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Input: wm831x-ts - ensure the controller is in a known state on open

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Explicitly set all the enable bits when opening the device just in case
something left the device in an unexpected state.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Mark Brown 2011-03-14 21:39:09 -07:00 committed by Dmitry Torokhov
parent bd7e4e85f3
commit e7cbb90ad2
1 changed files with 3 additions and 1 deletions
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4
drivers/input/touchscreen/wm831x-ts.c
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@ -167,7 +167,9 @@ static int wm831x_ts_input_open(struct input_dev *idev)
struct wm831x *wm831x = wm831x_ts->wm831x;
wm831x_set_bits(wm831x, WM831X_TOUCH_CONTROL_1,
WM831X_TCH_ENA, WM831X_TCH_ENA);
WM831X_TCH_ENA | WM831X_TCH_CVT_ENA |
WM831X_TCH_X_ENA | WM831X_TCH_Y_ENA |
WM831X_TCH_Z_ENA, WM831X_TCH_ENA);
wm831x_set_bits(wm831x, WM831X_TOUCH_CONTROL_1,
WM831X_TCH_CVT_ENA, WM831X_TCH_CVT_ENA);