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| author | James Courtier-Dutton <James@superbug.co.uk> | 2006-10-10 18:08:45 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-02-09 09:00:40 +0100 |
| commit | b0dbdaea55d55c05be972cd2a040acfa073b0509 (patch) | |
| tree | d1bcb3f75e87dd524832a43935c4c6569ca2f76a /sound/pci/emu10k1/emupcm.c | |
| parent | 0f71e8b98506252db22a0c4fcfecb0aadcf393cc (diff) | |
| download | kernel_samsung_smdk4412-b0dbdaea55d55c05be972cd2a040acfa073b0509.zip kernel_samsung_smdk4412-b0dbdaea55d55c05be972cd2a040acfa073b0509.tar.gz kernel_samsung_smdk4412-b0dbdaea55d55c05be972cd2a040acfa073b0509.tar.bz2 | |
[ALSA] snd-emu10k1: Add emu1010 internal clock rate control for 44100 or 48000.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/emu10k1/emupcm.c')
| -rw-r--r-- | sound/pci/emu10k1/emupcm.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c index 44d098a..ab4f5df 100644 --- a/sound/pci/emu10k1/emupcm.c +++ b/sound/pci/emu10k1/emupcm.c @@ -358,7 +358,10 @@ static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); - pitch_target = emu10k1_calc_pitch_target(runtime->rate); + if (emu->card_capabilities->emu1010) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); if (extra) snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | emu10k1_select_interprom(pitch_target) | @@ -698,7 +701,10 @@ static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct s voice = evoice->number; pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; - pitch_target = emu10k1_calc_pitch_target(runtime->rate); + if (emu->card_capabilities->emu1010) + pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ + else + pitch_target = emu10k1_calc_pitch_target(runtime->rate); snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); if (master || evoice->epcm->type == PLAYBACK_EFX) snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); @@ -1247,10 +1253,20 @@ static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) * for 192kHz 24bit, one has 2 channels */ #if 1 - /* For 48kHz */ - runtime->hw.rates = SNDRV_PCM_RATE_48000; - runtime->hw.rate_min = runtime->hw.rate_max = 48000; - runtime->hw.channels_min = runtime->hw.channels_max = 8; + switch (emu->emu1010.internal_clock) { + case 0: + /* For 44.1kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_44100; + runtime->hw.rate_min = runtime->hw.rate_max = 44100; + runtime->hw.channels_min = runtime->hw.channels_max = 8; + break; + case 1: + /* For 48kHz */ + runtime->hw.rates = SNDRV_PCM_RATE_48000; + runtime->hw.rate_min = runtime->hw.rate_max = 48000; + runtime->hw.channels_min = runtime->hw.channels_max = 8; + break; + }; #endif #if 0 /* For 96kHz */ |