On Thu, 2010-12-30 at 03:17 +0800, Kevin McNeely wrote:
[...]
> +
> +/* registered in driver struct */
> +static int __devexit cyttsp_i2c_remove(struct i2c_client *client)
> +{
> + struct cyttsp_i2c *ts;
> +
> + ts = i2c_get_clientdata(client);
> + cyttsp_core_release(ts->ttsp_client);
> + kfree(ts);
> + return 0;
> +}
> +
> +#ifdef CONFIG_PM
> +static int cyttsp_i2c_suspend(struct i2c_client *client, pm_message_t message)
> +{
> + return cyttsp_suspend(dev_get_drvdata(&client->dev));
> +}
> +
> +static int cyttsp_i2c_resume(struct i2c_client *client)
> +{
> + return cyttsp_resume(dev_get_drvdata(&client->dev));
> +}
> +#endif
I think what we get here is a pointer to cyttsp_i2c, and we need to pass
cyttsp_i2c->ttsp_client to cyttsp_suspend/resume.
Thanks,
Hong
> +
> +static const struct i2c_device_id cyttsp_i2c_id[] = {
> + { CY_I2C_NAME, 0 }, { }
> +};
> +
> +static struct i2c_driver cyttsp_i2c_driver = {
> + .driver = {
> + .name = CY_I2C_NAME,
> + .owner = THIS_MODULE,
> + },
> + .probe = cyttsp_i2c_probe,
> + .remove = __devexit_p(cyttsp_i2c_remove),
> + .id_table = cyttsp_i2c_id,
> +#ifdef CONFIG_PM
> + .suspend = cyttsp_i2c_suspend,
> + .resume = cyttsp_i2c_resume,
> +#endif
> +};
> +
> +static int __init cyttsp_i2c_init(void)
> +{
> + return i2c_add_driver(&cyttsp_i2c_driver);
> +}
> +
> +static void __exit cyttsp_i2c_exit(void)
> +{
> + return i2c_del_driver(&cyttsp_i2c_driver);
> +}
> +
> +module_init(cyttsp_i2c_init);
> +module_exit(cyttsp_i2c_exit);
> +
> +MODULE_ALIAS("i2c:cyttsp");
> +MODULE_LICENSE("GPL");
> +MODULE_DESCRIPTION("Cypress TrueTouch(R) Standard Product (TTSP) I2C driver");
> +MODULE_AUTHOR("Cypress");
> +MODULE_DEVICE_TABLE(i2c, cyttsp_i2c_id);
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