From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Fri, 7 Dec 2018 09:41:02 +0000 (+0900)
Subject: axfer: print help text of list subcommand
X-Git-Tag: v1.1.8~15
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=c75b96be49f3655554455c6a5d48fa7f6ba326b4;p=alsa-utils.git

axfer: print help text of list subcommand

This commit adds help text of list subcommand.

This help text can not be in execution of alias (aplay/arecord) due to
program design.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/axfer/subcmd-list.c b/axfer/subcmd-list.c
index 1ea9669..98a7cf3 100644
--- a/axfer/subcmd-list.c
+++ b/axfer/subcmd-list.c
@@ -193,7 +193,14 @@ static int list_pcms(snd_pcm_stream_t direction)
 
 static void print_help(void)
 {
-	printf("help for list sub-command.\n");
+	printf(
+"Usage:\n"
+"  axfer list DIRECTION TARGET\n"
+"\n"
+"  where:\n"
+"    DIRECTION = capture | playback\n"
+"    TARGET = device | pcm\n"
+	);
 }
 
 // Backward compatibility to aplay(1).