ALSA: hda - Limit the number of GPIOs show in proc

Limit the number of GPIOs shown in proc. Otherwise it gets too long unnecessarily, and hard to analyze. Signed-off-by: Takashi Iwai <tiwai@suse.de>
git-mirror · Nov 4, 2008 · c4dc507 · c4dc507
1 parent 6b3ab21
commit c4dc507
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
@@ -483,6 +483,8 @@ static void print_gpio(struct snd_info_buffer *buffer,
 		    (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 		    (gpio & AC_GPIO_WAKE) ? 1 : 0);
 	max = gpio & AC_GPIO_IO_COUNT;
+	if (!max || max > 8)
+		return;
 	enable = snd_hda_codec_read(codec, nid, 0,
 				    AC_VERB_GET_GPIO_MASK, 0);
 	direction = snd_hda_codec_read(codec, nid, 0,