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authorTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
committerTejun Heo <tj@kernel.org>2010-12-17 15:16:46 +0100
commit275c8b93288ef0c2281e414e069ea8ed4bad03f7 (patch)
treedf906ef901d7719d66944921c7436f5db718dc2f /arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
parent909ea96468096b07fbb41aaf69be060d92bd9271 (diff)
parent8f1d97c79eb65de1d05799d6b81d79cd94169114 (diff)
Merge branch 'this_cpu_ops' into for-2.6.38
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 8fd65d8b586..0d2c5703f1e 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -210,6 +210,17 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
unsigned int off);
/**
+ * s3c_gpio_getpull_1down() - Get configuration for choice of down or none
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-down resistor for the
+ * given GPIO in the same case as s3c_gpio_setpull_1down.
+*/
+extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
+ unsigned int off);
+
+/**
* s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.