From 236db47c2b3b69464d50c695ab2ddd516cf64520 Mon Sep 17 00:00:00 2001 From: Bruno Prémont Date: Tue, 30 Mar 2010 22:33:50 +0200 Subject: HID: new driver for PicoLCD device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add basic driver for PicoLCD graphics device. Initially support keypad with input device and provide support for debugging communication via events file from debugfs. Signed-off-by: Bruno Prémont Signed-off-by: Jiri Kosina --- Documentation/ABI/testing/sysfs-driver-hid-picolcd | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-hid-picolcd (limited to 'Documentation/ABI/testing/sysfs-driver-hid-picolcd') 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/-:./::./operation_mode +Date: March 2010 +Contact: Bruno Prémont +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). + -- cgit v1.2.3