From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 6 Jan 2026 13:37:04 +0000 (+0100)
Subject: common: introduce DirectUseCase macro
X-Git-Tag: v1.2.15.2~3
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=72c81c7b91e3fe10b9d797d793cd85f27ca8623c;p=alsa-ucm-conf.git

common: introduce DirectUseCase macro

The goal is to replace the common/direct.conf with this more
universal macro.

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

diff --git a/ucm2/common/directm.conf b/ucm2/common/directm.conf
new file mode 100644
index 0000000..4939f03
--- /dev/null
+++ b/ucm2/common/directm.conf
@@ -0,0 +1,77 @@
+#
+# Define direct use case (no channel split or routing changes) macros
+#
+
+#
+# Macro DirectUseCase
+#
+# Arguments:
+#   Id - Use Case identifier (e.g. "Direct" or "Direct1")
+#   [CardName] - optional, default is global CardName
+#   [Comment] - optional, default is compibed from identifier and CardName
+#   [PlaybackChannels] - optional, playback channels or/and
+#   [CaptureChannels] - optional, capture channels
+#   [PlaybackRate] - optional, in Hz
+#   [CaptureRate] - optional, in Hz
+#
+
+DefineMacro.DirectUseCase {
+	If.cardname {
+		Condition {
+			Type String
+			Empty "${var:-__CardName}"
+		}
+		True.Define.__CardName "${CardName}"
+	}
+	If.comment {
+		Condition {
+			Type String
+			Empty "${var:-__Comment}"
+		}
+		True.Define.__Comment "${var:__Id} ${var:__CardName}"
+	}
+	SectionUseCase."${var:__Id}" {
+		Comment "Direct ${var:__CardName}"
+		Config.SectionDevice."Direct" {
+			Comment "Direct ${CardName}"
+			Value {
+				If.p {
+					Condition {
+						Type String
+						Empty "${var:-__PlaybackChannels}"
+					}
+					False {
+						PlaybackPriority 1000
+						PlaybackChannels "${var:__PlaybackChannels}"
+						PlaybackPCM "hw:${CardId}"
+					}
+				}
+				If.c {
+					Condition {
+						Type String
+						Empty "${var:-__CaptureChannels}"
+					}
+					False {
+						CapturePriority 1000
+						CaptureChannels "${var:__CaptureChannels}"
+						CapturePCM "hw:${CardId}"
+					}
+				}
+			}
+			If.prate {
+				Condition {
+					Type String
+					Empty "${var:-__PlaybackRate}"
+				}
+				False.Value.PlaybackRate "${var:-__PlaybackRate}"
+			}
+			If.crate {
+				Condition {
+					Type String
+					Empty "${var:-__CaptureRate}"
+				}
+				False.Value.CaptureRate "${var:-__CaptureRate}"
+			}
+		}
+	}
+}