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authorAxel Lin <axel.lin@gmail.com>2011-12-15 06:52:42 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-12-17 13:31:28 +0400
commit62133829fa12a55902ac400b74e424c1ecd161b3 (patch)
treee4514afe7ab84d86246d4b5fb5b6e85e725dfa2d /sound/soc/pxa
parent7243a4b1eb377b3c5376cbf0ebdf87972b969127 (diff)
downloadlinux-62133829fa12a55902ac400b74e424c1ecd161b3.tar.xz
ASoC: pxa: Convert e740_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>
Diffstat (limited to 'sound/soc/pxa')
-rw-r--r--sound/soc/pxa/e740_wm9705.c75
1 files changed, 32 insertions, 43 deletions
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
index 818dc57b0b2f..203ab78a4d68 100644
--- a/sound/soc/pxa/e740_wm9705.c
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -137,66 +137,55 @@ static struct snd_soc_card e740 = {
.num_links = ARRAY_SIZE(e740_dai),
};
-static struct platform_device *e740_snd_device;
+static struct gpio e740_audio_gpios[] = {
+ { GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp" },
+ { GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW, "Output amp" },
+ { GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH, "Audio power" },
+};
-static int __init e740_init(void)
+static int __devinit e740_probe(struct platform_device *pdev)
{
+ struct snd_soc_card *card = &e740;
int ret;
- if (!machine_is_e740())
- return -ENODEV;
-
- /* Disable audio */
- ret = gpio_request_one(GPIO_E740_MIC_ON, GPIOF_OUT_INIT_LOW, "Mic amp");
+ ret = gpio_request_array(e740_audio_gpios,
+ ARRAY_SIZE(e740_audio_gpios));
if (ret)
return ret;
- ret = gpio_request_one(GPIO_E740_AMP_ON, GPIOF_OUT_INIT_LOW,
- "Output amp");
- if (ret)
- goto free_mic_amp_gpio;
+ card->dev = &pdev->dev;
- ret = gpio_request_one(GPIO_E740_WM9705_nAVDD2, GPIOF_OUT_INIT_HIGH,
- "Audio power");
- if (ret)
- goto free_op_amp_gpio;
-
- e740_snd_device = platform_device_alloc("soc-audio", -1);
- if (!e740_snd_device) {
- ret = -ENOMEM;
- goto free_apwr_gpio;
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+ ret);
+ gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
}
-
- platform_set_drvdata(e740_snd_device, &e740);
- ret = platform_device_add(e740_snd_device);
-
- if (!ret)
- return 0;
-
-/* Fail gracefully */
- platform_device_put(e740_snd_device);
-free_apwr_gpio:
- gpio_free(GPIO_E740_WM9705_nAVDD2);
-free_op_amp_gpio:
- gpio_free(GPIO_E740_AMP_ON);
-free_mic_amp_gpio:
- gpio_free(GPIO_E740_MIC_ON);
-
return ret;
}
-static void __exit e740_exit(void)
+static int __devexit e740_remove(struct platform_device *pdev)
{
- platform_device_unregister(e740_snd_device);
- gpio_free(GPIO_E740_WM9705_nAVDD2);
- gpio_free(GPIO_E740_AMP_ON);
- gpio_free(GPIO_E740_MIC_ON);
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ gpio_free_array(e740_audio_gpios, ARRAY_SIZE(e740_audio_gpios));
+ snd_soc_unregister_card(card);
+ return 0;
}
-module_init(e740_init);
-module_exit(e740_exit);
+static struct platform_driver e740_driver = {
+ .driver = {
+ .name = "e740-audio",
+ .owner = THIS_MODULE,
+ },
+ .probe = e740_probe,
+ .remove = __devexit_p(e740_remove),
+};
+
+module_platform_driver(e740_driver);
/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e740");
MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:e740-audio");