l9779.h File Reference

Data Structures
struct	l9779_config

Functions
int	l9779_add (brain_pin_e base, unsigned int index, const l9779_config *cfg)
	L9779 driver add.

Function Documentation

l9779_add()

int l9779_add	(	brain_pin_e	base,
		unsigned int	index,
		const l9779_config *	cfg
	)

L9779 driver add.

Checks for valid config

Returns

return gpio chip base

Definition at line 733 of file l9779.cpp.

                                                                             {
 
    efiAssert(ObdCode::OBD_PCM_Processor_Fault, cfg != NULL, "L9779CFG", 0)
 
    /* no config or no such chip */
    if ((!cfg) || (!cfg->spi_bus) || (index >= BOARD_L9779_COUNT))
        return -1;
 
    L9779* chip = &chips[index];
 
    /* already initted? */
    if (chip->cfg)
        return -1;
 
    /* config */
    chip->cfg = cfg;
    /* reset to defaults */
    chip->drv_state = L9779_WAIT_INIT;
 
    /* register */
    int ret = gpiochip_register(base, DRIVER_NAME, *chip, L9779_SIGNALS);
    if (ret < 0)
        return ret;
 
    /* set default pin names, board init code can rewrite */
    gpiochips_setPinNames(base, l9779_pin_names);
 
    return ret;
}

Referenced by board_init_ext_gpios(), and initSmartGpio().

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