OLPC XO-1.5 ebook switch driver

The OLPC XO-1.5 has an ebook switch, triggered when the laptop
screen is rotated then folding down, converting the device into ebook
form.

This switch is exposed through ACPI. Add a driver that exposes it
to userspace as an input device.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 222dfb737b11..2f6a37a1d2e6 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -672,4 +672,13 @@ config XO1_RFKILL
           Support for enabling/disabling the WLAN interface on the OLPC XO-1
           laptop.
 
+config XO15_EBOOK
+        tristate "OLPC XO-1.5 ebook switch"
+        depends on ACPI && INPUT
+        ---help---
+          Support for the ebook switch on the OLPC XO-1.5 laptop.
+
+          This switch is triggered as the screen is rotated and folded down to
+          convert the device into ebook form.
+
 endif # X86_PLATFORM_DEVICES