diff options
Diffstat (limited to 'include/asm-generic/gpio.h')
| -rw-r--r-- | include/asm-generic/gpio.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index a9432fc6b8ba..eb70ca295971 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h | |||
| @@ -56,6 +56,8 @@ struct device_node; | |||
| 56 | * enabling module power and clock; may sleep | 56 | * enabling module power and clock; may sleep |
| 57 | * @free: optional hook for chip-specific deactivation, such as | 57 | * @free: optional hook for chip-specific deactivation, such as |
| 58 | * disabling module power and clock; may sleep | 58 | * disabling module power and clock; may sleep |
| 59 | * @get_direction: returns direction for signal "offset", 0=out, 1=in, | ||
| 60 | * (same as GPIOF_DIR_XXX), or negative error | ||
| 59 | * @direction_input: configures signal "offset" as input, or returns error | 61 | * @direction_input: configures signal "offset" as input, or returns error |
| 60 | * @get: returns value for signal "offset"; for output signals this | 62 | * @get: returns value for signal "offset"; for output signals this |
| 61 | * returns either the value actually sensed, or zero | 63 | * returns either the value actually sensed, or zero |
| @@ -100,7 +102,8 @@ struct gpio_chip { | |||
| 100 | unsigned offset); | 102 | unsigned offset); |
| 101 | void (*free)(struct gpio_chip *chip, | 103 | void (*free)(struct gpio_chip *chip, |
| 102 | unsigned offset); | 104 | unsigned offset); |
| 103 | 105 | int (*get_direction)(struct gpio_chip *chip, | |
| 106 | unsigned offset); | ||
| 104 | int (*direction_input)(struct gpio_chip *chip, | 107 | int (*direction_input)(struct gpio_chip *chip, |
| 105 | unsigned offset); | 108 | unsigned offset); |
| 106 | int (*get)(struct gpio_chip *chip, | 109 | int (*get)(struct gpio_chip *chip, |