diff options
Diffstat (limited to 'sound/soc/soc-ops.c')
| -rw-r--r-- | sound/soc/soc-ops.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index ee1c87904d5b..3980b1727c49 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -436,8 +436,15 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, int err = 0; unsigned int val, val_mask, val2 = 0; + val = ucontrol->value.integer.value[0]; + if (mc->platform_max && val > mc->platform_max) + return -EINVAL; + if (val > max - min) + return -EINVAL; + if (val < 0) + return -EINVAL; val_mask = mask << shift; - val = (ucontrol->value.integer.value[0] + min) & mask; + val = (val + min) & mask; val = val << shift; err = snd_soc_component_update_bits(component, reg, val_mask, val); |