From a8b9058a0c00dcaf6bde5fc7032e7f59169dd914 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dansebcar@gmail.com>
Date: Wed, 20 Jul 2022 13:06:21 +0200
Subject: [PATCH] sierra: disable CPOL in the GL7600

Similar to the EM7345 (also from Sierra Wireless), the GL7600 becomes
unresponsive after using "AT+CPOL?".

Fixes https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/595
---
 plugins/sierra/77-mm-sierra.rules | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/plugins/sierra/77-mm-sierra.rules b/plugins/sierra/77-mm-sierra.rules
index 68350e8c..e26e9a40 100644
--- a/plugins/sierra/77-mm-sierra.rules
+++ b/plugins/sierra/77-mm-sierra.rules
@@ -1,10 +1,11 @@
 
 # do not edit this file, it will be overwritten on update
 ACTION!="add|change|move|bind", GOTO="mm_sierra_end"
-SUBSYSTEMS=="usb", ATTRS{idVendor}=="1199", GOTO="mm_sierra"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="1199", GOTO="mm_sierra_generic"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="1519", GOTO="mm_sierra_comneon"
 GOTO="mm_sierra_end"
 
-LABEL="mm_sierra"
+LABEL="mm_sierra_generic"
 SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="?*", ENV{.MM_USBIFNUM}="$attr{bInterfaceNumber}"
 
 # Netgear AC341U: enable connection status polling explicitly
@@ -29,4 +30,11 @@ ATTRS{idVendor}=="1199", ATTRS{idProduct}=="9091", ENV{.MM_USBIFNUM}=="03", SUBS
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="9091", ENV{.MM_USBIFNUM}=="02", SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_GPS}="1"
 ATTRS{idVendor}=="1199", ATTRS{idProduct}=="9091", ENV{.MM_USBIFNUM}=="00", SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_QCDM}="1"
 
+GOTO="mm_sierra_end"
+
+LABEL="mm_sierra_comneon"
+
+# GL7600: disable CPOL based features
+ATTRS{idVendor}=="1519", ATTRS{idProduct}=="0443", ENV{ID_MM_PREFERRED_NETWORKS_CPOL_DISABLED}="1"
+
 LABEL="mm_sierra_end"