diff options
Diffstat (limited to 'sound/drivers')
| -rw-r--r-- | sound/drivers/aloop.c | 6 | ||||
| -rw-r--r-- | sound/drivers/opl3/opl3_midi.c | 2 | ||||
| -rw-r--r-- | sound/drivers/opl4/opl4_synth.c | 9 | ||||
| -rw-r--r-- | sound/drivers/vx/vx_pcm.c | 2 |
4 files changed, 11 insertions, 8 deletions
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index 5a34355e78e8..0fe6d64ff840 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -120,6 +120,7 @@ struct loopback_pcm { unsigned int last_drift; unsigned long last_jiffies; struct timer_list timer; + spinlock_t timer_lock; }; static struct platform_device *devices[SNDRV_CARDS]; @@ -170,6 +171,7 @@ static void loopback_timer_start(struct loopback_pcm *dpcm) unsigned long tick; unsigned int rate_shift = get_rate_shift(dpcm); + spin_lock(&dpcm->timer_lock); if (rate_shift != dpcm->pcm_rate_shift) { dpcm->pcm_rate_shift = rate_shift; dpcm->period_size_frac = frac_pos(dpcm, dpcm->pcm_period_size); @@ -182,12 +184,15 @@ static void loopback_timer_start(struct loopback_pcm *dpcm) tick = (tick + dpcm->pcm_bps - 1) / dpcm->pcm_bps; dpcm->timer.expires = jiffies + tick; add_timer(&dpcm->timer); + spin_unlock(&dpcm->timer_lock); } static inline void loopback_timer_stop(struct loopback_pcm *dpcm) { + spin_lock(&dpcm->timer_lock); del_timer(&dpcm->timer); dpcm->timer.expires = 0; + spin_unlock(&dpcm->timer_lock); } #define CABLE_VALID_PLAYBACK (1 << SNDRV_PCM_STREAM_PLAYBACK) @@ -667,6 +672,7 @@ static int loopback_open(struct snd_pcm_substream *substream) dpcm->substream = substream; setup_timer(&dpcm->timer, loopback_timer_function, (unsigned long)dpcm); + spin_lock_init(&dpcm->timer_lock); cable = loopback->cables[substream->number][dev]; if (!cable) { diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c index 2bfe4bcb7a7d..0c796bcbc0a3 100644 --- a/sound/drivers/opl3/opl3_midi.c +++ b/sound/drivers/opl3/opl3_midi.c @@ -163,7 +163,7 @@ static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op, struct best *bp; for (i = 0; i < END; i++) { - best[i].time = (unsigned int)(-1); /* XXX MAX_?INT really */; + best[i].time = (unsigned int)(-1); /* XXX MAX_?INT really */ best[i].voice = -1; } diff --git a/sound/drivers/opl4/opl4_synth.c b/sound/drivers/opl4/opl4_synth.c index 49b9e240915c..4b91adc0238c 100644 --- a/sound/drivers/opl4/opl4_synth.c +++ b/sound/drivers/opl4/opl4_synth.c @@ -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); diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c index 5e897b236cec..deed5efff33c 100644 --- a/sound/drivers/vx/vx_pcm.c +++ b/sound/drivers/vx/vx_pcm.c @@ -184,7 +184,7 @@ static int vx_set_format(struct vx_core *chip, struct vx_pipe *pipe, default : snd_BUG(); return -EINVAL; - }; + } return vx_set_stream_format(chip, pipe, header); } |