From fe2007bb079245a74114016a9c6e38fa4f34ad71 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 23 Jan 2016 12:37:17 +0000
Subject: [PATCH] ltq-vdsl-app: mask out VDSL bits when ATM is selected, fixes
 compatibility issues with some DSLAMs

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48457
---
 package/network/config/ltq-vdsl-app/files/dsl_control | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/package/network/config/ltq-vdsl-app/files/dsl_control b/package/network/config/ltq-vdsl-app/files/dsl_control
index 4ddc1d7880..fd8d0e32d6 100644
--- a/package/network/config/ltq-vdsl-app/files/dsl_control
+++ b/package/network/config/ltq-vdsl-app/files/dsl_control
@@ -133,6 +133,8 @@ start_service() {
 	config_get firmware dsl firmware
 	config_get xfer_mode dsl xfer_mode
 
+	eval "xtse=\"\${xtse_xdsl_$annex}\""
+
 	[ -z "${xfer_mode}" ] && xfer_mode=ptm
 
 	case "${xfer_mode}" in
@@ -140,6 +142,9 @@ start_service() {
 		LOAD=ltq_atm_vr9
 		UNLOAD=ltq_ptm_vr9
 		mode=1
+
+		# mask out VDSL bits when ATM is requested
+		xtse="${xtse%_*}_00"
 		;;
 	*)
 		LOAD=ltq_ptm_vr9
@@ -148,8 +153,6 @@ start_service() {
 		;;
 	esac
 
-	eval "xtse=\"\${xtse_xdsl_$annex}\""
-
 	[ -z "${firmware}" ] && firmware=/lib/firmware/vdsl.bin
 	[ -f "${firmware}" ] || {
 		echo failed to find $firmware