diff options
author | Michal Marek <mmarek@suse.cz> | 2010-10-28 00:15:57 +0200 |
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committer | Michal Marek <mmarek@suse.cz> | 2010-10-28 00:15:57 +0200 |
commit | b74b953b998bcc2db91b694446f3a2619ec32de6 (patch) | |
tree | 6ce24caabd730f6ae9287ed0676ec32e6ff31e9d /Documentation/ABI/testing/sysfs-i2c-bmp085 | |
parent | abb438526201c6a79949ad45375c051b6681c253 (diff) | |
parent | f6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff) |
Merge commit 'v2.6.36' into kbuild/misc
Update to be able to fix a recent change to scripts/basic/docproc.c
(commit eda603f).
Diffstat (limited to 'Documentation/ABI/testing/sysfs-i2c-bmp085')
-rw-r--r-- | Documentation/ABI/testing/sysfs-i2c-bmp085 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-i2c-bmp085 b/Documentation/ABI/testing/sysfs-i2c-bmp085 new file mode 100644 index 00000000000..585962ad046 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-i2c-bmp085 @@ -0,0 +1,31 @@ +What: /sys/bus/i2c/devices/<busnum>-<devaddr>/pressure0_input +Date: June 2010 +Contact: Christoph Mair <christoph.mair@gmail.com> +Description: Start a pressure measurement and read the result. Values + represent the ambient air pressure in pascal (0.01 millibar). + + Reading: returns the current air pressure. + + +What: /sys/bus/i2c/devices/<busnum>-<devaddr>/temp0_input +Date: June 2010 +Contact: Christoph Mair <christoph.mair@gmail.com> +Description: Measure the ambient temperature. The returned value represents + the ambient temperature in units of 0.1 degree celsius. + + Reading: returns the current temperature. + + +What: /sys/bus/i2c/devices/<busnum>-<devaddr>/oversampling +Date: June 2010 +Contact: Christoph Mair <christoph.mair@gmail.com> +Description: Tell the bmp085 to use more samples to calculate a pressure + value. When writing to this file the chip will use 2^x samples + to calculate the next pressure value with x being the value + written. Using this feature will decrease RMS noise and + increase the measurement time. + + Reading: returns the current oversampling setting. + + Writing: sets a new oversampling setting. + Accepted values: 0..3. |