static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
unsigned char nval)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
int chip = AK_GET_CHIP(kcontrol->private_value);
if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
return 0;
snd_akm4xxx_set_vol(ak, chip, addr, nval);
if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
nval = vol_cvt_datt[nval];
if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
if (AK_GET_INVERT(kcontrol->private_value))
nval = mask - nval;
if (AK_GET_NEEDSMSB(kcontrol->private_value))
nval |= 0x80;
/* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x,
nval %x\n", chip, addr, nval); */
snd_akm4xxx_write(ak, chip, addr, nval);
return 1;
}
static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
unsigned char nval)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
int chip = AK_GET_CHIP(kcontrol->private_value);
if (snd_akm4xxx_get_vol(ak, chip, addr) == nval)
return 0;
snd_akm4xxx_set_vol(ak, chip, addr, nval);
if (AK_GET_VOL_CVT(kcontrol->private_value) && nval < 128)
nval = vol_cvt_datt[nval];
if (AK_GET_IPGA(kcontrol->private_value) && nval >= 128)
nval++; /* need to correct + 1 since both 127 and 128 are 0dB */
if (AK_GET_INVERT(kcontrol->private_value))
nval = mask - nval;
if (AK_GET_NEEDSMSB(kcontrol->private_value))
nval |= 0x80;
#ifdef CONFIG_DEBUG_PRINTK
/* printk(KERN_DEBUG "DEBUG - AK writing reg: chip %x addr %x,
nval %x\n", chip, addr, nval); */
#else
/* ;
#endif
snd_akm4xxx_write(ak, chip, addr, nval);
return 1;
}
static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned int val = ucontrol->value.integer.value[0];
if (val > mask)
return -EINVAL;
return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value), val);
}
static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = mask;
return 0;
}
static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
ucontrol->value.integer.value[1] = snd_akm4xxx_get_vol(ak, chip, addr+1);
return 0;
}
static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int addr = AK_GET_ADDR(kcontrol->private_value);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
unsigned int val[2];
int change;
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > mask || val[1] > mask)
return -EINVAL;
change = put_ak_reg(kcontrol, addr, val[0]);
change |= put_ak_reg(kcontrol, addr + 1, val[1]);
return change;
}
static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[4] = {
"44.1kHz", "Off", "48kHz", "32kHz",
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 4;
if (uinfo->value.enumerated.item >= 4)
uinfo->value.enumerated.item = 3;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int shift = AK_GET_SHIFT(kcontrol->private_value);
ucontrol->value.enumerated.item[0] =
(snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
return 0;
}
static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int shift = AK_GET_SHIFT(kcontrol->private_value);
unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
int change;
nval = (nval << shift) |
(snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
change = snd_akm4xxx_get(ak, chip, addr) != nval;
if (change)
snd_akm4xxx_write(ak, chip, addr, nval);
return change;
}
#define ak4xxx_switch_info snd_ctl_boolean_mono_info
static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int chip = AK_GET_CHIP(kcontrol->private_value);
int addr = AK_GET_ADDR(kcontrol->private_value);
int shift = AK_GET_SHIFT(kcontrol->private_value);
int invert = AK_GET_INVERT(kcontrol->private_value);
/* we observe the (1<<shift) bit only */
unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
if (invert)
val = ! val;
ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
return 0;
}
