static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
{
int timeout;
for (timeout = 1000; timeout-- > 0; udelay(10))
if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
return 0;
snd_printk(KERN_WARNING "chip busy.\n");
return -EBUSY;
}
static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
unsigned char value)
{
snd_ad1816a_busy_wait(chip);
outb(value, AD1816A_REG(reg));
}
static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
{
snd_ad1816a_busy_wait(chip);
return inb(AD1816A_REG(reg));
}
inline unsigned char snd_ad1816a_in(ad1816a_t *chip, unsigned char reg)
{
snd_ad1816a_busy_wait(chip);
return inb(AD1816A_REG(reg));
}