diff options
| author | Oswald Buddenhagen <oswald.buddenhagen@gmx.de> | 2024-04-06 08:48:23 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-04-07 08:35:50 +0200 |
| commit | bca5174b437307c9315e25768ed2b2bfcf6f561c (patch) | |
| tree | bbac0476bf46aab6418b4aa684784c5ce5d0e3b8 | |
| parent | 38fc804a776ea66ca8ac8113022e445c587f5e01 (diff) | |
ALSA: emu10k1: fix playback of 8-bit wavetable samples
Samples are byte-sized in this mode, and thus the offset calculation
needs no shifting.
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Message-ID: <20240406064830.1029573-11-oswald.buddenhagen@gmx.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/emu10k1/emu10k1_callback.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c index 941bfbf812ed..5f6c47cbb809 100644 --- a/sound/pci/emu10k1/emu10k1_callback.c +++ b/sound/pci/emu10k1/emu10k1_callback.c @@ -310,6 +310,7 @@ start_voice(struct snd_emux_voice *vp) { unsigned int temp; int ch; + bool w_16; u32 psst, dsl, map, ccca, vtarget; unsigned int addr, mapped_offset; struct snd_midi_channel *chan; @@ -321,6 +322,7 @@ start_voice(struct snd_emux_voice *vp) if (snd_BUG_ON(ch < 0)) return -EINVAL; chan = vp->chan; + w_16 = !(vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS); emem = (struct snd_emu10k1_memblk *)vp->block; if (emem == NULL) @@ -330,7 +332,7 @@ start_voice(struct snd_emux_voice *vp) /* dev_err(hw->card->devK, "emu: cannot map!\n"); */ return -ENOMEM; } - mapped_offset = snd_emu10k1_memblk_offset(emem) >> 1; + mapped_offset = snd_emu10k1_memblk_offset(emem) >> w_16; vp->reg.start += mapped_offset; vp->reg.end += mapped_offset; vp->reg.loopstart += mapped_offset; @@ -371,7 +373,7 @@ start_voice(struct snd_emux_voice *vp) unsigned int shift = (vp->apitch - 0xe000) >> 10; ccca |= shift << 25; } - if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS) + if (!w_16) ccca |= CCCA_8BITSELECT; vtarget = (unsigned int)vp->vtarget << 16; |