From 2b84318ebebb1df2c3d86763229718c87a17a506 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias <rodrigo.arias@bsc.es>
Date: Mon, 20 Feb 2023 11:47:00 +0100
Subject: [PATCH] Allow channels to be marked as dirty

---
 src/emu/chan.c | 16 ++++++++++++++++
 src/emu/chan.h |  1 +
 2 files changed, 17 insertions(+)

diff --git a/src/emu/chan.c b/src/emu/chan.c
index 4c3b3ac..12a0bfa 100644
--- a/src/emu/chan.c
+++ b/src/emu/chan.c
@@ -237,6 +237,22 @@ chan_flush(struct chan *chan)
 	return 0;
 }
 
+/** Marks the channel as dirty */
+int
+chan_dirty(struct chan *chan)
+{
+	/* Nothing to do, already dirty */
+	if (chan->is_dirty)
+		return 0;
+
+	if (set_dirty(chan) != 0) {
+		err("%s: set_dirty failed\n", chan->name);
+		return -1;
+	}
+
+	return 0;
+}
+
 void
 chan_prop_set(struct chan *chan, enum chan_prop prop, int value)
 {
diff --git a/src/emu/chan.h b/src/emu/chan.h
index b9f5814..da37036 100644
--- a/src/emu/chan.h
+++ b/src/emu/chan.h
@@ -63,5 +63,6 @@ USE_RET int chan_flush(struct chan *chan);
         void chan_prop_set(struct chan *chan, enum chan_prop prop, int value);
 USE_RET int chan_prop_get(struct chan *chan, enum chan_prop prop);
         void chan_set_dirty_cb(struct chan *chan, chan_cb_t func, void *arg);
+USE_RET int chan_dirty(struct chan *chan);
 
 #endif /* CHAN_H */