#include <linux/init.h>
#include <sound/core.h>
#include <sound/control.h>
+#include <sound/tlv.h>
#include <sound/ak4xxx-adda.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
MODULE_LICENSE("GPL");
+/* write the given register and save the data to the cache */
void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
unsigned char val)
{
ak->ops.write(ak, chip, reg, val);
/* save the data */
- if (ak->type == SND_AK4524 || ak->type == SND_AK4528) {
- if ((reg != 0x04 && reg != 0x05) || (val & 0x80) == 0)
- snd_akm4xxx_set(ak, chip, reg, val);
- else
- snd_akm4xxx_set_ipga(ak, chip, reg, val);
- } else {
- /* AK4529, or else */
- snd_akm4xxx_set(ak, chip, reg, val);
- }
+ snd_akm4xxx_set(ak, chip, reg, val);
ak->ops.unlock(ak, chip);
}
for (reg = 0x04; reg < maxreg; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
- if (ak->type == SND_AK4528)
- continue;
- /* IPGA */
- for (reg = 0x04; reg < 0x06; reg++)
- snd_akm4xxx_write(ak, chip, reg,
- snd_akm4xxx_get_ipga(ak, chip, reg));
}
}
case SND_AK4381:
ak4381_reset(ak, state);
break;
+ default:
+ break;
}
}
EXPORT_SYMBOL(snd_akm4xxx_reset);
+
+/*
+ * Volume conversion table for non-linear volumes
+ * from -63.5dB (mute) to 0dB step 0.5dB
+ *
+ * Used for AK4524 input/ouput attenuation, AK4528, and
+ * AK5365 input attenuation
+ */
+static unsigned char vol_cvt_datt[128] = {
+ 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04,
+ 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
+ 0x06, 0x07, 0x07, 0x08, 0x08, 0x08, 0x09, 0x0a,
+ 0x0a, 0x0b, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f,
+ 0x10, 0x10, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14,
+ 0x15, 0x16, 0x17, 0x17, 0x18, 0x19, 0x1a, 0x1c,
+ 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x23,
+ 0x24, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2b, 0x2d,
+ 0x2e, 0x30, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+ 0x37, 0x38, 0x39, 0x3b, 0x3c, 0x3e, 0x3f, 0x40,
+ 0x41, 0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4a,
+ 0x4b, 0x4d, 0x4e, 0x50, 0x51, 0x52, 0x53, 0x54,
+ 0x55, 0x56, 0x58, 0x59, 0x5b, 0x5c, 0x5e, 0x5f,
+ 0x60, 0x61, 0x62, 0x64, 0x65, 0x66, 0x67, 0x69,
+ 0x6a, 0x6c, 0x6d, 0x6f, 0x70, 0x71, 0x72, 0x73,
+ 0x75, 0x76, 0x77, 0x79, 0x7a, 0x7c, 0x7d, 0x7f,
+};
+
+/*
+ * dB tables
+ */
+static DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
+static DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
+static DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
+static DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
+
/*
* initialize all the ak4xxx chips
*/
0x01, 0x03, /* 1: ADC/DAC enable */
0x04, 0x00, /* 4: ADC left muted */
0x05, 0x00, /* 5: ADC right muted */
- 0x04, 0x80, /* 4: ADC IPGA gain 0dB */
- 0x05, 0x80, /* 5: ADC IPGA gain 0dB */
0x06, 0x00, /* 6: DAC left muted */
0x07, 0x00, /* 7: DAC right muted */
0xff, 0xff
int chip, num_chips;
unsigned char *ptr, reg, data, *inits;
+ memset(ak->images, 0, sizeof(ak->images));
+ memset(ak->volumes, 0, sizeof(ak->volumes));
+
switch (ak->type) {
case SND_AK4524:
inits = inits_ak4524;
inits = inits_ak4381;
num_chips = ak->num_dacs / 2;
break;
+ case SND_AK5365:
+ /* FIXME: any init sequence? */
+ return;
default:
snd_BUG();
return;
EXPORT_SYMBOL(snd_akm4xxx_init);
+/*
+ * Mixer callbacks
+ */
+#define AK_IPGA (1<<20) /* including IPGA */
+#define AK_VOL_CVT (1<<21) /* need dB conversion */
+#define AK_NEEDSMSB (1<<22) /* need MSB update bit */
+#define AK_INVERT (1<<23) /* data is inverted */
#define AK_GET_CHIP(val) (((val) >> 8) & 0xff)
#define AK_GET_ADDR(val) ((val) & 0xff)
-#define AK_GET_SHIFT(val) (((val) >> 16) & 0x7f)
+#define AK_GET_SHIFT(val) (((val) >> 16) & 0x0f)
+#define AK_GET_VOL_CVT(val) (((val) >> 21) & 1)
+#define AK_GET_IPGA(val) (((val) >> 20) & 1)
+#define AK_GET_NEEDSMSB(val) (((val) >> 22) & 1)
#define AK_GET_INVERT(val) (((val) >> 23) & 1)
#define AK_GET_MASK(val) (((val) >> 24) & 0xff)
#define AK_COMPOSE(chip,addr,shift,mask) \
(((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
-#define AK_INVERT (1<<23)
static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
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 invert = AK_GET_INVERT(kcontrol->private_value);
- unsigned int mask = AK_GET_MASK(kcontrol->private_value);
- unsigned char val = snd_akm4xxx_get(ak, chip, addr);
-
- ucontrol->value.integer.value[0] = invert ? mask - val : val;
+
+ ucontrol->value.integer.value[0] = snd_akm4xxx_get_vol(ak, chip, addr);
return 0;
}
-static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
+static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
+ unsigned char nval)
{
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 invert = AK_GET_INVERT(kcontrol->private_value);
unsigned int mask = AK_GET_MASK(kcontrol->private_value);
- unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
- int change;
+ int chip = AK_GET_CHIP(kcontrol->private_value);
- if (invert)
+ 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;
- change = snd_akm4xxx_get(ak, chip, addr) != nval;
- if (change)
- snd_akm4xxx_write(ak, chip, addr, nval);
- return change;
+ if (AK_GET_NEEDSMSB(kcontrol->private_value))
+ nval |= 0x80;
+ 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)
+{
+ return put_ak_reg(kcontrol, AK_GET_ADDR(kcontrol->private_value),
+ ucontrol->value.integer.value[0]);
}
static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
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 invert = AK_GET_INVERT(kcontrol->private_value);
- unsigned int mask = AK_GET_MASK(kcontrol->private_value);
- unsigned char val = snd_akm4xxx_get(ak, chip, addr);
-
- ucontrol->value.integer.value[0] = invert ? mask - val : val;
-
- val = snd_akm4xxx_get(ak, chip, addr+1);
- ucontrol->value.integer.value[1] = invert ? mask - val : val;
+ 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)
{
- 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 invert = AK_GET_INVERT(kcontrol->private_value);
- unsigned int mask = AK_GET_MASK(kcontrol->private_value);
- unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
- int change0, change1;
-
- if (invert)
- nval = mask - nval;
- change0 = snd_akm4xxx_get(ak, chip, addr) != nval;
- if (change0)
- snd_akm4xxx_write(ak, chip, addr, nval);
-
- nval = ucontrol->value.integer.value[1] % (mask+1);
- if (invert)
- nval = mask - nval;
- change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval;
- if (change1)
- snd_akm4xxx_write(ak, chip, addr+1, nval);
-
-
- return change0 || change1;
-}
-
-static int snd_akm4xxx_ipga_gain_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 36;
- return 0;
-}
-
-static int snd_akm4xxx_ipga_gain_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_ipga(ak, chip, addr) & 0x7f;
- return 0;
-}
+ int change;
-static int snd_akm4xxx_ipga_gain_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);
- unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80;
- int change = snd_akm4xxx_get_ipga(ak, chip, addr) != nval;
- if (change)
- snd_akm4xxx_write(ak, chip, addr, nval);
+ change = put_ak_reg(kcontrol, addr, ucontrol->value.integer.value[0]);
+ change |= put_ak_reg(kcontrol, addr + 1,
+ ucontrol->value.integer.value[1]);
return change;
}
return change;
}
+static int ak4xxx_switch_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+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);
+ unsigned char val = snd_akm4xxx_get(ak, chip, addr);
+
+ if (invert)
+ val = ! val;
+ ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
+ return 0;
+}
+
+static int ak4xxx_switch_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);
+ int invert = AK_GET_INVERT(kcontrol->private_value);
+ long flag = ucontrol->value.integer.value[0];
+ unsigned char val, oval;
+ int change;
+
+ if (invert)
+ flag = ! flag;
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ if (flag)
+ val = oval | (1<<shift);
+ else
+ val = oval & ~(1<<shift);
+ change = (oval != val);
+ if (change)
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return change;
+}
+
/*
* build AK4xxx controls
*/
-int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
+static int build_dac_controls(struct snd_akm4xxx *ak)
{
- unsigned int idx, num_emphs;
- struct snd_kcontrol *ctl;
- int err;
- int mixer_ch = 0;
- int num_stereo;
-
- ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
- if (! ctl)
- return -ENOMEM;
+ int idx, err, mixer_ch, num_stereo;
+ struct snd_kcontrol_new knew;
+ mixer_ch = 0;
for (idx = 0; idx < ak->num_dacs; ) {
- memset(ctl, 0, sizeof(*ctl));
- if (ak->channel_names == NULL) {
- strcpy(ctl->id.name, "DAC Volume");
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
+ knew.name = "DAC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
num_stereo = 1;
- ctl->id.index = mixer_ch + ak->idx_offset * 2;
} else {
- strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
- num_stereo = ak->num_stereo[mixer_ch];
- ctl->id.index = 0;
+ knew.name = ak->dac_info[mixer_ch].name;
+ num_stereo = ak->dac_info[mixer_ch].num_channels;
}
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- ctl->count = 1;
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
if (num_stereo == 2) {
- ctl->info = snd_akm4xxx_stereo_volume_info;
- ctl->get = snd_akm4xxx_stereo_volume_get;
- ctl->put = snd_akm4xxx_stereo_volume_put;
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
} else {
- ctl->info = snd_akm4xxx_volume_info;
- ctl->get = snd_akm4xxx_volume_get;
- ctl->put = snd_akm4xxx_volume_put;
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
}
switch (ak->type) {
case SND_AK4524:
/* register 6 & 7 */
- ctl->private_value =
- AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
break;
case SND_AK4528:
/* register 4 & 5 */
- ctl->private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127) |
+ AK_VOL_CVT;
+ knew.tlv.p = db_scale_vol_datt;
break;
case SND_AK4529: {
/* registers 2-7 and b,c */
int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
- ctl->private_value =
+ knew.private_value =
AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
+ knew.tlv.p = db_scale_8bit;
break;
}
case SND_AK4355:
/* register 4-9, chip #0 only */
- ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
+ knew.private_value = AK_COMPOSE(0, idx + 4, 0, 255);
+ knew.tlv.p = db_scale_8bit;
break;
- case SND_AK4358:
- if (idx >= 6)
- /* register 4-9, chip #0 only */
- ctl->private_value =
- AK_COMPOSE(0, idx + 5, 0, 255);
- else
- /* register 4-9, chip #0 only */
- ctl->private_value =
- AK_COMPOSE(0, idx + 4, 0, 255);
+ case SND_AK4358: {
+ /* register 4-9 and 11-12, chip #0 only */
+ int addr = idx < 6 ? idx + 4 : idx + 5;
+ knew.private_value =
+ AK_COMPOSE(0, addr, 0, 127) | AK_NEEDSMSB;
+ knew.tlv.p = db_scale_7bit;
break;
+ }
case SND_AK4381:
/* register 3 & 4 */
- ctl->private_value =
+ knew.private_value =
AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
+ knew.tlv.p = db_scale_linear;
break;
default:
- err = -EINVAL;
- goto __error;
+ return -EINVAL;
}
- ctl->private_data = ak;
- err = snd_ctl_add(ak->card,
- snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
- SNDRV_CTL_ELEM_ACCESS_WRITE));
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
if (err < 0)
- goto __error;
+ return err;
idx += num_stereo;
mixer_ch++;
}
- for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
- memset(ctl, 0, sizeof(*ctl));
- strcpy(ctl->id.name, "ADC Volume");
- ctl->id.index = idx + ak->idx_offset * 2;
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- ctl->count = 1;
- ctl->info = snd_akm4xxx_volume_info;
- ctl->get = snd_akm4xxx_volume_get;
- ctl->put = snd_akm4xxx_volume_put;
- /* register 4 & 5 */
- ctl->private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
- ctl->private_data = ak;
- err = snd_ctl_add(ak->card,
- snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
- SNDRV_CTL_ELEM_ACCESS_WRITE));
- if (err < 0)
- goto __error;
-
- memset(ctl, 0, sizeof(*ctl));
- strcpy(ctl->id.name, "IPGA Analog Capture Volume");
- ctl->id.index = idx + ak->idx_offset * 2;
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- ctl->count = 1;
- ctl->info = snd_akm4xxx_ipga_gain_info;
- ctl->get = snd_akm4xxx_ipga_gain_get;
- ctl->put = snd_akm4xxx_ipga_gain_put;
+ return 0;
+}
+
+static int build_adc_controls(struct snd_akm4xxx *ak)
+{
+ int idx, err, mixer_ch, num_stereo;
+ struct snd_kcontrol_new knew;
+
+ mixer_ch = 0;
+ for (idx = 0; idx < ak->num_adcs;) {
+ memset(&knew, 0, sizeof(knew));
+ if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
+ knew.name = "ADC Volume";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ num_stereo = 1;
+ } else {
+ knew.name = ak->adc_info[mixer_ch].name;
+ num_stereo = ak->adc_info[mixer_ch].num_channels;
+ }
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ if (num_stereo == 2) {
+ knew.info = snd_akm4xxx_stereo_volume_info;
+ knew.get = snd_akm4xxx_stereo_volume_get;
+ knew.put = snd_akm4xxx_stereo_volume_put;
+ } else {
+ knew.info = snd_akm4xxx_volume_info;
+ knew.get = snd_akm4xxx_volume_get;
+ knew.put = snd_akm4xxx_volume_put;
+ }
/* register 4 & 5 */
- ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
- ctl->private_data = ak;
- err = snd_ctl_add(ak->card,
- snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
- SNDRV_CTL_ELEM_ACCESS_WRITE));
+ if (ak->type == SND_AK5365)
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
+ AK_VOL_CVT | AK_IPGA;
+ else
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
+ AK_VOL_CVT | AK_IPGA;
+ knew.tlv.p = db_scale_vol_datt;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
if (err < 0)
- goto __error;
+ return err;
+
+ if (ak->type == SND_AK5365 && (idx % 2) == 0) {
+ if (! ak->adc_info ||
+ ! ak->adc_info[mixer_ch].switch_name)
+ knew.name = "Capture Switch";
+ else
+ knew.name = ak->adc_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 2, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 2, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
+
+ idx += num_stereo;
+ mixer_ch++;
}
- if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
- num_emphs = 1;
- else
- num_emphs = ak->num_dacs / 2;
+ return 0;
+}
+
+static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
+{
+ int idx, err;
+ struct snd_kcontrol_new knew;
+
for (idx = 0; idx < num_emphs; idx++) {
- memset(ctl, 0, sizeof(*ctl));
- strcpy(ctl->id.name, "Deemphasis");
- ctl->id.index = idx + ak->idx_offset;
- ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- ctl->count = 1;
- ctl->info = snd_akm4xxx_deemphasis_info;
- ctl->get = snd_akm4xxx_deemphasis_get;
- ctl->put = snd_akm4xxx_deemphasis_put;
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Deemphasis";
+ knew.index = idx + ak->idx_offset;
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.info = snd_akm4xxx_deemphasis_info;
+ knew.get = snd_akm4xxx_deemphasis_get;
+ knew.put = snd_akm4xxx_deemphasis_put;
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
/* register 3 */
- ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
break;
case SND_AK4529: {
int shift = idx == 3 ? 6 : (2 - idx) * 2;
/* register 8 with shift */
- ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
+ knew.private_value = AK_COMPOSE(0, 8, shift, 0);
break;
}
case SND_AK4355:
case SND_AK4358:
- ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
+ knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
break;
case SND_AK4381:
- ctl->private_value = AK_COMPOSE(idx, 1, 1, 0);
+ knew.private_value = AK_COMPOSE(idx, 1, 1, 0);
break;
+ default:
+ return -EINVAL;
}
- ctl->private_data = ak;
- err = snd_ctl_add(ak->card,
- snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
- SNDRV_CTL_ELEM_ACCESS_WRITE));
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
if (err < 0)
- goto __error;
+ return err;
}
- err = 0;
-
- __error:
- kfree(ctl);
- return err;
+ return 0;
}
+int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
+{
+ int err, num_emphs;
+
+ err = build_dac_controls(ak);
+ if (err < 0)
+ return err;
+
+ err = build_adc_controls(ak);
+ if (err < 0)
+ return err;
+
+ if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
+ num_emphs = 1;
+ else
+ num_emphs = ak->num_dacs / 2;
+ err = build_deemphasis(ak, num_emphs);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
EXPORT_SYMBOL(snd_akm4xxx_build_controls);
static int __init alsa_akm4xxx_module_init(void)
git://git.onelab.eu / linux-2.6.git / blobdiff