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Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-hid-ntrig | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-ntrig b/Documentation/ABI/testing/sysfs-driver-hid-ntrig new file mode 100644 index 000000000000..e574a5625efe --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-ntrig @@ -0,0 +1,70 @@ +What: /sys/bus/hid/drivers/ntrig/<dev>/activate_slack +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + (RW) Number of contact frames ignored before acknowledging the + start of activity (activating touch). + + +What: /sys/bus/hid/drivers/ntrig/<dev>/decativate_slack +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + (RW) Number of empty (no contact) frames ignored before + acknowledging the end of activity (deactivating touch). + + When the last finger is removed from the device, it sends a + number of empty frames. By holding off on deactivation for a few + frames false erroneous disconnects can be tolerated, where the + sensor may mistakenly not detect a finger that is still present. + + +What: /sys/bus/hid/drivers/ntrig/<dev>/activation_width +What: /sys/bus/hid/drivers/ntrig/<dev>/activation_height +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + Threholds to override activation slack. + + activation_width: (RW) Width threshold to immediately + start processing touch events. + + activation_height: (RW) Height threshold to immediately + start processing touch events. + + +What: /sys/bus/hid/drivers/ntrig/<dev>/min_width +What: /sys/bus/hid/drivers/ntrig/<dev>/min_height +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + Minimum size contact accepted. + + min_width: (RW) Minimum touch contact width to decide + activation and activity. + + min_height: (RW) Minimum touch contact height to decide + activation and activity. + + +What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_physical_width +What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_physical_height +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + (RO) These are internal ranges not used for normal events but + useful for tuning. + + +What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_logical_width +What: /sys/bus/hid/drivers/ntrig/<dev>/sensor_logical_height +Date: May, 2010 +KernelVersion: 2.6.35 +Contact: linux-input@vger.kernel.org +Description: + (RO) The range for positions reported during activity. |