From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/media/pci/saa7134/saa7134-dvb.c | 25 +++++++++++++++----------
1 files changed, 15 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/media/pci/saa7134/saa7134-dvb.c b/kernel/drivers/media/pci/saa7134/saa7134-dvb.c
index 3025d38..f359cd5 100644
--- a/kernel/drivers/media/pci/saa7134/saa7134-dvb.c
+++ b/kernel/drivers/media/pci/saa7134/saa7134-dvb.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
*
* Extended 3 / 2005 by Hartmut Hackmann to support various
* cards with the tda10046 DVB-T channel decoder
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include "saa7134.h"
@@ -1273,6 +1264,20 @@
&medion_cardbus,
&dev->i2c_adap);
if (fe0->dvb.frontend) {
+ /*
+ * The TV tuner on this board is actually NOT
+ * behind the demod i2c gate.
+ * However, the demod EEPROM is indeed there and it
+ * conflicts with the SAA7134 chip config EEPROM
+ * if the i2c gate is open (since they have same
+ * bus addresses) resulting in card PCI SVID / SSID
+ * being garbage after a reboot from time to time.
+ *
+ * Let's just leave the gate permanently closed -
+ * saa7134_i2c_eeprom_md7134_gate() will close it for
+ * us at probe time if it was open for some reason.
+ */
+ fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL;
dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
&dev->i2c_adap, medion_cardbus.tuner_address,
TUNER_PHILIPS_FMD1216ME_MK3);
--
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