SDL: Ignore the PS4 packet CRC if it's not being set correctly (57ae9)

SDL Commits
1 
From 57ae9f466db41e32c67c5a9a03c28f7803ac02c9 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 13 Mar 2023 19:56:42 -0700
Subject: [PATCH] Ignore the PS4 packet CRC if it's not being set correctly

This fixes handling the 8BitDo SN30 Pro with the 2.00 firmware in PS4 mode

Fixes https://github.com/libsdl-org/SDL/issues/7270

(cherry picked from commit 3951cae4a56fddcb42ce4141a6518c97fa9125cd)
---
 src/joystick/hidapi/SDL_hidapi_ps4.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/joystick/hidapi/SDL_hidapi_ps4.c b/src/joystick/hidapi/SDL_hidapi_ps4.c
index 6b74dfe0143a..5a73b3c042df 100644
--- a/src/joystick/hidapi/SDL_hidapi_ps4.c
+++ b/src/joystick/hidapi/SDL_hidapi_ps4.c
@@ -151,6 +151,7 @@ typedef struct
     Uint8 led_blue;
     Uint16 last_timestamp;
     Uint64 timestamp;
+    Uint16 valid_crc_packets; /* wrapping counter */
     PS4StatePacket_t last_state;
 } SDL_DriverPS4_Context;
 
@@ -1035,7 +1036,18 @@ static SDL_bool HIDAPI_DriverPS4_IsPacketValid(SDL_DriverPS4_Context *ctx, Uint8
     case k_EPS4ReportIdBluetoothState8:
     case k_EPS4ReportIdBluetoothState9:
         /* Bluetooth state packets have two additional bytes at the beginning, the first notes if HID data is present */
-        if (size >= 78 && (data[1] & 0x80) && VerifyCRC(data, 78)) {
+        if (size >= 78 && (data[1] & 0x80)) {
+            if (VerifyCRC(data, 78)) {
+                ++ctx->valid_crc_packets;
+            } else {
+                if (ctx->valid_crc_packets > 0) {
+                    --ctx->valid_crc_packets;
+                }
+                if (ctx->valid_crc_packets >= 3) {
+                    /* We're generally getting valid CRC, but failed one */
+                    return SDL_FALSE;
+                }
+            }
             return SDL_TRUE;
         }
         break;