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Commit 2b3f5587 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] Use platform_device



Modules: SA11xx UDA1341 driver

Rewrite the probe/remove with platform_device.
Fix PM support, too.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 792a6c51
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+57 −21
Original line number Diff line number Diff line
@@ -21,7 +21,7 @@
 *                              merged HAL layer (patches from Brian)
 */

/* $Id: sa11xx-uda1341.c,v 1.25 2005/11/17 15:10:58 tiwai Exp $ */
/* $Id: sa11xx-uda1341.c,v 1.26 2005/11/17 17:19:50 tiwai Exp $ */

/***************************************************************************************************
*
@@ -64,6 +64,8 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/ioctl.h>
#include <linux/delay.h>
@@ -860,10 +862,13 @@ static int __init snd_card_sa11xx_uda1341_pcm(struct sa11xx_uda1341 *sa11xx_uda1

#ifdef CONFIG_PM

static int snd_sa11xx_uda1341_suspend(struct snd_card *card, pm_message_t state)
static int snd_sa11xx_uda1341_suspend(struct platform_device *devptr,
				      pm_message_t state)
{
	struct sa11xx_uda1341 *chip = card->pm_private_data;
	struct snd_card *card = platform_get_drvdata(devptr);
	struct sa11xx_uda1341 *chip = card->private_data;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	snd_pcm_suspend_all(chip->pcm);
#ifdef HH_VERSION
	sa1100_dma_sleep(chip->s[SNDRV_PCM_STREAM_PLAYBACK].dmach);
@@ -873,12 +878,14 @@ static int snd_sa11xx_uda1341_suspend(struct snd_card *card, pm_message_t state)
#endif
	l3_command(chip->uda1341, CMD_SUSPEND, NULL);
	sa11xx_uda1341_audio_shutdown(chip);

	return 0;
}

static int snd_sa11xx_uda1341_resume(struct snd_card *card)
static int snd_sa11xx_uda1341_resume(struct platform_device *devptr)
{
	struct sa11xx_uda1341 *chip = card->pm_private_data;
	struct snd_card *card = platform_get_drvdata(devptr);
	struct sa11xx_uda1341 *chip = card->private_data;

	sa11xx_uda1341_audio_init(chip);
	l3_command(chip->uda1341, CMD_RESUME, NULL);
@@ -888,6 +895,7 @@ static int snd_sa11xx_uda1341_resume(struct snd_card *card)
#else
	//FIXME
#endif
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif /* COMFIG_PM */
@@ -900,27 +908,22 @@ void snd_sa11xx_uda1341_free(struct snd_card *card)
	audio_dma_free(&chip->s[SNDRV_PCM_STREAM_CAPTURE]);
}

static struct snd_card *sa11xx_uda1341_card;

static int __init sa11xx_uda1341_init(void)
static int __init sa11xx_uda1341_probe(struct platform_device *devptr)
{
	int err;
	struct snd_card *card;
	struct sa11xx_uda1341 *chip;

	if (!machine_is_h3xxx())
		return -ENODEV;

	/* register the soundcard */
	card = snd_card_new(-1, id, THIS_MODULE, sizeof(struct sa11xx_uda1341));
	if (card == NULL)
		return -ENOMEM;

	card->private_free = snd_sa11xx_uda1341_free;
	chip = card->private_data;
	spin_lock_init(&chip->s[0].dma_lock);
	spin_lock_init(&chip->s[1].dma_lock);

	card->private_free = snd_sa11xx_uda1341_free;
	chip->card = card;
	chip->samplerate = AUDIO_RATE_DEFAULT;

@@ -932,20 +935,15 @@ static int __init sa11xx_uda1341_init(void)
	if ((err = snd_card_sa11xx_uda1341_pcm(chip, 0)) < 0)
		goto nodev;
        
	snd_card_set_generic_pm_callback(card,
					 snd_sa11xx_uda1341_suspend, snd_sa11_uda1341_resume,
					 chip);

	strcpy(card->driver, "UDA1341");
	strcpy(card->shortname, "H3600 UDA1341TS");
	sprintf(card->longname, "Compaq iPAQ H3600 with Philips UDA1341TS");
        
	if ((err = snd_card_set_generic_dev(card)) < 0)
		goto nodev;
	snd_card_set_dev(card, &devptr->dev);

	if ((err = snd_card_register(card)) == 0) {
		printk( KERN_INFO "iPAQ audio support initialized\n" );
		sa11xx_uda1341_card = card;
		platform_set_drvdata(devptr, card);
		return 0;
	}
        
@@ -954,9 +952,47 @@ static int __init sa11xx_uda1341_init(void)
	return err;
}

static int __devexit sa11xx_uda1341_remove(struct platform_device *devptr)
{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
}

#define SA11XX_UDA1341_DRIVER	"sa11xx_uda1341"

static struct platform_driver sa11xx_uda1341_driver = {
	.probe		= sa11xx_uda1341_probe,
	.remove		= __devexit_p(sa11xx_uda1341_remove),
#ifdef CONFIG_PM
	.suspend	= snd_sa11xx_uda1341_suspend,
	.resume		= snd_sa11xx_uda1341_resume,
#endif
	.driver		= {
		.name	= SA11XX_UDA1341_DRIVER,
	},
};

static int __init sa11xx_uda1341_init(void)
{
	int err;
	struct platform_device *device;

	if (!machine_is_h3xxx())
		return -ENODEV;
	if ((err = platform_driver_register(&sa11xx_uda1341_driver)) < 0)
		return err;
	device = platform_device_register_simple(SA11XX_UDA1341_DRIVER, -1, NULL, 0);
	if (IS_ERR(device)) {
		platform_driver_unregister(&sa11xx_uda1341_driver);
		return PTR_ERR(device);
	}
	return 0;
}

static void __exit sa11xx_uda1341_exit(void)
{
	snd_card_free(sa11xx_uda1341_card);
	platform_driver_unregister(&sa11xx_uda1341_driver);
}

module_init(sa11xx_uda1341_init);