ASoC: mx27vis-aic32x4: Convert it to platform driver
Fabio Estevam [Mon, 12 Mar 2012 22:48:49 +0000 (19:48 -0300)]
Convert mx27vis-aic32x4 to platform driver.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

arch/arm/mach-imx/mach-imx27_visstrim_m10.c
sound/soc/imx/mx27vis-aic32x4.c

index c2766ae..428459f 100644 (file)
@@ -263,6 +263,7 @@ static void __init visstrim_m10_board_init(void)
        imx27_add_fec(NULL);
        imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+       imx_add_platform_device("mx27vis", 0, NULL, 0, NULL, 0);
 }
 
 static void __init visstrim_m10_timer_init(void)
index 976f857..f6d04ad 100644 (file)
@@ -188,22 +188,16 @@ static struct snd_soc_card mx27vis_aic32x4 = {
        .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
 };
 
-static struct platform_device *mx27vis_aic32x4_snd_device;
-
-static int __init mx27vis_aic32x4_init(void)
+static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
 {
        int ret;
 
-       mx27vis_aic32x4_snd_device = platform_device_alloc("soc-audio", -1);
-       if (!mx27vis_aic32x4_snd_device)
-               return -ENOMEM;
-
-       platform_set_drvdata(mx27vis_aic32x4_snd_device, &mx27vis_aic32x4);
-       ret = platform_device_add(mx27vis_aic32x4_snd_device);
-
+       mx27vis_aic32x4.dev = &pdev->dev;
+       ret = snd_soc_register_card(&mx27vis_aic32x4);
        if (ret) {
-               printk(KERN_ERR "ASoC: Platform device allocation failed\n");
-               platform_device_put(mx27vis_aic32x4_snd_device);
+               dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+                       ret);
+               return ret;
        }
 
        /* Connect SSI0 as clock slave to SSI1 external pins */
@@ -221,22 +215,31 @@ static int __init mx27vis_aic32x4_init(void)
 
        ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins,
                        ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP");
-       if (ret) {
+       if (ret)
                printk(KERN_ERR "ASoC: unable to setup gpios\n");
-               platform_device_put(mx27vis_aic32x4_snd_device);
-       }
 
        return ret;
 }
 
-static void __exit mx27vis_aic32x4_exit(void)
+static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
 {
-       platform_device_unregister(mx27vis_aic32x4_snd_device);
+       snd_soc_unregister_card(&mx27vis_aic32x4);
+
+       return 0;
 }
 
-module_init(mx27vis_aic32x4_init);
-module_exit(mx27vis_aic32x4_exit);
+static struct platform_driver mx27vis_aic32x4_audio_driver = {
+       .driver = {
+               .name = "mx27vis",
+               .owner = THIS_MODULE,
+       },
+       .probe = mx27vis_aic32x4_probe,
+       .remove = __devexit_p(mx27vis_aic32x4_remove),
+};
+
+module_platform_driver(mx27vis_aic32x4_audio_driver);
 
 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
 MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mx27vis");