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Diffstat (limited to 'sound/i2c/other/ak4xxx-adda.c')
-rw-r--r--sound/i2c/other/ak4xxx-adda.c324
1 files changed, 259 insertions, 65 deletions
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index 5da49e2eb35..f3735e64791 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -2,7 +2,7 @@
* ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
* AD and DA converters
*
- * Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>,
+ * Copyright (c) 2000-2004 Jaroslav Kysela <perex@perex.cz>,
* Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
@@ -19,19 +19,20 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
- */
+ */
-#include <sound/driver.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
+#include <linux/module.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/ak4xxx-adda.h>
+#include <sound/info.h>
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx AD/DA converters");
MODULE_LICENSE("GPL");
@@ -53,25 +54,21 @@ EXPORT_SYMBOL(snd_akm4xxx_write);
static void ak4524_reset(struct snd_akm4xxx *ak, int state)
{
unsigned int chip;
- unsigned char reg, maxreg;
+ unsigned char reg;
- if (ak->type == SND_AK4528)
- maxreg = 0x06;
- else
- maxreg = 0x08;
for (chip = 0; chip < ak->num_dacs/2; chip++) {
snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
if (state)
continue;
/* DAC volumes */
- for (reg = 0x04; reg < maxreg; reg++)
+ for (reg = 0x04; reg < ak->total_regs; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
}
}
/* reset procedure for AK4355 and AK4358 */
-static void ak4355_reset(struct snd_akm4xxx *ak, int state)
+static void ak435X_reset(struct snd_akm4xxx *ak, int state)
{
unsigned char reg;
@@ -79,7 +76,7 @@ static void ak4355_reset(struct snd_akm4xxx *ak, int state)
snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
return;
}
- for (reg = 0x00; reg < 0x0b; reg++)
+ for (reg = 0x00; reg < ak->total_regs; reg++)
if (reg != 0x01)
snd_akm4xxx_write(ak, 0, reg,
snd_akm4xxx_get(ak, 0, reg));
@@ -91,12 +88,11 @@ static void ak4381_reset(struct snd_akm4xxx *ak, int state)
{
unsigned int chip;
unsigned char reg;
-
for (chip = 0; chip < ak->num_dacs/2; chip++) {
snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
if (state)
continue;
- for (reg = 0x01; reg < 0x05; reg++)
+ for (reg = 0x01; reg < ak->total_regs; reg++)
snd_akm4xxx_write(ak, chip, reg,
snd_akm4xxx_get(ak, chip, reg));
}
@@ -113,14 +109,17 @@ void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
+ case SND_AK4620:
ak4524_reset(ak, state);
break;
case SND_AK4529:
/* FIXME: needed for ak4529? */
break;
case SND_AK4355:
+ ak435X_reset(ak, state);
+ break;
case SND_AK4358:
- ak4355_reset(ak, state);
+ ak435X_reset(ak, state);
break;
case SND_AK4381:
ak4381_reset(ak, state);
@@ -137,10 +136,10 @@ 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
+ * Used for AK4524/AK4620 input/ouput attenuation, AK4528, and
* AK5365 input attenuation
*/
-static unsigned char vol_cvt_datt[128] = {
+static const 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,
@@ -162,17 +161,17 @@ static unsigned char vol_cvt_datt[128] = {
/*
* 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);
+static const DECLARE_TLV_DB_SCALE(db_scale_vol_datt, -6350, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_8bit, -12750, 50, 1);
+static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -6350, 50, 1);
+static const DECLARE_TLV_DB_LINEAR(db_scale_linear, TLV_DB_GAIN_MUTE, 0);
/*
* initialize all the ak4xxx chips
*/
void snd_akm4xxx_init(struct snd_akm4xxx *ak)
{
- static unsigned char inits_ak4524[] = {
+ static const unsigned char inits_ak4524[] = {
0x00, 0x07, /* 0: all power up */
0x01, 0x00, /* 1: ADC/DAC reset */
0x02, 0x60, /* 2: 24bit I2S */
@@ -184,7 +183,7 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x07, 0x00, /* 7: DAC right muted */
0xff, 0xff
};
- static unsigned char inits_ak4528[] = {
+ static const unsigned char inits_ak4528[] = {
0x00, 0x07, /* 0: all power up */
0x01, 0x00, /* 1: ADC/DAC reset */
0x02, 0x60, /* 2: 24bit I2S */
@@ -194,7 +193,7 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x05, 0x00, /* 5: ADC right muted */
0xff, 0xff
};
- static unsigned char inits_ak4529[] = {
+ static const unsigned char inits_ak4529[] = {
0x09, 0x01, /* 9: ATS=0, RSTN=1 */
0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
@@ -210,7 +209,7 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x08, 0x55, /* 8: deemphasis all off */
0xff, 0xff
};
- static unsigned char inits_ak4355[] = {
+ static const unsigned char inits_ak4355[] = {
0x01, 0x02, /* 1: reset and soft-mute */
0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
* disable DZF, sharp roll-off, RSTN#=0 */
@@ -227,12 +226,12 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x01, 0x01, /* 1: un-reset, unmute */
0xff, 0xff
};
- static unsigned char inits_ak4358[] = {
+ static const unsigned char inits_ak4358[] = {
0x01, 0x02, /* 1: reset and soft-mute */
0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
* disable DZF, sharp roll-off, RSTN#=0 */
- 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
- // 0x02, 0x2e, /* quad speed */
+ 0x02, 0x4e, /* 2: DA's power up, normal speed, RSTN#=0 */
+ /* 0x02, 0x6e,*/ /* quad speed */
0x03, 0x01, /* 3: de-emphasis off */
0x04, 0x00, /* 4: LOUT1 volume muted */
0x05, 0x00, /* 5: ROUT1 volume muted */
@@ -246,7 +245,7 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x01, 0x01, /* 1: un-reset, unmute */
0xff, 0xff
};
- static unsigned char inits_ak4381[] = {
+ static const unsigned char inits_ak4381[] = {
0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
0x01, 0x02, /* 1: de-emphasis off, normal speed,
* sharp roll-off, DZF off */
@@ -257,9 +256,24 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
0x00, 0x0f, /* 0: power-up, un-reset */
0xff, 0xff
};
+ static const unsigned char inits_ak4620[] = {
+ 0x00, 0x07, /* 0: normal */
+ 0x01, 0x00, /* 0: reset */
+ 0x01, 0x02, /* 1: RSTAD */
+ 0x01, 0x03, /* 1: RSTDA */
+ 0x01, 0x0f, /* 1: normal */
+ 0x02, 0x60, /* 2: 24bit I2S */
+ 0x03, 0x01, /* 3: deemphasis off */
+ 0x04, 0x00, /* 4: LIN muted */
+ 0x05, 0x00, /* 5: RIN muted */
+ 0x06, 0x00, /* 6: LOUT muted */
+ 0x07, 0x00, /* 7: ROUT muted */
+ 0xff, 0xff
+ };
- int chip, num_chips;
- unsigned char *ptr, reg, data, *inits;
+ int chip;
+ const unsigned char *ptr, *inits;
+ unsigned char reg, data;
memset(ak->images, 0, sizeof(ak->images));
memset(ak->volumes, 0, sizeof(ak->volumes));
@@ -267,42 +281,64 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
switch (ak->type) {
case SND_AK4524:
inits = inits_ak4524;
- num_chips = ak->num_dacs / 2;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4524";
+ ak->total_regs = 0x08;
break;
case SND_AK4528:
inits = inits_ak4528;
- num_chips = ak->num_dacs / 2;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4528";
+ ak->total_regs = 0x06;
break;
case SND_AK4529:
inits = inits_ak4529;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4529";
+ ak->total_regs = 0x0d;
break;
case SND_AK4355:
inits = inits_ak4355;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4355";
+ ak->total_regs = 0x0b;
break;
case SND_AK4358:
inits = inits_ak4358;
- num_chips = 1;
+ ak->num_chips = 1;
+ ak->name = "ak4358";
+ ak->total_regs = 0x10;
break;
case SND_AK4381:
inits = inits_ak4381;
- num_chips = ak->num_dacs / 2;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4381";
+ ak->total_regs = 0x05;
break;
case SND_AK5365:
/* FIXME: any init sequence? */
+ ak->num_chips = 1;
+ ak->name = "ak5365";
+ ak->total_regs = 0x08;
return;
+ case SND_AK4620:
+ inits = inits_ak4620;
+ ak->num_chips = ak->num_dacs / 2;
+ ak->name = "ak4620";
+ ak->total_regs = 0x08;
+ break;
default:
snd_BUG();
return;
}
- for (chip = 0; chip < num_chips; chip++) {
+ for (chip = 0; chip < ak->num_chips; chip++) {
ptr = inits;
while (*ptr != 0xff) {
reg = *ptr++;
data = *ptr++;
snd_akm4xxx_write(ak, chip, reg, data);
+ udelay(10);
}
}
}
@@ -369,6 +405,8 @@ static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
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;
}
@@ -376,8 +414,11 @@ static int put_ak_reg(struct snd_kcontrol *kcontrol, int addr,
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]);
+ 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,
@@ -408,11 +449,16 @@ 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;
- change = put_ak_reg(kcontrol, addr, ucontrol->value.integer.value[0]);
- change |= put_ak_reg(kcontrol, addr + 1,
- ucontrol->value.integer.value[1]);
+ 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;
}
@@ -462,15 +508,7 @@ static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
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;
-}
+#define ak4xxx_switch_info snd_ctl_boolean_mono_info
static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
@@ -480,8 +518,8 @@ static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
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);
-
+ /* 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;
@@ -513,6 +551,81 @@ static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
return change;
}
+#define AK5365_NUM_INPUTS 5
+
+static int ak4xxx_capture_num_inputs(struct snd_akm4xxx *ak, int mixer_ch)
+{
+ int num_names;
+ const char **input_names;
+
+ input_names = ak->adc_info[mixer_ch].input_names;
+ num_names = 0;
+ while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
+ ++num_names;
+ return num_names;
+}
+
+static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ const char **input_names;
+ unsigned int num_names, idx;
+
+ num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+ if (!num_names)
+ return -EINVAL;
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = num_names;
+ idx = uinfo->value.enumerated.item;
+ if (idx >= num_names)
+ return -EINVAL;
+ input_names = ak->adc_info[mixer_ch].input_names;
+ strlcpy(uinfo->value.enumerated.name, input_names[idx],
+ sizeof(uinfo->value.enumerated.name));
+ return 0;
+}
+
+static int ak4xxx_capture_source_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 mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char val;
+
+ val = snd_akm4xxx_get(ak, chip, addr) & mask;
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int ak4xxx_capture_source_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
+ int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
+ int chip = AK_GET_CHIP(kcontrol->private_value);
+ int addr = AK_GET_ADDR(kcontrol->private_value);
+ int mask = AK_GET_MASK(kcontrol->private_value);
+ unsigned char oval, val;
+ int num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
+
+ if (ucontrol->value.enumerated.item[0] >= num_names)
+ return -EINVAL;
+
+ oval = snd_akm4xxx_get(ak, chip, addr);
+ val = oval & ~mask;
+ val |= ucontrol->value.enumerated.item[0] & mask;
+ if (val != oval) {
+ snd_akm4xxx_write(ak, chip, addr, val);
+ return 1;
+ }
+ return 0;
+}
+
/*
* build AK4xxx controls
*/
@@ -524,6 +637,26 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
mixer_ch = 0;
for (idx = 0; idx < ak->num_dacs; ) {
+ /* mute control for Revolution 7.1 - AK4381 */
+ if (ak->type == SND_AK4381
+ && ak->dac_info[mixer_ch].switch_name) {
+ memset(&knew, 0, sizeof(knew));
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+ knew.name = ak->dac_info[mixer_ch].switch_name;
+ knew.info = ak4xxx_switch_info;
+ knew.get = ak4xxx_switch_get;
+ knew.put = ak4xxx_switch_put;
+ knew.access = 0;
+ /* register 1, bit 0 (SMUTE): 0 = normal operation,
+ 1 = mute */
+ knew.private_value =
+ AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
+ }
memset(&knew, 0, sizeof(knew));
if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
knew.name = "DAC Volume";
@@ -588,6 +721,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
knew.tlv.p = db_scale_linear;
break;
+ case SND_AK4620:
+ /* register 6 & 7 */
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 6, 0, 255);
+ knew.tlv.p = db_scale_linear;
+ break;
default:
return -EINVAL;
}
@@ -604,10 +743,12 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
static int build_adc_controls(struct snd_akm4xxx *ak)
{
- int idx, err, mixer_ch, num_stereo;
+ int idx, err, mixer_ch, num_stereo, max_steps;
struct snd_kcontrol_new knew;
mixer_ch = 0;
+ if (ak->type == SND_AK4528)
+ return 0; /* no controls */
for (idx = 0; idx < ak->num_adcs;) {
memset(&knew, 0, sizeof(knew));
if (! ak->adc_info || ! ak->adc_info[mixer_ch].name) {
@@ -633,13 +774,12 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
}
/* register 4 & 5 */
if (ak->type == SND_AK5365)
- knew.private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 151) |
- AK_VOL_CVT | AK_IPGA;
+ max_steps = 152;
else
- knew.private_value =
- AK_COMPOSE(idx/2, (idx%2) + 4, 0, 163) |
- AK_VOL_CVT | AK_IPGA;
+ max_steps = 164;
+ knew.private_value =
+ AK_COMPOSE(idx/2, (idx%2) + 4, 0, max_steps) |
+ 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)
@@ -647,9 +787,10 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
if (ak->type == SND_AK5365 && (idx % 2) == 0) {
if (! ak->adc_info ||
- ! ak->adc_info[mixer_ch].switch_name)
+ ! ak->adc_info[mixer_ch].switch_name) {
knew.name = "Capture Switch";
- else
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ } else
knew.name = ak->adc_info[mixer_ch].switch_name;
knew.info = ak4xxx_switch_info;
knew.get = ak4xxx_switch_get;
@@ -662,6 +803,26 @@ static int build_adc_controls(struct snd_akm4xxx *ak)
err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
if (err < 0)
return err;
+
+ memset(&knew, 0, sizeof(knew));
+ knew.name = ak->adc_info[mixer_ch].selector_name;
+ if (!knew.name) {
+ knew.name = "Capture Channel";
+ knew.index = mixer_ch + ak->idx_offset * 2;
+ }
+
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = ak4xxx_capture_source_info;
+ knew.get = ak4xxx_capture_source_get;
+ knew.put = ak4xxx_capture_source_put;
+ knew.access = 0;
+ /* input selector control: reg. 1, bits 0-2.
+ * mis-use 'shift' to pass mixer_ch */
+ knew.private_value
+ = AK_COMPOSE(idx/2, 1, mixer_ch, 0x07);
+ err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+ if (err < 0)
+ return err;
}
idx += num_stereo;
@@ -687,6 +848,7 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
switch (ak->type) {
case SND_AK4524:
case SND_AK4528:
+ case SND_AK4620:
/* register 3 */
knew.private_value = AK_COMPOSE(idx, 3, 0, 0);
break;
@@ -713,6 +875,35 @@ static int build_deemphasis(struct snd_akm4xxx *ak, int num_emphs)
return 0;
}
+#ifdef CONFIG_PROC_FS
+static void proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_akm4xxx *ak = entry->private_data;
+ int reg, val, chip;
+ for (chip = 0; chip < ak->num_chips; chip++) {
+ for (reg = 0; reg < ak->total_regs; reg++) {
+ val = snd_akm4xxx_get(ak, chip, reg);
+ snd_iprintf(buffer, "chip %d: 0x%02x = 0x%02x\n", chip,
+ reg, val);
+ }
+ }
+}
+
+static int proc_init(struct snd_akm4xxx *ak)
+{
+ struct snd_info_entry *entry;
+ int err;
+ err = snd_card_proc_new(ak->card, ak->name, &entry);
+ if (err < 0)
+ return err;
+ snd_info_set_text_ops(entry, ak, proc_regs_read);
+ return 0;
+}
+#else /* !CONFIG_PROC_FS */
+static int proc_init(struct snd_akm4xxx *ak) { return 0; }
+#endif
+
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
{
int err, num_emphs;
@@ -724,18 +915,21 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
err = build_adc_controls(ak);
if (err < 0)
return err;
-
if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
num_emphs = 1;
+ else if (ak->type == SND_AK4620)
+ num_emphs = 0;
else
num_emphs = ak->num_dacs / 2;
err = build_deemphasis(ak, num_emphs);
if (err < 0)
return err;
+ err = proc_init(ak);
+ if (err < 0)
+ return err;
return 0;
}
-
EXPORT_SYMBOL(snd_akm4xxx_build_controls);
static int __init alsa_akm4xxx_module_init(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 22:18:46 +0000