void snd_ak4113_reinit(struct ak4113 *chip)
{
if (atomic_inc_return(&chip->wq_processing) == 1)
cancel_delayed_work_sync(&chip->work);
ak4113_init_regs(chip);
/* bring up statistics / event queing */
if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
void snd_ak4113_reinit(struct ak4113 *chip)
{
chip->init = 1;
mb();
flush_delayed_work_sync(&chip->work);
ak4113_init_regs(chip);
/* bring up statistics / event queing */
chip->init = 0;
if (chip->kctls[0])
schedule_delayed_work(&chip->work, HZ / 10);
}
int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
ak4113_write_t *write, const unsigned char *pgm,
void *private_data, struct ak4113 **r_ak4113)
{
struct ak4113 *chip;
int err = 0;
unsigned char reg;
static struct snd_device_ops ops = {
.dev_free = snd_ak4113_dev_free,
};
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
spin_lock_init(&chip->lock);
chip->card = card;
chip->read = read;
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4113_stats);
atomic_set(&chip->wq_processing, 0);
for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
chip->regmap[reg] = pgm[reg];
ak4113_init_regs(chip);
chip->rcs0 = reg_read(chip, AK4113_REG_RCS0) & ~(AK4113_QINT |
AK4113_CINT | AK4113_STC);
chip->rcs1 = reg_read(chip, AK4113_REG_RCS1);
chip->rcs2 = reg_read(chip, AK4113_REG_RCS2);
err = snd_device_new(card, SNDRV_DEV_CODEC, chip, &ops);
if (err < 0)
goto __fail;
if (r_ak4113)
*r_ak4113 = chip;
return 0;
__fail:
snd_ak4113_free(chip);
return err < 0 ? err : -EIO;
}
