amixer: print error when snd_hctl_handle_events() fails

It may be possible that the controls are quickly added and
removed, thus the "hard" fail is not optimal here.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/amixer/amixer.c b/amixer/amixer.c
index b3b9b4809cca2c2e855161e16244a693d8eaeec7..0bdae997e8a3cc52bd0d2b784780c762219a9e58 100644 (file)
--- a/amixer/amixer.c
+++ b/amixer/amixer.c
@@ -1602,7 +1602,8 @@ static int events(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
                if (res >= 0) {
                        printf("Poll ok: %i\n", res);
                        res = snd_hctl_handle_events(handle);
-                       assert(res > 0);
+                       if (res < 0)
+                               printf("ERR: %s (%d)\n", snd_strerror(res), res);
                }
        }
        snd_hctl_close(handle);