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ALSA: opl4: use list_move_tail instead of list_del/list_add_tail 

Using list_move_tail() instead of list_del() + list_add_tail().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wei Yongjun 2012-09-05 14:33:21 +08:00 committed by Takashi Iwai
parent 2b58fd5b31
commit 3a4a7ef567
1 changed files with 3 additions and 6 deletions
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9
sound/drivers/opl4/opl4_synth.c
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@ -504,8 +504,7 @@ void snd_opl4_note_on(void *private_data, int note, int vel, struct snd_midi_cha
spin_lock_irqsave(&opl4->reg_lock, flags);
for (i = 0; i < voices; i++) {
voice[i] = snd_opl4_get_voice(opl4);
list_del(&voice[i]->list);
list_add_tail(&voice[i]->list, &opl4->on_voices);
list_move_tail(&voice[i]->list, &opl4->on_voices);
voice[i]->chan = chan;
voice[i]->note = note;
voice[i]->velocity = vel & 0x7f;
@ -555,8 +554,7 @@ void snd_opl4_note_on(void *private_data, int note, int vel, struct snd_midi_cha
static void snd_opl4_voice_off(struct snd_opl4 *opl4, struct opl4_voice *voice)
{
list_del(&voice->list);
list_add_tail(&voice->list, &opl4->off_voices);
list_move_tail(&voice->list, &opl4->off_voices);
voice->reg_misc &= ~OPL4_KEY_ON_BIT;
snd_opl4_write(opl4, OPL4_REG_MISC + voice->number, voice->reg_misc);
@ -571,8 +569,7 @@ void snd_opl4_note_off(void *private_data, int note, int vel, struct snd_midi_ch
static void snd_opl4_terminate_voice(struct snd_opl4 *opl4, struct opl4_voice *voice)
{
list_del(&voice->list);
list_add_tail(&voice->list, &opl4->off_voices);
list_move_tail(&voice->list, &opl4->off_voices);
voice->reg_misc = (voice->reg_misc & ~OPL4_KEY_ON_BIT) | OPL4_DAMP_BIT;
snd_opl4_write(opl4, OPL4_REG_MISC + voice->number, voice->reg_misc);