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Input: psmouse-smbus - allow to control psmouse_deactivate

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This seems to be Synaptics specific, as some Elan touchpads are not
correctly switching to SMBus if we call deactivate before switching to
SMBus on cold boot and on resume.

Tested with the T480s

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Benjamin Tissoires
2018-05-22 17:30:31 -07:00
committed by Dmitry Torokhov
parent df077237cf
commit bf232e460a
4 changed files with 13 additions and 5 deletions
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drivers/input/mouse/psmouse.h
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@@ -225,6 +225,7 @@ struct i2c_board_info;
int psmouse_smbus_init(struct psmouse *psmouse,
const struct i2c_board_info *board,
const void *pdata, size_t pdata_size,
bool need_deactivate,
bool leave_breadcrumbs);
void psmouse_smbus_cleanup(struct psmouse *psmouse);