return 0;
}
+// Primes 2-7 and 2^n multiples thereof, up to 16.
+static const unsigned int efx_capture_channels[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_efx_capture_channels = {
+ .count = ARRAY_SIZE(efx_capture_channels),
+ .list = efx_capture_channels,
+ .mask = 0
+};
+
static const unsigned int capture_buffer_sizes[31] = {
384, 448, 512, 640,
384*2, 448*2, 512*2, 640*2,
struct snd_emu10k1_pcm *epcm;
struct snd_pcm_runtime *runtime = substream->runtime;
int nefx = emu->audigy ? 64 : 32;
- int idx;
+ int idx, err;
epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
if (epcm == NULL)
epcm->capture_cr_val = emu->efx_voices_mask[0];
epcm->capture_cr_val2 = emu->efx_voices_mask[1];
spin_unlock_irq(&emu->reg_lock);
+ err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &hw_constraints_efx_capture_channels);
+ if (err < 0) {
+ kfree(epcm);
+ return err;
+ }
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
&hw_constraints_capture_buffer_sizes);
emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
unsigned int nval[2], bits;
int nefx = emu->audigy ? 64 : 32;
- int nefxb = emu->audigy ? 7 : 6;
int change, idx;
nval[0] = nval[1] = 0;
bits++;
}
- // Check that the number of requested channels is a power of two
- // not bigger than the number of available channels.
- for (idx = 0; idx < nefxb; idx++)
- if (1 << idx == bits)
- break;
- if (idx >= nefxb)
+ if (bits == 9 || bits == 11 || bits == 13 || bits == 15 || bits > 16)
return -EINVAL;
spin_lock_irq(&emu->reg_lock);