X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=rules%2Frules.d%2F60-persistent-alsa.rules;h=748c1bae59dd6f069da08bb700ce854c2861d4af;hp=39a365221eee5ea28b2df7da80de27e4ae3e2a59;hb=2ba5c37829c657a1bce3f3775fbaaf2131c1070b;hpb=4b06c409350d26af5e6ace0f368d01b80d75438e

diff --git a/rules/rules.d/60-persistent-alsa.rules b/rules/rules.d/60-persistent-alsa.rules
index 39a365221..748c1bae5 100644
--- a/rules/rules.d/60-persistent-alsa.rules
+++ b/rules/rules.d/60-persistent-alsa.rules
@@ -5,9 +5,8 @@ SUBSYSTEM!="sound", GOTO="persistent_alsa_end"
 KERNEL!="controlC[0-9]*", GOTO="persistent_alsa_end"
 
 SUBSYSTEMS=="usb", ENV{ID_MODEL}=="", IMPORT{program}="usb_id --export %p"
-SUBSYSTEMS=="usb", ENV{ID_IFACE}="$attr{bInterfaceNumber}"
-ENV{ID_SERIAL}=="?*", ENV{ID_IFACE}=="?*", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{ID_IFACE}"
-ENV{ID_SERIAL}=="?*", ENV{ID_IFACE}=="", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
+ENV{ID_SERIAL}=="?*", ENV{ID_USB_INTERFACE_NUM}=="?*", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{ID_USB_INTERFACE_NUM}"
+ENV{ID_SERIAL}=="?*", ENV{ID_USB_INTERFACE_NUM}=="", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
 
 ENV{ID_PATH}=="", IMPORT{program}="path_id %p"
 ENV{ID_PATH}=="?*", SYMLINK+="snd/by-path/$env{ID_PATH}"