[PATCH 4/8] Input: twl6040-vibra: Check the selected path for vibra
flat view
STALE5501d
SUPERSEDED
From: Peter Ujfalusi <hidden>
Date: 2011-09-15 13:00:04
Also in:
alsa-devel, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Revision v1 of 3 in this series.
Revisions (3)
- v1 current
- v2 [diff vs current]
- v3 [diff vs current]
The VIBSELL/R bit in the VIBCTLL/R register tells the source of the data, which is going to be used to drive the attached motor(s). Do not allow effect execution if any of the channels are set to receive audio data. Signed-off-by: Peter Ujfalusi <redacted> --- drivers/input/misc/twl6040-vibra.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index cb74185..fe624f2 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c@@ -201,6 +201,13 @@ static int vibra_play(struct input_dev *input, void *data, struct vibra_info *info = input_get_drvdata(input); int ret; + /* Do not allow effect, while the routing is set to use audio */ + ret = twl6040_get_vibralr_status(info->twl6040); + if (ret & TWL6040_VIBSEL) { + dev_info(&input->dev, "Vibra is configured for audio\n"); + return -EPERM; + } + info->weak_speed = effect->u.rumble.weak_magnitude; info->strong_speed = effect->u.rumble.strong_magnitude; info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1;
--
1.7.6.1