diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/gpio-cfg.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/gpio-cfg.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 29cd6a86cad..8d01e853df3 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -77,6 +77,17 @@ struct s3c_gpio_cfg { */ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); +/** + * s3c_gpio_getcfg - Read the current function for a GPIO pin + * @pin: The pin to read the configuration value for. + * + * Read the configuration state of the given @pin, returning a value that + * could be passed back to s3c_gpio_cfgpin(). + * + * @sa s3c_gpio_cfgpin + */ +extern unsigned s3c_gpio_getcfg(unsigned int pin); + /* Define values for the pull-{up,down} available for each gpio pin. * * These values control the state of the weak pull-{up,down} resistors |