Input: wm97xx-core - report a phys for WM97xx touchscreens

phys is displayed in diagnostic output like that from evbug so ensure
that it is set to something.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

authored by Mark Brown and committed by Dmitry Torokhov 6b32ca39 d35895db

+1
+1
drivers/input/touchscreen/wm97xx-core.c
··· 616 617 /* set up touch configuration */ 618 wm->input_dev->name = "wm97xx touchscreen"; 619 wm->input_dev->open = wm97xx_ts_input_open; 620 wm->input_dev->close = wm97xx_ts_input_close; 621 set_bit(EV_ABS, wm->input_dev->evbit);
··· 616 617 /* set up touch configuration */ 618 wm->input_dev->name = "wm97xx touchscreen"; 619 + wm->input_dev->phys = "wm97xx"; 620 wm->input_dev->open = wm97xx_ts_input_open; 621 wm->input_dev->close = wm97xx_ts_input_close; 622 set_bit(EV_ABS, wm->input_dev->evbit);