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| author |  Kent Gibson <warthog618@gmail.com>
| 2024-02-12 17:34:20 +0800 |
|---|---|---|
| committer |  Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
| 2024-02-14 10:28:48 +0100 |
| commit | 9e69d6d84e3841df073601440774a2221781fc1e (patch) | |
| tree | 6b2eb4ef3bd3d3a7cce0e813a4aaa48bc3592261 /Documentation/userspace-api | |
| parent | gpio: initialize descriptor SRCU structure before adding OF-based chips (diff) | |
| download | linux-9e69d6d84e3841df073601440774a2221781fc1e.tar.gz linux-9e69d6d84e3841df073601440774a2221781fc1e.tar.bz2 linux-9e69d6d84e3841df073601440774a2221781fc1e.zip | |
Documentation: gpio: clarify sysfs line values are logical
Clarify that line values are logical, not physical, by replacing high/low
terminology with active/inactive.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Reviewed-by: Andy Shevchenko <amdy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/gpio/sysfs.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/userspace-api/gpio/sysfs.rst b/Documentation/userspace-api/gpio/sysfs.rst index e12037a0f2b4..116921048b18 100644 --- a/Documentation/userspace-api/gpio/sysfs.rst +++ b/Documentation/userspace-api/gpio/sysfs.rst @@ -87,9 +87,9 @@ and have the following read/write attributes: allow userspace to reconfigure this GPIO's direction. "value" ... - reads as either 0 (low) or 1 (high). If the GPIO + reads as either 0 (inactive) or 1 (active). If the GPIO is configured as an output, this value may be written; - any nonzero value is treated as high. + any nonzero value is treated as active. If the pin can be configured as interrupt-generating interrupt and if it has been configured to generate interrupts (see the |