*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/delay.h>
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);
.driver = {
.name = "PMac Keywest Audio",
},
- .id = I2C_DRIVERID_KEYWEST,
.attach_adapter = &keywest_attach_adapter,
.detach_client = &keywest_detach_client,
};
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;
{
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;