From ca8717d4a74aa4fa9a65e5fcf8ebc9c5316cfcdf Mon Sep 17 00:00:00 2001
From: CTCaer <ctcaer@gmail.com>
Date: Thu, 12 Feb 2026 21:56:39 +0200
Subject: [PATCH] bdk: bm92t: do not parse non fixed pdos

---
 bdk/power/bm92t36.c | 24 ++++++++++++++++++------
 bdk/power/bm92t36.h |  2 +-
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/bdk/power/bm92t36.c b/bdk/power/bm92t36.c
index a95730bb..eda7db06 100644
--- a/bdk/power/bm92t36.c
+++ b/bdk/power/bm92t36.c
@@ -1,7 +1,7 @@
 /*
  * USB-PD driver for Nintendo Switch's TI BM92T36
  *
- * Copyright (c) 2020-2025 CTCaer
+ * Copyright (c) 2020-2026 CTCaer
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -58,6 +58,11 @@
 #define MAX_ROHM  0x4B5
 #define DEV_BM92T 0x3B0
 
+#define PDO_TYPE_FIXED  0
+#define PDO_TYPE_BATT   1
+#define PDO_TYPE_VAR    2
+#define PDO_TYPE_APDO   3
+
 typedef struct _pd_object_t {
 	unsigned int amp:10;
 	unsigned int volt:10;
@@ -90,7 +95,7 @@ int bm92t36_get_version(u32 *value)
 		return -1;
 }
 
-void bm92t36_get_sink_info(bool *inserted, usb_pd_objects_t *usb_pd)
+void bm92t36_get_source_info(bool *inserted, usb_pd_objects_t *usb_pd)
 {
 	u8 buf[32];
 	pd_object_t pdos[7];
@@ -112,15 +117,22 @@ void bm92t36_get_sink_info(bool *inserted, usb_pd_objects_t *usb_pd)
 		if (usb_pd->pdo_no > 7)
 			usb_pd->pdo_no = 7;
 
+		u32 idx = 0;
 		for (u32 i = 0; i < usb_pd->pdo_no; i++)
 		{
-			usb_pd->pdos[i].amperage = pdos[i].amp * 10;
-			usb_pd->pdos[i].voltage = (pdos[i].volt * 50) / 1000;
+			// Parse fixed type pdos only.
+			if (pdos[i].type != PDO_TYPE_FIXED)
+				continue;
+
+			usb_pd->pdos[idx].amperage =  pdos[i].amp  * 10;
+			usb_pd->pdos[idx].voltage  = (pdos[i].volt * 50) / 1000;
+			idx++;
 		}
+		usb_pd->pdo_no = idx;
 
 		_bm92t36_read_reg(buf, 5, CURRENT_PDO_REG);
 		memcpy(pdos, &buf[1], 4);
-		usb_pd->selected_pdo.amperage = pdos[0].amp * 10;
-		usb_pd->selected_pdo.voltage = (pdos[0].volt * 50) / 1000;
+		usb_pd->selected_pdo.amperage =  pdos[0].amp  * 10;
+		usb_pd->selected_pdo.voltage  = (pdos[0].volt * 50) / 1000;
 	}
 }
diff --git a/bdk/power/bm92t36.h b/bdk/power/bm92t36.h
index c288a6fc..4ff0791e 100644
--- a/bdk/power/bm92t36.h
+++ b/bdk/power/bm92t36.h
@@ -37,6 +37,6 @@ typedef struct _usb_pd_objects_t
 } usb_pd_objects_t;
 
 int  bm92t36_get_version(u32 *value);
-void bm92t36_get_sink_info(bool *inserted, usb_pd_objects_t *usb_pd);
+void bm92t36_get_source_info(bool *inserted, usb_pd_objects_t *usb_pd);
 
 #endif