diff options
| author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2023-05-16 12:36:07 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-05-17 18:07:55 +0300 |
| commit | cc766807a208bfa06c204be784ec099fb25c87a4 (patch) | |
| tree | 001e7d91e4327ffd15279e951a582ac4992163b8 /sound/pci/emu10k1/emumixer.c | |
| parent | 511cbe8f59e30cd09a04c1dbafe6337d9111e88a (diff) | |
| download | linux-cc766807a208bfa06c204be784ec099fb25c87a4.tar.xz | |
ALSA: emu10k1: fix return value of snd_emu1010_dac_pads_put()
It returned zero even if the value had changed.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230516093612.3536508-6-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1/emumixer.c')
| -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 = { |