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Diffstat (limited to 'sound/ppc/daca.c')
-rw-r--r--sound/ppc/daca.c107
1 files changed, 53 insertions, 54 deletions
diff --git a/sound/ppc/daca.c b/sound/ppc/daca.c
index a737f298e77..b86526223e4 100644
--- a/sound/ppc/daca.c
+++ b/sound/ppc/daca.c
@@ -19,10 +19,8 @@
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/i2c.h>
-#include <linux/i2c-dev.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -40,18 +38,18 @@
#define DACA_VOL_MAX 0x38
-typedef struct pmac_daca_t {
- pmac_keywest_t i2c;
+struct pmac_daca {
+ struct pmac_keywest i2c;
int left_vol, right_vol;
unsigned int deemphasis : 1;
unsigned int amp_on : 1;
-} pmac_daca_t;
+};
/*
* initialize / detect DACA
*/
-static int daca_init_client(pmac_keywest_t *i2c)
+static int daca_init_client(struct pmac_keywest *i2c)
{
unsigned short wdata = 0x00;
/* SR: no swap, 1bit delay, 32-48kHz */
@@ -66,7 +64,7 @@ static int daca_init_client(pmac_keywest_t *i2c)
/*
* update volume
*/
-static int daca_set_volume(pmac_daca_t *mix)
+static int daca_set_volume(struct pmac_daca *mix)
{
unsigned char data[2];
@@ -84,7 +82,7 @@ static int daca_set_volume(pmac_daca_t *mix)
data[1] |= mix->deemphasis ? 0x40 : 0;
if (i2c_smbus_write_block_data(mix->i2c.client, DACA_REG_AVOL,
2, data) < 0) {
- snd_printk("failed to set volume \n");
+ snd_printk(KERN_ERR "failed to set volume \n");
return -EINVAL;
}
return 0;
@@ -92,43 +90,39 @@ static int daca_set_volume(pmac_daca_t *mix)
/* deemphasis switch */
-static int daca_info_deemphasis(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
- return 0;
-}
+#define daca_info_deemphasis snd_ctl_boolean_mono_info
-static int daca_get_deemphasis(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_get_deemphasis(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
if (! (mix = chip->mixer_data))
return -ENODEV;
ucontrol->value.integer.value[0] = mix->deemphasis ? 1 : 0;
return 0;
}
-static int daca_put_deemphasis(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_put_deemphasis(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
change = mix->deemphasis != ucontrol->value.integer.value[0];
if (change) {
- mix->deemphasis = ucontrol->value.integer.value[0];
+ mix->deemphasis = !!ucontrol->value.integer.value[0];
daca_set_volume(mix);
}
return change;
}
/* output volume */
-static int daca_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+static int daca_info_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
@@ -137,10 +131,11 @@ static int daca_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo
return 0;
}
-static int daca_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_get_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
if (! (mix = chip->mixer_data))
return -ENODEV;
ucontrol->value.integer.value[0] = mix->left_vol;
@@ -148,19 +143,25 @@ static int daca_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucont
return 0;
}
-static int daca_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_put_volume(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
+ unsigned int vol[2];
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
- change = mix->left_vol != ucontrol->value.integer.value[0] ||
- mix->right_vol != ucontrol->value.integer.value[1];
+ vol[0] = ucontrol->value.integer.value[0];
+ vol[1] = ucontrol->value.integer.value[1];
+ if (vol[0] > DACA_VOL_MAX || vol[1] > DACA_VOL_MAX)
+ return -EINVAL;
+ change = mix->left_vol != vol[0] ||
+ mix->right_vol != vol[1];
if (change) {
- mix->left_vol = ucontrol->value.integer.value[0];
- mix->right_vol = ucontrol->value.integer.value[1];
+ mix->left_vol = vol[0];
+ mix->right_vol = vol[1];
daca_set_volume(mix);
}
return change;
@@ -169,34 +170,36 @@ static int daca_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucont
/* amplifier switch */
#define daca_info_amp daca_info_deemphasis
-static int daca_get_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_get_amp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
if (! (mix = chip->mixer_data))
return -ENODEV;
ucontrol->value.integer.value[0] = mix->amp_on ? 1 : 0;
return 0;
}
-static int daca_put_amp(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int daca_put_amp(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
- pmac_daca_t *mix;
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
+ struct pmac_daca *mix;
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
change = mix->amp_on != ucontrol->value.integer.value[0];
if (change) {
- mix->amp_on = ucontrol->value.integer.value[0];
+ mix->amp_on = !!ucontrol->value.integer.value[0];
i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,
mix->amp_on ? 0x05 : 0x04);
}
return change;
}
-static snd_kcontrol_new_t daca_mixers[] = {
+static struct snd_kcontrol_new daca_mixers[] = {
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Deemphasis Switch",
.info = daca_info_deemphasis,
@@ -219,9 +222,9 @@ static snd_kcontrol_new_t daca_mixers[] = {
#ifdef CONFIG_PM
-static void daca_resume(pmac_t *chip)
+static void daca_resume(struct snd_pmac *chip)
{
- pmac_daca_t *mix = chip->mixer_data;
+ struct pmac_daca *mix = chip->mixer_data;
i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_SR, 0x08);
i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,
mix->amp_on ? 0x05 : 0x04);
@@ -230,9 +233,9 @@ static void daca_resume(pmac_t *chip)
#endif /* CONFIG_PM */
-static void daca_cleanup(pmac_t *chip)
+static void daca_cleanup(struct snd_pmac *chip)
{
- pmac_daca_t *mix = chip->mixer_data;
+ struct pmac_daca *mix = chip->mixer_data;
if (! mix)
return;
snd_pmac_keywest_cleanup(&mix->i2c);
@@ -241,20 +244,16 @@ static void daca_cleanup(pmac_t *chip)
}
/* exported */
-int __init snd_pmac_daca_init(pmac_t *chip)
+int snd_pmac_daca_init(struct snd_pmac *chip)
{
int i, err;
- pmac_daca_t *mix;
+ struct pmac_daca *mix;
-#ifdef CONFIG_KMOD
- if (current->fs->root)
- request_module("i2c-keywest");
-#endif /* CONFIG_KMOD */
+ request_module("i2c-powermac");
- mix = kmalloc(sizeof(*mix), GFP_KERNEL);
+ mix = kzalloc(sizeof(*mix), GFP_KERNEL);
if (! mix)
return -ENOMEM;
- memset(mix, 0, sizeof(*mix));
chip->mixer_data = mix;
chip->mixer_free = daca_cleanup;
mix->amp_on = 1; /* default on */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 06:02:27 +0000