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authorVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>2015-04-29 18:34:59 +0300
committerLinus Walleij <linus.walleij@linaro.org>2015-05-11 11:49:02 +0200
commitb19e7f51a55fe740c18038d1d6957aedfc078d07 (patch)
tree69601960687fdab39deb1e3ac2b3cc809e356c52 /include/linux/basic_mmio_gpio.h
parentff71880006795290f371caae13e740491ec76956 (diff)
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/linux/basic_mmio_gpio.h')
-rw-r--r--include/linux/basic_mmio_gpio.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h
index 0e97856b2cff..14eea946e640 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 */