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authorJames Courtier-Dutton <James@superbug.co.uk>2006-10-10 18:08:45 +0100
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:00:40 +0100
commitb0dbdaea55d55c05be972cd2a040acfa073b0509 (patch)
treed1bcb3f75e87dd524832a43935c4c6569ca2f76a /sound/pci/emu10k1/emupcm.c
parent0f71e8b98506252db22a0c4fcfecb0aadcf393cc (diff)
[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.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index 44d098ac86d..ab4f5df5241 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 */