Commit 5f07c32e authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown

Input: twl6040-vibra: Check the selected path for vibra

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: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarDmitry Torokhov <dtor@mail.ru>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 70601ec1
......@@ -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 -EBUSY;
}
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;
......
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