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Commit cb9d24e4 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] ak4xxx-adda - Code clean-up



Fix spaces, fold lines to fit 80 columns in ak4xxx-adda driver codes.
Split a long reset function to each codec routine just for better
readability.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent cf1756e9
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+23 −14
Original line number Original line Diff line number Diff line
@@ -32,8 +32,8 @@ struct snd_akm4xxx;
struct snd_ak4xxx_ops {
struct snd_ak4xxx_ops {
	void (*lock)(struct snd_akm4xxx *ak, int chip);
	void (*lock)(struct snd_akm4xxx *ak, int chip);
	void (*unlock)(struct snd_akm4xxx *ak, int chip);
	void (*unlock)(struct snd_akm4xxx *ak, int chip);
	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
	// unsigned char (*read)(struct snd_akm4xxx *ak, int chip, unsigned char reg);
		      unsigned char val);
	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
};
};


@@ -44,7 +44,9 @@ struct snd_akm4xxx {
	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
	unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2];	/* saved register image for IPGA (AK4528) */
	unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image
						       * for IPGA (AK4528)
						       */
	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
	/* template should fill the following fields */
	/* template should fill the following fields */
@@ -53,19 +55,26 @@ struct snd_akm4xxx {
		SND_AK4524, SND_AK4528, SND_AK4529,
		SND_AK4524, SND_AK4528, SND_AK4529,
		SND_AK4355, SND_AK4358, SND_AK4381
		SND_AK4355, SND_AK4358, SND_AK4381
	} type;
	} type;
	unsigned int *num_stereo;			/* array of combined counts for the mixer */
	unsigned int *num_stereo;	/* array of combined counts
					 * for the mixer
					 */
	char **channel_names;		/* array of mixer channel names */
	char **channel_names;		/* array of mixer channel names */
	struct snd_ak4xxx_ops ops;
	struct snd_ak4xxx_ops ops;
};
};


void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
		       unsigned char val);
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
void snd_akm4xxx_init(struct snd_akm4xxx *ak);
void snd_akm4xxx_init(struct snd_akm4xxx *ak);
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);


#define snd_akm4xxx_get(ak,chip,reg) (ak)->images[(chip) * 16 + (reg)]
#define snd_akm4xxx_get(ak,chip,reg) \
#define snd_akm4xxx_set(ak,chip,reg,val) ((ak)->images[(chip) * 16 + (reg)] = (val))
	(ak)->images[(chip) * 16 + (reg)]
#define snd_akm4xxx_get_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
#define snd_akm4xxx_set(ak,chip,reg,val) \
#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
	((ak)->images[(chip) * 16 + (reg)] = (val))
#define snd_akm4xxx_get_ipga(ak,chip,reg) \
	(ak)->ipga_gain[chip][(reg)-4]
#define snd_akm4xxx_set_ipga(ak,chip,reg,val) \
	((ak)->ipga_gain[chip][(reg)-4] = (val))


#endif /* __SOUND_AK4XXX_ADDA_H */
#endif /* __SOUND_AK4XXX_ADDA_H */
+138 −65
Original line number Original line Diff line number Diff line
@@ -34,7 +34,8 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
MODULE_LICENSE("GPL");
MODULE_LICENSE("GPL");


void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val)
void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
		       unsigned char val)
{
{
	ak->ops.lock(ak, chip);
	ak->ops.lock(ak, chip);
	ak->ops.write(ak, chip, reg, val);
	ak->ops.write(ak, chip, reg, val);
@@ -52,60 +53,95 @@ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsi
	ak->ops.unlock(ak, chip);
	ak->ops.unlock(ak, chip);
}
}


/*
EXPORT_SYMBOL(snd_akm4xxx_write);
 * reset the AKM codecs

 * @state: 1 = reset codec, 0 = restore the registers
/* reset procedure for AK4524 and AK4528 */
 *
static void ak4524_reset(struct snd_akm4xxx *ak, int state)
 * assert the reset operation and restores the register values to the chips.
 */
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
{
{
	unsigned int chip;
	unsigned int chip;
	unsigned char reg;
	unsigned char reg, maxreg;


	switch (ak->type) {
	if (ak->type == SND_AK4528)
	case SND_AK4524:
		maxreg = 0x06;
	case SND_AK4528:
	else
		maxreg = 0x08;
	for (chip = 0; chip < ak->num_dacs/2; chip++) {
	for (chip = 0; chip < ak->num_dacs/2; chip++) {
		snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
		snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
		if (state)
		if (state)
			continue;
			continue;
		/* DAC volumes */
		/* DAC volumes */
			for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
		for (reg = 0x04; reg < maxreg; reg++)
				snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
			snd_akm4xxx_write(ak, chip, reg,
					  snd_akm4xxx_get(ak, chip, reg));
		if (ak->type == SND_AK4528)
		if (ak->type == SND_AK4528)
			continue;
			continue;
		/* IPGA */
		/* IPGA */
		for (reg = 0x04; reg < 0x06; reg++)
		for (reg = 0x04; reg < 0x06; reg++)
				snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
			snd_akm4xxx_write(ak, chip, reg,
					  snd_akm4xxx_get_ipga(ak, chip, reg));
	}
	}
		break;
}
	case SND_AK4529:

		/* FIXME: needed for ak4529? */
/* reset procedure for AK4355 and AK4358 */
		break;
static void ak4355_reset(struct snd_akm4xxx *ak, int state)
	case SND_AK4355:
{
	case SND_AK4358:
	unsigned char reg;

	if (state) {
	if (state) {
		snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
		snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
		return;
		return;
	}
	}
	for (reg = 0x00; reg < 0x0b; reg++)
	for (reg = 0x00; reg < 0x0b; reg++)
		if (reg != 0x01)
		if (reg != 0x01)
				snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
			snd_akm4xxx_write(ak, 0, reg,
					  snd_akm4xxx_get(ak, 0, reg));
	snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
	snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
		break;
}
	case SND_AK4381:

/* reset procedure for AK4381 */
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++) {
	for (chip = 0; chip < ak->num_dacs/2; chip++) {
		snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
		snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
		if (state)
		if (state)
			continue;
			continue;
		for (reg = 0x01; reg < 0x05; reg++)
		for (reg = 0x01; reg < 0x05; reg++)
				snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
			snd_akm4xxx_write(ak, chip, reg,
					  snd_akm4xxx_get(ak, chip, reg));
	}
	}
}

/*
 * reset the AKM codecs
 * @state: 1 = reset codec, 0 = restore the registers
 *
 * assert the reset operation and restores the register values to the chips.
 */
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
{
	switch (ak->type) {
	case SND_AK4524:
	case SND_AK4528:
		ak4524_reset(ak, state);
		break;
	case SND_AK4529:
		/* FIXME: needed for ak4529? */
		break;
	case SND_AK4355:
	case SND_AK4358:
		ak4355_reset(ak, state);
		break;
	case SND_AK4381:
		ak4381_reset(ak, state);
		break;
		break;
	}
	}
}
}


EXPORT_SYMBOL(snd_akm4xxx_reset);

/*
/*
 * initialize all the ak4xxx chips
 * initialize all the ak4xxx chips
 */
 */
@@ -153,7 +189,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
	};
	};
	static unsigned char inits_ak4355[] = {
	static unsigned char inits_ak4355[] = {
		0x01, 0x02, /* 1: reset and soft-mute */
		0x01, 0x02, /* 1: reset and soft-mute */
		0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
		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, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
		// 0x02, 0x2e, /* quad speed */
		// 0x02, 0x2e, /* quad speed */
		0x03, 0x01, /* 3: de-emphasis off */
		0x03, 0x01, /* 3: de-emphasis off */
@@ -169,7 +206,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
	};
	};
	static unsigned char inits_ak4358[] = {
	static unsigned char inits_ak4358[] = {
		0x01, 0x02, /* 1: reset and soft-mute */
		0x01, 0x02, /* 1: reset and soft-mute */
		0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
		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, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
		// 0x02, 0x2e, /* quad speed */
		// 0x02, 0x2e, /* quad speed */
		0x03, 0x01, /* 3: de-emphasis off */
		0x03, 0x01, /* 3: de-emphasis off */
@@ -187,7 +225,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
	};
	};
	static unsigned char inits_ak4381[] = {
	static unsigned char inits_ak4381[] = {
		0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
		0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
		0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */
		0x01, 0x02, /* 1: de-emphasis off, normal speed,
			     * sharp roll-off, DZF off */
		// 0x01, 0x12, /* quad speed */
		// 0x01, 0x12, /* quad speed */
		0x02, 0x00, /* 2: DZF disabled */
		0x02, 0x00, /* 2: DZF disabled */
		0x03, 0x00, /* 3: LATT 0 */
		0x03, 0x00, /* 3: LATT 0 */
@@ -239,12 +278,15 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
	}
	}
}
}


EXPORT_SYMBOL(snd_akm4xxx_init);

#define AK_GET_CHIP(val)		(((val) >> 8) & 0xff)
#define AK_GET_CHIP(val)		(((val) >> 8) & 0xff)
#define AK_GET_ADDR(val)		((val) & 0xff)
#define AK_GET_ADDR(val)		((val) & 0xff)
#define AK_GET_SHIFT(val)		(((val) >> 16) & 0x7f)
#define AK_GET_SHIFT(val)		(((val) >> 16) & 0x7f)
#define AK_GET_INVERT(val)		(((val) >> 23) & 1)
#define AK_GET_INVERT(val)		(((val) >> 23) & 1)
#define AK_GET_MASK(val)		(((val) >> 24) & 0xff)
#define AK_GET_MASK(val)		(((val) >> 24) & 0xff)
#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
#define AK_COMPOSE(chip,addr,shift,mask) \
	(((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
#define AK_INVERT 			(1<<23)
#define AK_INVERT 			(1<<23)


static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
@@ -366,7 +408,8 @@ static int snd_akm4xxx_ipga_gain_get(struct snd_kcontrol *kcontrol,
	struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
	struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
	int chip = AK_GET_CHIP(kcontrol->private_value);
	int chip = AK_GET_CHIP(kcontrol->private_value);
	int addr = AK_GET_ADDR(kcontrol->private_value);
	int addr = AK_GET_ADDR(kcontrol->private_value);
	ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
	ucontrol->value.integer.value[0] =
		snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
	return 0;
	return 0;
}
}


@@ -394,7 +437,8 @@ static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
	uinfo->value.enumerated.items = 4;
	uinfo->value.enumerated.items = 4;
	if (uinfo->value.enumerated.item >= 4)
	if (uinfo->value.enumerated.item >= 4)
		uinfo->value.enumerated.item = 3;
		uinfo->value.enumerated.item = 3;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	strcpy(uinfo->value.enumerated.name,
	       texts[uinfo->value.enumerated.item]);
	return 0;
	return 0;
}
}


@@ -405,7 +449,8 @@ static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
	int chip = AK_GET_CHIP(kcontrol->private_value);
	int chip = AK_GET_CHIP(kcontrol->private_value);
	int addr = AK_GET_ADDR(kcontrol->private_value);
	int addr = AK_GET_ADDR(kcontrol->private_value);
	int shift = AK_GET_SHIFT(kcontrol->private_value);
	int shift = AK_GET_SHIFT(kcontrol->private_value);
	ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
	ucontrol->value.enumerated.item[0] =
		(snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
	return 0;
	return 0;
}
}


@@ -419,7 +464,8 @@ static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
	unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
	unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
	int change;
	int change;
	
	
	nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
	nval = (nval << shift) |
		(snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
	change = snd_akm4xxx_get(ak, chip, addr) != nval;
	change = snd_akm4xxx_get(ak, chip, addr) != nval;
	if (change)
	if (change)
		snd_akm4xxx_write(ak, chip, addr, nval);
		snd_akm4xxx_write(ak, chip, addr, nval);
@@ -451,7 +497,7 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		} else {
		} else {
			strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
			strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
			num_stereo = ak->num_stereo[mixer_ch];
			num_stereo = ak->num_stereo[mixer_ch];
			ctl->id.index = 0; //mixer_ch + ak->idx_offset * 2;
			ctl->id.index = 0;
		}
		}
		ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
		ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
		ctl->count = 1;
		ctl->count = 1;
@@ -466,27 +512,40 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		}
		}
		switch (ak->type) {
		switch (ak->type) {
		case SND_AK4524:
		case SND_AK4524:
			ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
			/* register 6 & 7 */
			ctl->private_value =
				AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
			break;
			break;
		case SND_AK4528:
		case SND_AK4528:
			ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
			/* register 4 & 5 */
			ctl->private_value =
				AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
			break;
			break;
		case SND_AK4529: {
		case SND_AK4529: {
			int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
			/* registers 2-7 and b,c */
			ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
			int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
			ctl->private_value =
				AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
			break;
			break;
		}
		}
		case SND_AK4355:
		case SND_AK4355:
			ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
			/* register 4-9, chip #0 only */
			ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
			break;
			break;
		case SND_AK4358:
		case SND_AK4358:
			if (idx >= 6)
			if (idx >= 6)
				ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */
				/* register 4-9, chip #0 only */
				ctl->private_value =
					AK_COMPOSE(0, idx + 5, 0, 255);
			else
			else
				ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
				/* register 4-9, chip #0 only */
				ctl->private_value =
					AK_COMPOSE(0, idx + 4, 0, 255);
			break;
			break;
		case SND_AK4381:
		case SND_AK4381:
			ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */
			/* register 3 & 4 */
			ctl->private_value =
				AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
			break;
			break;
		default:
		default:
			err = -EINVAL;
			err = -EINVAL;
@@ -494,7 +553,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		}
		}


		ctl->private_data = ak;
		ctl->private_data = ak;
		if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
		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;
			goto __error;


		idx += num_stereo;
		idx += num_stereo;
@@ -509,9 +571,14 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		ctl->info = snd_akm4xxx_volume_info;
		ctl->info = snd_akm4xxx_volume_info;
		ctl->get = snd_akm4xxx_volume_get;
		ctl->get = snd_akm4xxx_volume_get;
		ctl->put = snd_akm4xxx_volume_put;
		ctl->put = snd_akm4xxx_volume_put;
		ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
		/* register 4 & 5 */
		ctl->private_value =
			AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
		ctl->private_data = ak;
		ctl->private_data = ak;
		if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
		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;
			goto __error;


		memset(ctl, 0, sizeof(*ctl));
		memset(ctl, 0, sizeof(*ctl));
@@ -522,9 +589,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		ctl->info = snd_akm4xxx_ipga_gain_info;
		ctl->info = snd_akm4xxx_ipga_gain_info;
		ctl->get = snd_akm4xxx_ipga_gain_get;
		ctl->get = snd_akm4xxx_ipga_gain_get;
		ctl->put = snd_akm4xxx_ipga_gain_put;
		ctl->put = snd_akm4xxx_ipga_gain_put;
		ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */
		/* register 4 & 5 */
		ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
		ctl->private_data = ak;
		ctl->private_data = ak;
		if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
		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;
			goto __error;
	}
	}
	if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
	if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
@@ -543,11 +614,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
		switch (ak->type) {
		switch (ak->type) {
		case SND_AK4524:
		case SND_AK4524:
		case SND_AK4528:
		case SND_AK4528:
			ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */
			/* register 3 */
			ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
			break;
			break;
		case SND_AK4529: {
		case SND_AK4529: {
			int shift = idx == 3 ? 6 : (2 - idx) * 2;
			int shift = idx == 3 ? 6 : (2 - idx) * 2;
			ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */
			/* register 8 with shift */
			ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
			break;
			break;
		}
		}
		case SND_AK4355:
		case SND_AK4355:
@@ -559,7 +632,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
			break;
			break;
		}
		}
		ctl->private_data = ak;
		ctl->private_data = ak;
		if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
		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;
			goto __error;
	}
	}
	err = 0;
	err = 0;
@@ -569,6 +645,8 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
	return err;
	return err;
}
}


EXPORT_SYMBOL(snd_akm4xxx_build_controls);

static int __init alsa_akm4xxx_module_init(void)
static int __init alsa_akm4xxx_module_init(void)
{
{
	return 0;
	return 0;
@@ -580,8 +658,3 @@ static void __exit alsa_akm4xxx_module_exit(void)
        
        
module_init(alsa_akm4xxx_module_init)
module_init(alsa_akm4xxx_module_init)
module_exit(alsa_akm4xxx_module_exit)
module_exit(alsa_akm4xxx_module_exit)

EXPORT_SYMBOL(snd_akm4xxx_write);
EXPORT_SYMBOL(snd_akm4xxx_reset);
EXPORT_SYMBOL(snd_akm4xxx_init);
EXPORT_SYMBOL(snd_akm4xxx_build_controls);