@ -1811,16 +1811,29 @@ static Uint32 HIDAPI_DriverSwitch_GetJoystickCapabilities(SDL_HIDAPI_Device *dev if (ctx->m_eControllerType == k_eSwitchDeviceInfoControllerType_ProController && !ctx->m_bInputOnly) { // Doesn't have an RGB LED, so don't return SDL_JOYSTICK_CAP_RGB_LED here result |= SDL_JOYSTICK_CAP_RUMBLE; + // But has the HOME LED, so treat it like a mono LED + result |= SDL_JOYSTICK_CAP_MONO_LED; } else if (ctx->m_eControllerType == k_eSwitchDeviceInfoControllerType_JoyConLeft || ctx->m_eControllerType == k_eSwitchDeviceInfoControllerType_JoyConRight) { result |= SDL_JOYSTICK_CAP_RUMBLE; + if (ctx->m_eControllerType == k_eSwitchDeviceInfoControllerType_JoyConRight) { + result |= SDL_JOYSTICK_CAP_MONO_LED; // Right JoyCon also have the HOME LED + } } return result; } static bool HIDAPI_DriverSwitch_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue) { - return SDL_Unsupported(); + SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context; + + if (!(ctx->m_eControllerType == k_eSwitchDeviceInfoControllerType_ProController && !ctx->m_bInputOnly) && + ctx->m_eControllerType != k_eSwitchDeviceInfoControllerType_JoyConRight) { + return SDL_Unsupported(); + } + + int value = (int)((SDL_max(red, SDL_max(green, blue)) / 255.0f) * 100.0f); // The colors are received between 0-255 and we need them to be 0-100 + return SetHomeLED(ctx, (Uint8)value); } static bool HIDAPI_DriverSwitch_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)