[PATCH] Input: Document no-sleep requirement for playback() callback
From: Mark Brown <hidden>
Date: 2012-11-27 06:32:18
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Avoids surprising users. Signed-off-by: Mark Brown <redacted> --- include/linux/input.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/input.h b/include/linux/input.h
index 82ce323..0ba0de1 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h@@ -475,7 +475,8 @@ extern struct class input_class; * struct ff_device - force-feedback part of an input device * @upload: Called to upload an new effect into device * @erase: Called to erase an effect from device - * @playback: Called to request device to start playing specified effect + * @playback: Called to request device to start playing specified effect. + * Must not sleep. * @set_gain: Called to set specified gain * @set_autocenter: Called to auto-center device * @destroy: called by input core when parent input device is being
--
1.7.10.4