Fix return value of snd_ctl_hw_subscribe_events()

snd_ctl_subscribe_events() must return 0 when succeeded.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/src/control/control_hw.c b/src/control/control_hw.c
index 13ee2a7f29da5dbc378e96697caf4d5ffe942a61..aeb2c23eb22c8aff575c98573f5c85d3fd8b6666 100644 (file)
--- a/src/control/control_hw.c
+++ b/src/control/control_hw.c
@@ -116,7 +116,7 @@ static int snd_ctl_hw_subscribe_events(snd_ctl_t *handle, int subscribe)
                SYSERR("SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS failed");
                return -errno;
        }
-       return subscribe;
+       return 0;
 }
 
 static int snd_ctl_hw_card_info(snd_ctl_t *handle, snd_ctl_card_info_t *info)