SDL: Note the Google Stadia controller doesn't support rumble over Bluetooth (3fb91)

From 3fb9118cb6304849d78893daa6baf4c3c111d14f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 8 Feb 2023 14:16:24 -0800
Subject: [PATCH] Note the Google Stadia controller doesn't support rumble over
 Bluetooth

(cherry picked from commit 50575ed2233b9924198e10c9a261c10323d9089e)
---
 src/joystick/hidapi/SDL_hidapi_stadia.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/joystick/hidapi/SDL_hidapi_stadia.c b/src/joystick/hidapi/SDL_hidapi_stadia.c
index 75ce96a83f2f..1ff00af6efef 100644
--- a/src/joystick/hidapi/SDL_hidapi_stadia.c
+++ b/src/joystick/hidapi/SDL_hidapi_stadia.c
@@ -77,6 +77,15 @@ static SDL_bool HIDAPI_DriverStadia_InitDevice(SDL_HIDAPI_Device *device)
     }
     device->context = ctx;
 
+    /* Check whether this is connected via USB or Bluetooth */
+    {
+        Uint8 rumble_packet[] = { 0x05, 0x00, 0x00, 0x00, 0x00 };
+
+        if (SDL_hid_write(device->dev, rumble_packet, sizeof(rumble_packet)) < 0) {
+            device->is_bluetooth = SDL_TRUE;
+        }
+    }
+
     device->type = SDL_CONTROLLER_TYPE_GOOGLE_STADIA;
     HIDAPI_SetDeviceName(device, "Google Stadia Controller");
 
@@ -112,6 +121,10 @@ static int HIDAPI_DriverStadia_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joy
 {
     Uint8 rumble_packet[] = { 0x05, 0x00, 0x00, 0x00, 0x00 };
 
+    if (device->is_bluetooth) {
+        return SDL_Unsupported();
+    }
+
     rumble_packet[1] = (low_frequency_rumble & 0xFF);
     rumble_packet[2] = (low_frequency_rumble >> 8);
     rumble_packet[3] = (high_frequency_rumble & 0xFF);
@@ -130,7 +143,12 @@ static int HIDAPI_DriverStadia_RumbleJoystickTriggers(SDL_HIDAPI_Device *device,
 
 static Uint32 HIDAPI_DriverStadia_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
 {
-    return SDL_JOYCAP_RUMBLE;
+    Uint32 caps = 0;
+
+    if (!device->is_bluetooth) {
+        caps |= SDL_JOYCAP_RUMBLE;
+    }
+    return caps;
 }
 
 static int HIDAPI_DriverStadia_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)