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Commit ae761481 authored by Bernhard Urban's avatar Bernhard Urban Committed by Takashi Iwai
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ALSA: aureon - Patch for suspend/resume for Terratec Aureon cards. 

Add proper suspend/resume code for Terratec Aureon cards.
Based on ice1724 suspend/resume work of Igor Chernyshev.
Fixes bug https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4944


Tested on linux-2.6.32.9

Signed-off-by: default avatarBernhard Urban <lewurm@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6da7a2aa

sound/pci/ice1712/aureon.c

+64 −25
Original line number Diff line number Diff line
@@ -1956,11 +1956,10 @@ static int __devinit aureon_add_controls(struct snd_ice1712 *ice) 
	return 0;

}





/*

 * initialize the chip

 * reset the chip

 */

static int __devinit aureon_init(struct snd_ice1712 *ice)

static int aureon_reset(struct snd_ice1712 *ice)

{

	static const unsigned short wm_inits_aureon[] = {

		/* These come first to reduce init pop noise */
@@ -2047,30 +2046,10 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) 
		0x0605, /* slave, 24bit, MSB on second OSCLK, SDOUT for right channel when OLRCK is high */

		(unsigned short)-1

	};

	struct aureon_spec *spec;

	unsigned int tmp;

	const unsigned short *p;

	int err, i;



	spec = kzalloc(sizeof(*spec), GFP_KERNEL);

	if (!spec)

		return -ENOMEM;

	ice->spec = spec;



	if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AUREON51_SKY) {

		ice->num_total_dacs = 6;

		ice->num_total_adcs = 2;

	} else {

		/* aureon 7.1 and prodigy 7.1 */

		ice->num_total_dacs = 8;

		ice->num_total_adcs = 2;

	}



	/* to remeber the register values of CS8415 */

	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);

	if (!ice->akm)

		return -ENOMEM;

	ice->akm_codecs = 1;

	int err;

	struct aureon_spec *spec = ice->spec;



	err = aureon_ac97_init(ice);

	if (err != 0)
@@ -2118,6 +2097,61 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) 
	/* initialize PCA9554 pin directions & set default input */

	aureon_pca9554_write(ice, PCA9554_DIR, 0x00);

	aureon_pca9554_write(ice, PCA9554_OUT, 0x00);   /* internal AUX */

	return 0;

}



/*

 * suspend/resume

 */

#ifdef CONFIG_PM

static int aureon_resume(struct snd_ice1712 *ice)

{

	struct aureon_spec *spec = ice->spec;

	int err, i;



	err = aureon_reset(ice);

	if (err != 0)

		return err;



	/* workaround for poking volume with alsamixer after resume:

	 * just set stored volume again */

	for (i = 0; i < ice->num_total_dacs; i++)

		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);

	return 0;

}

#endif



/*

 * initialize the chip

 */

static int __devinit aureon_init(struct snd_ice1712 *ice)

{

	struct aureon_spec *spec;

	int i, err;



	spec = kzalloc(sizeof(*spec), GFP_KERNEL);

	if (!spec)

		return -ENOMEM;

	ice->spec = spec;



	if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AUREON51_SKY) {

		ice->num_total_dacs = 6;

		ice->num_total_adcs = 2;

	} else {

		/* aureon 7.1 and prodigy 7.1 */

		ice->num_total_dacs = 8;

		ice->num_total_adcs = 2;

	}



	/* to remeber the register values of CS8415 */

	ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);

	if (!ice->akm)

		return -ENOMEM;

	ice->akm_codecs = 1;



	err = aureon_reset(ice);

	if (err != 0)

		return err;



	spec->master[0] = WM_VOL_MUTE;

	spec->master[1] = WM_VOL_MUTE;
@@ -2126,6 +2160,11 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) 
		wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]);

	}



#ifdef CONFIG_PM

	ice->pm_resume = aureon_resume;

	ice->pm_suspend_enabled = 1;

#endif



	return 0;

}