diff options
| -rw-r--r-- | sound/pci/emu10k1/emumixer.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c index c5ebec52c8cf..ef05d4f3316c 100644 --- a/sound/pci/emu10k1/emumixer.c +++ b/sound/pci/emu10k1/emumixer.c @@ -559,18 +559,21 @@ static int snd_emu1010_dac_pads_put(struct snd_kcontrol *kcontrol, struct snd_ct struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); unsigned int mask = snd_emu1010_dac_regs[kcontrol->private_value]; unsigned int val, cache; + int change; + val = ucontrol->value.integer.value[0]; cache = emu->emu1010.dac_pads; if (val == 1) cache = cache | mask; else cache = cache & ~mask; - if (cache != emu->emu1010.dac_pads) { + change = (cache != emu->emu1010.dac_pads); + if (change) { snd_emu1010_fpga_write(emu, EMU_HANA_DAC_PADS, cache ); emu->emu1010.dac_pads = cache; } - return 0; + return change; } static const struct snd_kcontrol_new emu1010_dac_pads_ctl = { |