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ASoC: pxa: Convert e750_wm9705 to use snd_soc_register_card() 

Use snd_soc_register_card() instead of creating a "soc-audio" platform device.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2011-12-15 10:53:29 +08:00 committed by Mark Brown
parent 62133829fa
commit 5eb2c3d927
2 changed files with 37 additions and 35 deletions
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6
arch/arm/mach-pxa/eseries.c
View File

@ -724,12 +724,18 @@ static struct platform_device e750_tc6393xb_device = {
.resource = eseries_tmio_resources, .resource = eseries_tmio_resources,
}; };
static struct platform_device e750_audio_device = {
.name = "e750-audio",
.id = -1,
};
/* ------------------------------------------------------------- */ /* ------------------------------------------------------------- */
static struct platform_device *e750_devices[] __initdata = { static struct platform_device *e750_devices[] __initdata = {
&e750_fb_device, &e750_fb_device,
&e750_tc6393xb_device, &e750_tc6393xb_device,
&e7xx_gpio_vbus, &e7xx_gpio_vbus,
&e750_audio_device,
}; };
static void __init e750_init(void) static void __init e750_init(void)

66
sound/soc/pxa/e750_wm9705.c
View File

@ -120,58 +120,54 @@ static struct snd_soc_card e750 = {
.num_links = ARRAY_SIZE(e750_dai), .num_links = ARRAY_SIZE(e750_dai),
}; };
static struct platform_device *e750_snd_device; static struct gpio e750_audio_gpios[] = {
{ GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Headphone amp" },
{ GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, "Speaker amp" },
};
static int __init e750_init(void) static int __devinit e750_probe(struct platform_device *pdev)
{ {
struct snd_soc_card *card = &e750;
int ret; int ret;
if (!machine_is_e750()) ret = gpio_request_array(e750_audio_gpios,
return -ENODEV; ARRAY_SIZE(e750_audio_gpios));
ret = gpio_request_one(GPIO_E750_HP_AMP_OFF, GPIOF_OUT_INIT_HIGH,
"Headphone amp");
if (ret) if (ret)
return ret; return ret;
ret = gpio_request_one(GPIO_E750_SPK_AMP_OFF, GPIOF_OUT_INIT_HIGH, card->dev = &pdev->dev;
"Speaker amp");
if (ret)
goto free_hp_amp_gpio;
e750_snd_device = platform_device_alloc("soc-audio", -1); ret = snd_soc_register_card(card);
if (!e750_snd_device) { if (ret) {
ret = -ENOMEM; dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
goto free_spk_amp_gpio; ret);
gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
} }
platform_set_drvdata(e750_snd_device, &e750);
ret = platform_device_add(e750_snd_device);
if (!ret)
return 0;
/* Fail gracefully */
platform_device_put(e750_snd_device);
free_spk_amp_gpio:
gpio_free(GPIO_E750_SPK_AMP_OFF);
free_hp_amp_gpio:
gpio_free(GPIO_E750_HP_AMP_OFF);
return ret; return ret;
} }
static void __exit e750_exit(void) static int __devexit e750_remove(struct platform_device *pdev)
{ {
platform_device_unregister(e750_snd_device); struct snd_soc_card *card = platform_get_drvdata(pdev);
gpio_free(GPIO_E750_SPK_AMP_OFF);
gpio_free(GPIO_E750_HP_AMP_OFF); gpio_free_array(e750_audio_gpios, ARRAY_SIZE(e750_audio_gpios));
snd_soc_unregister_card(card);
return 0;
} }
module_init(e750_init); static struct platform_driver e750_driver = {
module_exit(e750_exit); .driver = {
.name = "e750-audio",
.owner = THIS_MODULE,
},
.probe = e750_probe,
.remove = __devexit_p(e750_remove),
};
module_platform_driver(e750_driver);
/* Module information */ /* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e750"); MODULE_DESCRIPTION("ALSA SoC driver for e750");
MODULE_LICENSE("GPL v2"); MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:e750-audio");