USB: HID: Steelseries SRW-S1 Add support for LEDs

This patch to the SRW-S1 driver adds support for the LED RPM
meter on the front of the device. The LEDs are controlled via
/sys/class/leds interface, with an individual control for each
of the 15 LEDs.

Signed-off-by: Simon Wood <simon@mungewell.org>
Tested-by: John Murphy <rosegardener@freeode.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 20 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-srws1 b/Documentation/ABI/testing/sysfs-driver-hid-srws1
new file mode 100644
index 000000000000..c27b34dcaf83
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-srws1
@@ -0,0 +1,20 @@
+What:           /sys/class/leds/SRWS1::<serial>::RPM1
+What:           /sys/class/leds/SRWS1::<serial>::RPM2
+What:           /sys/class/leds/SRWS1::<serial>::RPM3
+What:           /sys/class/leds/SRWS1::<serial>::RPM4
+What:           /sys/class/leds/SRWS1::<serial>::RPM5
+What:           /sys/class/leds/SRWS1::<serial>::RPM6
+What:           /sys/class/leds/SRWS1::<serial>::RPM7
+What:           /sys/class/leds/SRWS1::<serial>::RPM8
+What:           /sys/class/leds/SRWS1::<serial>::RPM9
+What:           /sys/class/leds/SRWS1::<serial>::RPM10
+What:           /sys/class/leds/SRWS1::<serial>::RPM11
+What:           /sys/class/leds/SRWS1::<serial>::RPM12
+What:           /sys/class/leds/SRWS1::<serial>::RPM13
+What:           /sys/class/leds/SRWS1::<serial>::RPM14
+What:           /sys/class/leds/SRWS1::<serial>::RPM15
+Date:           Jan 2013
+KernelVersion:  3.9
+Contact:        Simon Wood <simon@mungewell.org>
+Description:    Provides a control for turning on/off the LEDs which form
+                an RPM meter on the front of the controller