From 4e1596422b21bd24ba8625b1360ef41b1ba89789 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 17 May 2005 10:38:07 +0000
Subject: [PATCH] Ignore -ENOTTY error

Ignore -ENOTTY errror in probe functions, which indicates the
non-existing component.
---
 alsactl/names.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/alsactl/names.c b/alsactl/names.c
index 6d43d9b..7f5902d 100644
--- a/alsactl/names.c
+++ b/alsactl/names.c
@@ -517,7 +517,9 @@ int generate_names(const char *cfgfile)
 		globidx = 1;
 		err = (probes[idx])(config);
 		if (err < 0) {
-			error("probe %i failed: %s", idx, snd_strerror(err));
+			/* ignore -ENOTTY indicating the non-existing component */
+			if (err != -ENOTTY)
+				error("probe %i failed: %s", idx, snd_strerror(err));
 		} else {
 			ok++;
 		}