static void
snd_nm256_ac97_write(struct snd_ac97 *ac97,
unsigned short reg, unsigned short val)
{
struct nm256 *chip = ac97->private_data;
int tries = 2;
int idx = nm256_ac97_idx(reg);
u32 base;
if (idx < 0)
return;
base = chip->mixer_base;
snd_nm256_ac97_ready(chip);
/* Wait for the write to take, too. */
while (tries-- > 0) {
snd_nm256_writew(chip, base + reg, val);
msleep(1); /* a little delay here seems better.. */
if (snd_nm256_ac97_ready(chip)) {
/* successful write: set cache */
chip->ac97_regs[idx] = val;
return;
}
}
snd_printd("nm256: ac97 codec not ready..\n");
}
static void
snd_nm256_ac97_write(struct snd_ac97 *ac97,
unsigned short reg, unsigned short val)
{
struct nm256 *chip = ac97->private_data;
int tries = 2;
int idx = nm256_ac97_idx(reg);
u32 base;
if (idx < 0)
return;
base = chip->mixer_base;
snd_nm256_ac97_ready(chip);
while (tries-- > 0) {
snd_nm256_writew(chip, base + reg, val);
msleep(1);
if (snd_nm256_ac97_ready(chip)) {
chip->ac97_regs[idx] = val;
return;
}
}
snd_printd("nm256: ac97 codec not ready..\n");
}
static void
snd_nm256_ac97_write(ac97_t *ac97,
unsigned short reg, unsigned short val)
{
nm256_t *chip = ac97->private_data;
int tries = 2;
u32 base;
base = chip->mixer_base;
snd_nm256_ac97_ready(chip);
/* Wait for the write to take, too. */
while (tries-- > 0) {
snd_nm256_writew(chip, base + reg, val);
msleep(1); /* a little delay here seems better.. */
if (snd_nm256_ac97_ready(chip))
return;
}
snd_printd("nm256: ac97 codec not ready..\n");
}
static unsigned short
snd_nm256_ac97_read(ac97_t *ac97, unsigned short reg)
{
nm256_t *chip = ac97->private_data;
int res;
if (reg >= 128)
return 0;
if (! snd_nm256_ac97_ready(chip))
return 0;
res = snd_nm256_readw(chip, chip->mixer_base + reg);
/* Magic delay. Bleah yucky. */
msleep(1);
return res;
}
