Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
[sfrench/cifs-2.6.git] / sound / ppc / keywest.c
index fb05938dcbd91c5a6f75e4191c1f74835010f4b0..6ff99ed77516e3c6f8dcaf9bbf4c4a9888a4ae36 100644 (file)
@@ -19,7 +19,6 @@
  */
 
 
-#include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/delay.h>
@@ -34,8 +33,6 @@
 static struct pmac_keywest *keywest_ctx;
 
 
-#define I2C_DRIVERID_KEYWEST   0xFEBA
-
 static int keywest_attach_adapter(struct i2c_adapter *adapter);
 static int keywest_detach_client(struct i2c_client *client);
 
@@ -43,7 +40,6 @@ struct i2c_driver keywest_driver = {
        .driver = {
                .name = "PMac Keywest Audio",
        },
-       .id = I2C_DRIVERID_KEYWEST,
        .attach_adapter = &keywest_attach_adapter,
        .detach_client = &keywest_detach_client,
 };
@@ -64,11 +60,10 @@ static int keywest_attach_adapter(struct i2c_adapter *adapter)
        if (strncmp(i2c_device_name(adapter), "mac-io", 6))
                return 0; /* ignored */
 
-       new_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+       new_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
        if (! new_client)
                return -ENOMEM;
 
-       memset(new_client, 0, sizeof(*new_client));
        new_client->addr = keywest_ctx->addr;
        i2c_set_clientdata(new_client, keywest_ctx);
        new_client->adapter = adapter;
@@ -118,6 +113,9 @@ int __init snd_pmac_tumbler_post_init(void)
 {
        int err;
        
+       if (!keywest_ctx || !keywest_ctx->client)
+               return -ENXIO;
+
        if ((err = keywest_ctx->init_client(keywest_ctx)) < 0) {
                snd_printk(KERN_ERR "tumbler: %i :cannot initialize the MCS\n", err);
                return err;