| /* platform data for the PCA9539 16-bit I/O expander driver */ | |
| struct pca953x_platform_data { | |
| /* number of the first GPIO */ | |
| unsigned gpio_base; | |
| /* initial polarity inversion setting */ | |
| uint16_t invert; | |
| void *context; /* param to setup/teardown */ | |
| int (*setup)(struct i2c_client *client, | |
| unsigned gpio, unsigned ngpio, | |
| void *context); | |
| int (*teardown)(struct i2c_client *client, | |
| unsigned gpio, unsigned ngpio, | |
| void *context); | |
| }; |