There is no reason to nail it to 16 channels.
Signed-off-by: Oswald Buddenhagen oswald.buddenhagen@gmx.de --- sound/pci/emu10k1/emupcm.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index 4df6f5285993..e34b02e9f890 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -430,18 +430,18 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) struct snd_emu10k1_pcm *epcm = runtime->private_data; unsigned int start_addr; unsigned int extra_size, channel_size; - int i; + unsigned int i;
start_addr = epcm->start_addr >> 1; // 16-bit voices
extra_size = runtime->period_size; channel_size = runtime->buffer_size;
snd_emu10k1_pcm_init_extra_voice(emu, epcm->extra, true, start_addr, start_addr + extra_size);
epcm->ccca_start_addr = start_addr; - for (i = 0; i < NUM_EFX_PLAYBACK; i++) { + for (i = 0; i < runtime->channels; i++) { snd_emu10k1_pcm_init_voices(emu, epcm->voices[i], true, false, start_addr, start_addr + channel_size, &emu->efx_pcm_mixer[i]); @@ -461,7 +461,7 @@ static const struct snd_pcm_hardware snd_emu10k1_efx_playback = .rates = SNDRV_PCM_RATE_48000, .rate_min = 48000, .rate_max = 48000, - .channels_min = NUM_EFX_PLAYBACK, + .channels_min = 1, .channels_max = NUM_EFX_PLAYBACK, .buffer_bytes_max = (128*1024), .period_bytes_max = (128*1024), @@ -903,32 +903,32 @@ static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_RESUME: mask = snd_emu10k1_efx_playback_voice_mask( - epcm, NUM_EFX_PLAYBACK); + epcm, runtime->channels); for (int i = 0; i < 10; i++) { // Note that the freeze is not interruptible, so we make no // effort to reset the bits outside the error handling here. snd_emu10k1_voice_set_loop_stop_multiple(emu, mask); snd_emu10k1_efx_playback_freeze_voices( - emu, epcm, NUM_EFX_PLAYBACK); + emu, epcm, runtime->channels); snd_emu10k1_playback_prepare_voices( - emu, epcm, true, false, NUM_EFX_PLAYBACK); + emu, epcm, true, false, runtime->channels);
// It might seem to make more sense to unmute the voices only after // they have been started, to potentially avoid torturing the speakers // if something goes wrong. However, we cannot unmute atomically, // which means that we'd get some mild artifacts in the regular case. - snd_emu10k1_efx_playback_unmute_voices(emu, epcm, NUM_EFX_PLAYBACK); + snd_emu10k1_efx_playback_unmute_voices(emu, epcm, runtime->channels);
snd_emu10k1_playback_set_running(emu, epcm); result = snd_emu10k1_voice_clear_loop_stop_multiple_atomic(emu, mask); if (result == 0) { // The extra voice is allowed to lag a bit snd_emu10k1_playback_trigger_voice(emu, epcm->extra); goto leave; }
snd_emu10k1_efx_playback_stop_voices( - emu, epcm, NUM_EFX_PLAYBACK); + emu, epcm, runtime->channels);
if (result != -EAGAIN) break; @@ -941,7 +941,7 @@ static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_PAUSE_PUSH: snd_emu10k1_playback_stop_voice(emu, epcm->extra); snd_emu10k1_efx_playback_stop_voices( - emu, epcm, NUM_EFX_PLAYBACK); + emu, epcm, runtime->channels);
epcm->resume_pos = snd_emu10k1_playback_pointer(substream); break;