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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2012-11-26 15:48:53 +0530 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2012-11-26 15:48:53 +0530 |
| commit | 53d74fd79db19aae506de892273198b160c2ee95 (patch) | |
| tree | f6abab77c62d4931c09b8dffff2bc871d809a500 /include/asm-generic/gpio.h | |
| parent | 22595e28157e9a55f285a4971bd1d43b8457ffd5 (diff) | |
| parent | b53bc2819a71099ecfc3d61ba0796b3dcc6be321 (diff) | |
Merge commit 'gpio-lw/devel' into spear-for-3.8
This merges dependency branch gpio-lw/devel for SPEAr DT updates.
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 2b84fc32fae2..b6516f32280d 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -57,6 +57,8 @@ struct device_node; * enabling module power and clock; may sleep * @free: optional hook for chip-specific deactivation, such as * disabling module power and clock; may sleep + * @get_direction: returns direction for signal "offset", 0=out, 1=in, + * (same as GPIOF_DIR_XXX), or negative error * @direction_input: configures signal "offset" as input, or returns error * @get: returns value for signal "offset"; for output signals this * returns either the value actually sensed, or zero @@ -101,7 +103,8 @@ struct gpio_chip { unsigned offset); void (*free)(struct gpio_chip *chip, unsigned offset); - + int (*get_direction)(struct gpio_chip *chip, + unsigned offset); int (*direction_input)(struct gpio_chip *chip, unsigned offset); int (*get)(struct gpio_chip *chip, |