diff options
| author | Sergey Vlasov <vsu@altlinux.ru> | 2005-04-25 11:22:20 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-05-29 10:05:17 +0200 |
| commit | b16760bbb9e3c63b6beef7e2c8f8db64ab5efe70 (patch) | |
| tree | eff28eebc3b50ee9b5d6dbe0959c104844e5d52a /sound/pci/ac97/ac97_codec.c | |
| parent | ee7333970bee3e7565feeb3edfef4db81cbe72e5 (diff) | |
[ALSA] fix behaviour of ac97_enum_mixer elements
AC97 Codec
ac97_enum mixer elements (e.g., 'Capture Source') did not work because
of wrong bitmask calculation in snd_ac97_get_enum_double() and
snd_ac97_put_enum_double().
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1072
Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/ac97/ac97_codec.c')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 1ad7f83a65e1..36a33ae9ae03 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -465,7 +465,7 @@ int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * u struct ac97_enum *e = (struct ac97_enum *)kcontrol->private_value; unsigned short val, bitmask; - for (bitmask = 1; bitmask > e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) ; val = snd_ac97_read_cache(ac97, e->reg); ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); @@ -482,7 +482,7 @@ int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * u unsigned short val; unsigned short mask, bitmask; - for (bitmask = 1; bitmask > e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) ; if (ucontrol->value.enumerated.item[0] > e->mask - 1) return -EINVAL; |