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Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-hid-picolcd | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-picolcd b/Documentation/ABI/testing/sysfs-driver-hid-picolcd new file mode 100644 index 000000000000..6fb4f21469f7 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-picolcd @@ -0,0 +1,17 @@ +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/operation_mode +Date: March 2010 +Contact: Bruno Prémont <bonbons@linux-vserver.org> +Description: Make it possible to switch the PicoLCD device between LCD + (firmware) and bootloader (flasher) operation modes. + + Reading: returns list of available modes, the active mode being + enclosed in brackets ('[' and ']') + + Writing: causes operation mode switch. Permitted values are + the non-active mode names listed when read, optionally followed + by a delay value expressed in ms. + + Note: when switching mode the current PicoLCD HID device gets + disconnected and reconnects after above delay (default value + is 5 seconds though this default should not be relied on). + |