diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/sunxi_gpio.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c index 670af0c383..510123fdf8 100644 --- a/drivers/gpio/sunxi_gpio.c +++ b/drivers/gpio/sunxi_gpio.c @@ -118,6 +118,20 @@ int gpio_set_value(unsigned gpio, int value) return sunxi_gpio_output(gpio, value); } +int sunxi_name_to_gpio_bank(const char *name) +{ + int group = 0; + + if (*name == 'P' || *name == 'p') + name++; + if (*name >= 'A') { + group = *name - (*name > 'a' ? 'a' : 'A'); + return group; + } + + return -1; +} + int sunxi_name_to_gpio(const char *name) { int group = 0; |