Commit 4b5c15f7 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Takashi Iwai
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ALSA: fm801: convert rest outw() / inw() to use helpers 



The patch introduces two new helpers fm801_iowrite16() and fm801_ioread16() to
write and read the registers by offset. Previously similar was done to access
the hardware registers by their names.

Signed-off-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent e97e98c6

sound/pci/fm801.c

+26 −10
Original line number Diff line number Diff line
@@ -212,6 +212,20 @@ struct fm801 { 
#endif

};



/*

 * IO accessors

 */



static inline void fm801_iowrite16(struct fm801 *chip, unsigned short offset, u16 value)

{

	outw(value, chip->port + offset);

}



static inline u16 fm801_ioread16(struct fm801 *chip, unsigned short offset)

{

	return inw(chip->port + offset);

}



static const struct pci_device_id snd_fm801_ids[] = {

	{ 0x1319, 0x0801, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* FM801 */

	{ 0x5213, 0x0510, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0, },   /* Gallant Odyssey Sound 4 */
@@ -256,11 +270,11 @@ static int snd_fm801_update_bits(struct fm801 *chip, unsigned short reg, 
	unsigned short old, new;



	spin_lock_irqsave(&chip->reg_lock, flags);

	old = inw(chip->port + reg);

	old = fm801_ioread16(chip, reg);

	new = (old & ~mask) | value;

	change = old != new;

	if (change)

		outw(new, chip->port + reg);

		fm801_iowrite16(chip, reg, new);

	spin_unlock_irqrestore(&chip->reg_lock, flags);

	return change;

}
@@ -851,10 +865,11 @@ static int snd_fm801_get_single(struct snd_kcontrol *kcontrol, 
	int shift = (kcontrol->private_value >> 8) & 0xff;

	int mask = (kcontrol->private_value >> 16) & 0xff;

	int invert = (kcontrol->private_value >> 24) & 0xff;

	long *value = ucontrol->value.integer.value;



	ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift) & mask;

	value[0] = (fm801_ioread16(chip, reg) >> shift) & mask;

	if (invert)

		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];

		value[0] = mask - value[0];

	return 0;

}
@@ -907,14 +922,15 @@ static int snd_fm801_get_double(struct snd_kcontrol *kcontrol, 
	int shift_right = (kcontrol->private_value >> 12) & 0x0f;

	int mask = (kcontrol->private_value >> 16) & 0xff;

	int invert = (kcontrol->private_value >> 24) & 0xff;

	long *value = ucontrol->value.integer.value;



	spin_lock_irq(&chip->reg_lock);

	ucontrol->value.integer.value[0] = (inw(chip->port + reg) >> shift_left) & mask;

	ucontrol->value.integer.value[1] = (inw(chip->port + reg) >> shift_right) & mask;

	value[0] = (fm801_ioread16(chip, reg) >> shift_left) & mask;

	value[1] = (fm801_ioread16(chip, reg) >> shift_right) & mask;

	spin_unlock_irq(&chip->reg_lock);

	if (invert) {

		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];

		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];

		value[0] = mask - value[0];

		value[1] = mask - value[1];

	}

	return 0;

}
@@ -1372,7 +1388,7 @@ static int snd_fm801_suspend(struct device *dev) 
	snd_ac97_suspend(chip->ac97);

	snd_ac97_suspend(chip->ac97_sec);

	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)

		chip->saved_regs[i] = inw(chip->port + saved_regs[i]);

		chip->saved_regs[i] = fm801_ioread16(chip, saved_regs[i]);

	/* FIXME: tea575x suspend */

	return 0;

}
@@ -1387,7 +1403,7 @@ static int snd_fm801_resume(struct device *dev) 
	snd_ac97_resume(chip->ac97);

	snd_ac97_resume(chip->ac97_sec);

	for (i = 0; i < ARRAY_SIZE(saved_regs); i++)

		outw(chip->saved_regs[i], chip->port + saved_regs[i]);

		fm801_iowrite16(chip, saved_regs[i], chip->saved_regs[i]);



	snd_power_change_state(card, SNDRV_CTL_POWER_D0);

	return 0;