diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/blackfin/cpu/cmd_gpio.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/blackfin/cpu/cmd_gpio.c b/arch/blackfin/cpu/cmd_gpio.c index 4430c90..5988da7 100644 --- a/arch/blackfin/cpu/cmd_gpio.c +++ b/arch/blackfin/cpu/cmd_gpio.c @@ -90,20 +90,19 @@ int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) gpio_request(gpio, "cmd_gpio"); /* finally, let's do it: set direction and exec command */ + ulong value; if (sub_cmd == GPIO_INPUT) { gpio_direction_input(gpio); - printf("gpio: pin %lu on port %c set to input\n", pin, *str_pin); - return 0; - } - - ulong value; - switch (sub_cmd) { - case GPIO_SET: value = 1; break; - case GPIO_CLEAR: value = 0; break; - case GPIO_TOGGLE: value = !gpio_get_value(gpio); break; - default: goto show_usage; + value = gpio_get_value(gpio); + } else { + switch (sub_cmd) { + case GPIO_SET: value = 1; break; + case GPIO_CLEAR: value = 0; break; + case GPIO_TOGGLE: value = !gpio_get_value(gpio); break; + default: goto show_usage; + } + gpio_direction_output(gpio, value); } - gpio_direction_output(gpio, value); printf("gpio: pin %lu on port %c (gpio %lu) value is %lu\n", pin, *str_pin, gpio, value); @@ -113,6 +112,6 @@ int do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } U_BOOT_CMD(gpio, 3, 0, do_gpio, - "set/clear/toggle gpio output pins", - "<set|clear|toggle> <port><pin>\n" - " - set/clear/toggle the specified pin (e.g. PF10)"); + "input/set/clear/toggle gpio output pins", + "<input|set|clear|toggle> <port><pin>\n" + " - input/set/clear/toggle the specified pin (e.g. PF10)"); |