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-rw-r--r--sound/i2c/other/Makefile4
-rw-r--r--sound/i2c/other/ak4114.c29
-rw-r--r--sound/i2c/other/ak4117.c2
-rw-r--r--sound/i2c/other/ak4xxx-adda.c110
-rw-r--r--sound/i2c/other/pt2258.c233
5 files changed, 343 insertions, 35 deletions
diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
index 2fe023ef00a7..77a8a7c75dd9 100644
--- a/sound/i2c/other/Makefile
+++ b/sound/i2c/other/Makefile
@@ -6,11 +6,11 @@
snd-ak4114-objs := ak4114.o
snd-ak4117-objs := ak4117.o
snd-ak4xxx-adda-objs := ak4xxx-adda.o
+snd-pt2258-objs := pt2258.o
snd-tea575x-tuner-objs := tea575x-tuner.o
# Module Dependency
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o
+obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index d2f2c5078e65..adbfd5884d06 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -42,8 +42,8 @@ static void reg_write(struct ak4114 *ak4114, unsigned char reg, unsigned char va
ak4114->write(ak4114->private_data, reg, val);
if (reg <= AK4114_REG_INT1_MASK)
ak4114->regmap[reg] = val;
- else if (reg >= AK4114_REG_RXCSB0 && reg <= AK4114_REG_TXCSB4)
- ak4114->txcsb[reg-AK4114_REG_RXCSB0] = val;
+ else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4)
+ ak4114->txcsb[reg-AK4114_REG_TXCSB0] = val;
}
static inline unsigned char reg_read(struct ak4114 *ak4114, unsigned char reg)
@@ -66,10 +66,8 @@ static void snd_ak4114_free(struct ak4114 *chip)
{
chip->init = 1; /* don't schedule new work */
mb();
- if (chip->workqueue != NULL) {
- flush_workqueue(chip->workqueue);
- destroy_workqueue(chip->workqueue);
- }
+ cancel_delayed_work(&chip->work);
+ flush_scheduled_work();
kfree(chip);
}
@@ -82,7 +80,7 @@ static int snd_ak4114_dev_free(struct snd_device *device)
int snd_ak4114_create(struct snd_card *card,
ak4114_read_t *read, ak4114_write_t *write,
- unsigned char pgm[7], unsigned char txcsb[5],
+ const unsigned char pgm[7], const unsigned char txcsb[5],
void *private_data, struct ak4114 **r_ak4114)
{
struct ak4114 *chip;
@@ -100,18 +98,13 @@ int snd_ak4114_create(struct snd_card *card,
chip->read = read;
chip->write = write;
chip->private_data = private_data;
+ INIT_DELAYED_WORK(&chip->work, ak4114_stats);
for (reg = 0; reg < 7; reg++)
chip->regmap[reg] = pgm[reg];
for (reg = 0; reg < 5; reg++)
chip->txcsb[reg] = txcsb[reg];
- chip->workqueue = create_workqueue("snd-ak4114");
- if (chip->workqueue == NULL) {
- kfree(chip);
- return -ENOMEM;
- }
-
snd_ak4114_reinit(chip);
chip->rcs0 = reg_read(chip, AK4114_REG_RCS0) & ~(AK4114_QINT | AK4114_CINT);
@@ -134,7 +127,8 @@ void snd_ak4114_reg_write(struct ak4114 *chip, unsigned char reg, unsigned char
if (reg <= AK4114_REG_INT1_MASK)
reg_write(chip, reg, (chip->regmap[reg] & ~mask) | val);
else if (reg >= AK4114_REG_TXCSB0 && reg <= AK4114_REG_TXCSB4)
- reg_write(chip, reg, (chip->txcsb[reg] & ~mask) | val);
+ reg_write(chip, reg,
+ (chip->txcsb[reg-AK4114_REG_TXCSB0] & ~mask) | val);
}
void snd_ak4114_reinit(struct ak4114 *chip)
@@ -143,7 +137,7 @@ void snd_ak4114_reinit(struct ak4114 *chip)
chip->init = 1;
mb();
- flush_workqueue(chip->workqueue);
+ flush_scheduled_work();
/* bring the chip to reset state and powerdown state */
reg_write(chip, AK4114_REG_PWRDN, old & ~(AK4114_RST|AK4114_PWN));
udelay(200);
@@ -158,8 +152,7 @@ void snd_ak4114_reinit(struct ak4114 *chip)
reg_write(chip, AK4114_REG_PWRDN, old | AK4114_RST | AK4114_PWN);
/* bring up statistics / event queing */
chip->init = 0;
- INIT_DELAYED_WORK(&chip->work, ak4114_stats);
- queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
+ schedule_delayed_work(&chip->work, HZ / 10);
}
static unsigned int external_rate(unsigned char rcs1)
@@ -568,7 +561,7 @@ static void ak4114_stats(struct work_struct *work)
if (chip->init)
return;
snd_ak4114_check_rate_and_errors(chip, 0);
- queue_delayed_work(chip->workqueue, &chip->work, HZ / 10);
+ schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL(snd_ak4114_create);
diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c
index 4e45952dd95a..c022f29da2f7 100644
--- a/sound/i2c/other/ak4117.c
+++ b/sound/i2c/other/ak4117.c
@@ -74,7 +74,7 @@ static int snd_ak4117_dev_free(struct snd_device *device)
}
int snd_ak4117_create(struct snd_card *card, ak4117_read_t *read, ak4117_write_t *write,
- unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117)
+ const unsigned char pgm[5], void *private_data, struct ak4117 **r_ak4117)
{
struct ak4117 *chip;
int err = 0;
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index 5da49e2eb350..8805110017a7 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -140,7 +140,7 @@ EXPORT_SYMBOL(snd_akm4xxx_reset);
* Used for AK4524 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 +162,17 @@ 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 +184,7 @@ 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 +194,7 @@ 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 +210,7 @@ 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 */
@@ -227,7 +227,7 @@ 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 */
@@ -246,7 +246,7 @@ 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 */
@@ -259,7 +259,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
};
int chip, num_chips;
- unsigned char *ptr, reg, data, *inits;
+ const unsigned char *ptr, *inits;
+ unsigned char reg, data;
memset(ak->images, 0, sizeof(ak->images));
memset(ak->volumes, 0, sizeof(ak->volumes));
@@ -513,6 +514,66 @@ static int ak4xxx_switch_put(struct snd_kcontrol *kcontrol,
return change;
}
+#define AK5365_NUM_INPUTS 5
+
+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;
+ int num_names, idx;
+
+ input_names = ak->adc_info[mixer_ch].input_names;
+
+ num_names = 0;
+ while (num_names < AK5365_NUM_INPUTS && input_names[num_names])
+ ++num_names;
+
+ 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;
+ strncpy(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 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;
+
+ 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
*/
@@ -647,9 +708,10 @@ 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 +724,26 @@ 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;
diff --git a/sound/i2c/other/pt2258.c b/sound/i2c/other/pt2258.c
new file mode 100644
index 000000000000..e91cc3b44de5
--- /dev/null
+++ b/sound/i2c/other/pt2258.c
@@ -0,0 +1,233 @@
+/*
+ * ALSA Driver for the PT2258 volume controller.
+ *
+ * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * 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 <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/i2c.h>
+#include <sound/pt2258.h>
+
+MODULE_AUTHOR("Jochen Voss <voss@seehuhn.de>");
+MODULE_DESCRIPTION("PT2258 volume controller (Princeton Technology Corp.)");
+MODULE_LICENSE("GPL");
+
+#define PT2258_CMD_RESET 0xc0
+#define PT2258_CMD_UNMUTE 0xf8
+#define PT2258_CMD_MUTE 0xf9
+
+static const unsigned char pt2258_channel_code[12] = {
+ 0x80, 0x90, /* channel 1: -10dB, -1dB */
+ 0x40, 0x50, /* channel 2: -10dB, -1dB */
+ 0x00, 0x10, /* channel 3: -10dB, -1dB */
+ 0x20, 0x30, /* channel 4: -10dB, -1dB */
+ 0x60, 0x70, /* channel 5: -10dB, -1dB */
+ 0xa0, 0xb0 /* channel 6: -10dB, -1dB */
+};
+
+int snd_pt2258_reset(struct snd_pt2258 *pt)
+{
+ unsigned char bytes[2];
+ int i;
+
+ /* reset chip */
+ bytes[0] = PT2258_CMD_RESET;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* mute all channels */
+ pt->mute = 1;
+ bytes[0] = PT2258_CMD_MUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* set all channels to 0dB */
+ for (i = 0; i < 6; ++i)
+ pt->volume[i] = 0;
+ bytes[0] = 0xd0;
+ bytes[1] = 0xe0;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 0;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 reset failed\n");
+ return -EIO;
+}
+
+static int pt2258_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 79;
+ return 0;
+}
+
+static int pt2258_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+
+ /* chip does not support register reads */
+ ucontrol->value.integer.value[0] = 79 - pt->volume[base];
+ ucontrol->value.integer.value[1] = 79 - pt->volume[base + 1];
+ return 0;
+}
+
+static int pt2258_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+ unsigned char bytes[2];
+ int val0, val1;
+
+ val0 = 79 - ucontrol->value.integer.value[0];
+ val1 = 79 - ucontrol->value.integer.value[1];
+ if (val0 == pt->volume[base] && val1 == pt->volume[base + 1])
+ return 0;
+
+ pt->volume[base] = val0;
+ bytes[0] = pt2258_channel_code[2 * base] | (val0 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 1] | (val0 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ pt->volume[base + 1] = val1;
+ bytes[0] = pt2258_channel_code[2 * base + 2] | (val1 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 3] | (val1 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed\n");
+ return -EIO;
+}
+
+static int pt2258_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 pt2258_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+
+ ucontrol->value.integer.value[0] = !pt->mute;
+ return 0;
+}
+
+static int pt2258_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ unsigned char bytes[2];
+ int val;
+
+ val = !ucontrol->value.integer.value[0];
+ if (pt->mute == val)
+ return 0;
+
+ pt->mute = val;
+ bytes[0] = val ? PT2258_CMD_MUTE : PT2258_CMD_UNMUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed 2\n");
+ return -EIO;
+}
+
+static const DECLARE_TLV_DB_SCALE(pt2258_db_scale, -7900, 100, 0);
+
+int snd_pt2258_build_controls(struct snd_pt2258 *pt)
+{
+ struct snd_kcontrol_new knew;
+ char *names[3] = {
+ "Mic Loopback Playback Volume",
+ "Line Loopback Playback Volume",
+ "CD Loopback Playback Volume"
+ };
+ int i, err;
+
+ for (i = 0; i < 3; ++i) {
+ memset(&knew, 0, sizeof(knew));
+ knew.name = names[i];
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ knew.private_value = 2 * i;
+ knew.info = pt2258_stereo_volume_info;
+ knew.get = pt2258_stereo_volume_get;
+ knew.put = pt2258_stereo_volume_put;
+ knew.tlv.p = pt2258_db_scale;
+
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+ }
+
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Loopback Switch";
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = pt2258_switch_info;
+ knew.get = pt2258_switch_get;
+ knew.put = pt2258_switch_put;
+ knew.access = 0;
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_pt2258_reset);
+EXPORT_SYMBOL(snd_pt2258_build_controls);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.