amixer: Make "dB" case-insensitive in set commands

We don't have to be necessarily too strict about case-sensitivity of
"dB" suffix used in set commands.

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

diff --git a/amixer/amixer.c b/amixer/amixer.c
index cf82892bfa2f104c371bd7658804142edebc8897..6a2fdb96c62fd5c9a260af4a04d150eabad802d0 100644 (file)
--- a/amixer/amixer.c
+++ b/amixer/amixer.c
@@ -346,7 +346,7 @@ static int set_volume_simple(snd_mixer_elem_t *elem,
        if (*p == '%') {
                percent = 1;
                p++;
-       } else if (p[0] == 'd' && p[1] == 'B') {
+       } else if (toupper(p[0]) == 'D' && toupper(p[1]) == 'B') {
                vol_type = VOL_DB;
                p += 2;
                scale = 100;