From bebc22c4b060b47ddf482f7a1cb960c589687c7c Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Sun, 8 Sep 2013 00:37:29 +0000
Subject: [PATCH] fade: Implement new mode "set".

While setting the value of a mixer channel has always been possible
using --fade with a zero timeout, this method is somewhat tedious. This
patch introduces the new "set" mode for this purpose.
---
 fade.c               |  8 ++++++++
 m4/gengetopt/fade.m4 | 16 ++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/fade.c b/fade.c
index 387e257a..8e9150f7 100644
--- a/fade.c
+++ b/fade.c
@@ -264,6 +264,11 @@ static int set_channel(struct mixer *m, struct mixer_handle *h)
 	return ret;
 }
 
+static int set_val(struct mixer *m, struct mixer_handle *h)
+{
+	return m->set(h, conf.val_arg);
+}
+
 static struct mixer *get_mixer_or_die(void)
 {
 	int i;
@@ -340,6 +345,9 @@ int main(int argc, char *argv[])
 	case mode_arg_snooze:
 		ret = snooze(m, h);
 		break;
+	case mode_arg_set:
+		ret = set_val(m, h);
+		break;
 	default: /* sleep mode */
 		ret = sweet_dreams(m, h);
 		break;
diff --git a/m4/gengetopt/fade.m4 b/m4/gengetopt/fade.m4
index 7c731c2b..ca99a398 100644
--- a/m4/gengetopt/fade.m4
+++ b/m4/gengetopt/fade.m4
@@ -17,11 +17,11 @@ option "mode" o
 #~~~~~~~~~~~~~~
 "how to fade volume"
 	enum typestr = "mode"
-	values = "sleep", "snooze", "fade"
+	values = "sleep", "fade", "set", "snooze"
 	default = "sleep"
 	optional
 	details="
-		para_fade knows three different fading modes:
+		para_fade knows the following modes:
 
 		sleep mode: Change to the initial volume and select
 		the initial afs mood/playlist. Then fade out until
@@ -33,6 +33,8 @@ option "mode" o
 		fade: Fade the volume to the given value in the
 		given time.
 
+		set: Just set the value and exit.
+
 		snooze: Fade out, sleep a bit and fade in.
 "
 
@@ -228,4 +230,14 @@ option "fade-time" t
 	int typestr = "seconds"
 	default = "5"
 	optional
+
+section "Options for set mode"
+##############################
+
+option "val" -
+"value to set"
+	int typestr = "value"
+	default = "0"
+	optional
+
 </qu>
-- 
2.39.2