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authorLinus Walleij <linus.walleij@linaro.org>2016-02-12 14:48:23 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-02-19 09:48:41 +0100
commitdf4878e969ccc047da45d2cd3af5d08031da1593 (patch)
tree2677387492b60fd5c6a42a317bde0e7e965aa8fa /include/uapi/linux/gpio.h
parent0a7439ef755d46a2e61d460d7a440f7fa65d7182 (diff)
gpio: store reflect the label to userspace
The gpio_chip label is useful for userspace to understand what kind of GPIO chip it is dealing with. Let's store a copy of this label in the gpio_device, add it to the struct passed to userspace for GPIO_GET_CHIPINFO_IOCTL and modify lsgpio to show it. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/uapi/linux/gpio.h')
-rw-r--r--include/uapi/linux/gpio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/gpio.h b/include/uapi/linux/gpio.h
index 3188a87bdaa0..3f93e1bcd3dd 100644
--- a/include/uapi/linux/gpio.h
+++ b/include/uapi/linux/gpio.h
@@ -16,10 +16,12 @@
/**
* struct gpiochip_info - Information about a certain GPIO chip
* @name: the name of this GPIO chip
+ * @label: a functional name for this GPIO chip
* @lines: number of GPIO lines on this chip
*/
struct gpiochip_info {
char name[32];
+ char label[32];
__u32 lines;
};