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Diffstat (limited to 'sound/pci/rme96.c')
-rw-r--r--sound/pci/rme96.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 0b3c532c401..aff05bd15b7 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -2195,22 +2195,25 @@ snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
{
struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
int change = 0;
+ unsigned int vol, maxvol;
- if (!RME96_HAS_ANALOG_OUT(rme96)) {
+
+ if (!RME96_HAS_ANALOG_OUT(rme96))
return -EINVAL;
- }
+ maxvol = RME96_185X_MAX_OUT(rme96);
spin_lock_irq(&rme96->lock);
- if (u->value.integer.value[0] != rme96->vol[0]) {
- rme96->vol[0] = u->value.integer.value[0];
- change = 1;
- }
- if (u->value.integer.value[1] != rme96->vol[1]) {
- rme96->vol[1] = u->value.integer.value[1];
- change = 1;
- }
- if (change) {
- snd_rme96_apply_dac_volume(rme96);
+ vol = u->value.integer.value[0];
+ if (vol != rme96->vol[0] && vol <= maxvol) {
+ rme96->vol[0] = vol;
+ change = 1;
+ }
+ vol = u->value.integer.value[1];
+ if (vol != rme96->vol[1] && vol <= maxvol) {
+ rme96->vol[1] = vol;
+ change = 1;
}
+ if (change)
+ snd_rme96_apply_dac_volume(rme96);
spin_unlock_irq(&rme96->lock);
return change;