diff options
| author | Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> | 2015-04-29 15:34:59 (GMT) |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-05-11 09:49:02 (GMT) |
| commit | b19e7f51a55fe740c18038d1d6957aedfc078d07 (patch) | |
| tree | 69601960687fdab39deb1e3ac2b3cc809e356c52 /include | |
| parent | ff71880006795290f371caae13e740491ec76956 (diff) | |
| download | linux-b19e7f51a55fe740c18038d1d6957aedfc078d07.tar.xz | |
gpio: gpio-generic: add flag to read out output value from reg_set
The change introduces BGPIOF_READ_OUTPUT_REG_SET flag for gpio-generic
GPIO chip implementation, which allows to get correct configured value
from reg_set register, input value is still get from reg_dat.
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/basic_mmio_gpio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h index 0e97856..14eea94 100644 --- a/include/linux/basic_mmio_gpio.h +++ b/include/linux/basic_mmio_gpio.h @@ -74,5 +74,6 @@ int bgpio_init(struct bgpio_chip *bgc, struct device *dev, #define BGPIOF_UNREADABLE_REG_SET BIT(1) /* reg_set is unreadable */ #define BGPIOF_UNREADABLE_REG_DIR BIT(2) /* reg_dir is unreadable */ #define BGPIOF_BIG_ENDIAN_BYTE_ORDER BIT(3) +#define BGPIOF_READ_OUTPUT_REG_SET BIT(4) /* reg_set stores output value */ #endif /* __BASIC_MMIO_GPIO_H */ |