This adds snd_emu10k1_pcm_init_{voices,extra_voice}() and snd_emu10k1_playback_{un,}mute_voices() to slightly abstract by voice function and potential stereo property.
Signed-off-by: Oswald Buddenhagen oswald.buddenhagen@gmx.de --- sound/pci/emu10k1/emupcm.c | 70 +++++++++++++++++++++++++++++--------- 1 file changed, 53 insertions(+), 17 deletions(-)
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index 0036593cca7c..65af94d08b47 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -312,6 +312,30 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, spin_unlock_irqrestore(&emu->reg_lock, flags); }
+static void snd_emu10k1_pcm_init_voices(struct snd_emu10k1 *emu, + struct snd_emu10k1_voice *evoice, + bool w_16, bool stereo, + unsigned int start_addr, + unsigned int end_addr, + struct snd_emu10k1_pcm_mixer *mix) +{ + snd_emu10k1_pcm_init_voice(emu, 1, 0, evoice, w_16, stereo, + start_addr, end_addr, mix); + if (stereo) + snd_emu10k1_pcm_init_voice(emu, 0, 0, evoice + 1, w_16, true, + start_addr, end_addr, mix); +} + +static void snd_emu10k1_pcm_init_extra_voice(struct snd_emu10k1 *emu, + struct snd_emu10k1_voice *evoice, + bool w_16, + unsigned int start_addr, + unsigned int end_addr) +{ + snd_emu10k1_pcm_init_voice(emu, 1, 1, evoice, w_16, false, + start_addr, end_addr, NULL); +} + static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { @@ -393,18 +417,15 @@ static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
start_addr = epcm->start_addr >> w_16; end_addr = start_addr + runtime->period_size; - snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, w_16, false, - start_addr, end_addr, NULL); + snd_emu10k1_pcm_init_extra_voice(emu, epcm->extra, w_16, + start_addr, end_addr); start_addr >>= stereo; epcm->ccca_start_addr = start_addr; end_addr = start_addr + runtime->buffer_size; - snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], w_16, stereo, - start_addr, end_addr, - &emu->pcm_mixer[substream->number]); - if (stereo) - snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[0] + 1, w_16, true, - start_addr, end_addr, - &emu->pcm_mixer[substream->number]); + snd_emu10k1_pcm_init_voices(emu, epcm->voices[0], w_16, stereo, + start_addr, end_addr, + &emu->pcm_mixer[substream->number]); + return 0; }
@@ -421,8 +442,8 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
channel_size = runtime->buffer_size;
- snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, true, false, - start_addr, start_addr + (channel_size / 2), NULL); + snd_emu10k1_pcm_init_extra_voice(emu, epcm->extra, true, + start_addr, start_addr + (channel_size / 2));
epcm->ccca_start_addr = start_addr; for (i = 0; i < NUM_EFX_PLAYBACK; i++) { @@ -598,12 +619,31 @@ static void snd_emu10k1_playback_unmute_voice(struct snd_emu10k1 *emu, snd_emu10k1_playback_commit_volume(emu, evoice, vattn); }
+static void snd_emu10k1_playback_unmute_voices(struct snd_emu10k1 *emu, + struct snd_emu10k1_voice *evoice, + bool stereo, + struct snd_emu10k1_pcm_mixer *mix) +{ + snd_emu10k1_playback_unmute_voice(emu, evoice, stereo, true, mix); + if (stereo) + snd_emu10k1_playback_unmute_voice(emu, evoice + 1, true, false, mix); +} + static void snd_emu10k1_playback_mute_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) { snd_emu10k1_playback_commit_volume(emu, evoice, 0); }
+static void snd_emu10k1_playback_mute_voices(struct snd_emu10k1 *emu, + struct snd_emu10k1_voice *evoice, + bool stereo) +{ + snd_emu10k1_playback_mute_voice(emu, evoice); + if (stereo) + snd_emu10k1_playback_mute_voice(emu, evoice + 1); +} + static void snd_emu10k1_playback_commit_pitch(struct snd_emu10k1 *emu, u32 voice, u32 pitch_target) { @@ -680,22 +720,18 @@ static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: mix = &emu->pcm_mixer[substream->number]; - snd_emu10k1_playback_unmute_voice(emu, epcm->voices[0], stereo, true, mix); - if (stereo) - snd_emu10k1_playback_unmute_voice(emu, epcm->voices[0] + 1, true, false, mix); + snd_emu10k1_playback_unmute_voices(emu, epcm->voices[0], stereo, mix); snd_emu10k1_playback_set_running(emu, epcm); snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0]); snd_emu10k1_playback_trigger_voice(emu, epcm->extra); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: case SNDRV_PCM_TRIGGER_SUSPEND: snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); snd_emu10k1_playback_stop_voice(emu, epcm->extra); snd_emu10k1_playback_set_stopped(emu, epcm); - snd_emu10k1_playback_mute_voice(emu, epcm->voices[0]); - if (stereo) - snd_emu10k1_playback_mute_voice(emu, epcm->voices[0] + 1); + snd_emu10k1_playback_mute_voices(emu, epcm->voices[0], stereo); break; default: result = -EINVAL;