46 static int tca642x_reg_write(uchar chip, uint8_t addr,  in tca642x_reg_write()
47 		uint8_t reg_bit, uint8_t data)  in tca642x_reg_write()
49 	uint8_t valw;  in tca642x_reg_write()
56 	if (i2c_read(chip, addr, 1, (uint8_t *)&valw, 1)) {  in tca642x_reg_write()
71 static int tca642x_reg_read(uchar chip, uint8_t addr, uint8_t *data)  in tca642x_reg_read()
73 	uint8_t valw;  in tca642x_reg_read()
95 int tca642x_set_val(uchar chip, uint8_t gpio_bank,  in tca642x_set_val()
96 					uint8_t reg_bit, uint8_t data)  in tca642x_set_val()
98 	uint8_t out_reg = tca642x_regs[gpio_bank].output_reg;  in tca642x_set_val()
107 int tca642x_set_pol(uchar chip, uint8_t gpio_bank,  in tca642x_set_pol()
108 					uint8_t reg_bit, uint8_t data)  in tca642x_set_pol()
110 	uint8_t pol_reg = tca642x_regs[gpio_bank].polarity_reg;  in tca642x_set_pol()
119 int tca642x_set_dir(uchar chip, uint8_t gpio_bank,  in tca642x_set_dir()
120 					uint8_t reg_bit, uint8_t data)  in tca642x_set_dir()
122 	uint8_t config_reg = tca642x_regs[gpio_bank].configuration_reg;  in tca642x_set_dir()
130 int tca642x_get_val(uchar chip, uint8_t gpio_bank)  in tca642x_get_val()
132 	uint8_t val;  in tca642x_get_val()
133 	uint8_t in_reg = tca642x_regs[gpio_bank].input_reg;  in tca642x_get_val()
147 	uint8_t config_reg;  in tca642x_set_inital_state()
148 	uint8_t polarity_reg;  in tca642x_set_inital_state()
149 	uint8_t output_reg;  in tca642x_set_inital_state()
173 	uint8_t data;  in tca642x_info()
227 	uint8_t gpio_bank = 0;  in do_tca642x()
228 	uint8_t bank_shift;  in do_tca642x()
272 			chip = (uint8_t)ul_arg2;  in do_tca642x()