[ALSA] unregister platform devices
[linux-2.6.git] / sound / isa / cs423x / cs4231.c
index b5252a5..ab67b5c 100644 (file)
@@ -66,6 +66,8 @@ MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver.");
 module_param_array(dma2, int, NULL, 0444);
 MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 
 static int __init snd_cs4231_probe(struct platform_device *pdev)
 {
@@ -183,6 +185,15 @@ static struct platform_driver snd_cs4231_driver = {
        },
 };
 
+static void __init_or_module snd_cs4231_unregister_all(void)
+{
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(devices); ++i)
+               platform_device_unregister(devices[i]);
+       platform_driver_unregister(&snd_cs4231_driver);
+}
+
 static int __init alsa_card_cs4231_init(void)
 {
        int i, cards, err;
@@ -200,6 +211,7 @@ static int __init alsa_card_cs4231_init(void)
                        err = PTR_ERR(device);
                        goto errout;
                }
+               devices[i] = device;
                cards++;
        }
        if (!cards) {
@@ -212,13 +224,13 @@ static int __init alsa_card_cs4231_init(void)
        return 0;
 
  errout:
-       platform_driver_unregister(&snd_cs4231_driver);
+       snd_cs4231_unregister_all();
        return err;
 }
 
 static void __exit alsa_card_cs4231_exit(void)
 {
-       platform_driver_unregister(&snd_cs4231_driver);
+       snd_cs4231_unregister_all();
 }
 
 module_init(alsa_card_cs4231_init)