Allow direct cards that only work in one direction

Allow DirectCaptureChannels or DirectPlaybackChannels to be left
undefined.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/ucm2/common/direct-verb.conf b/ucm2/common/direct-verb.conf
index 55204a28830d8a53a1275c87f9295387cb2f62dd..d069fc22373fa54601741a897c8b48490b3ef33a 100644 (file)
--- a/ucm2/common/direct-verb.conf
+++ b/ucm2/common/direct-verb.conf
@@ -4,7 +4,7 @@ SectionDevice."Direct" {
                If.p {
                        Condition {
                                Type String
-                               Empty "${var:DirectPlaybackChannels}"
+                               Empty "${var:-DirectPlaybackChannels}"
                        }
                        False {
                                PlaybackPriority 1000
@@ -15,7 +15,7 @@ SectionDevice."Direct" {
                If.c {
                        Condition {
                                Type String
-                               Empty "${var:DirectCaptureChannels}"
+                               Empty "${var:-DirectCaptureChannels}"
                        }
                        False {
                                CapturePriority 1000