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Input: tsc2007 - do not read coordinates during probe 

Don't read coordinates during probe of the driver, just power down
the controller and wait for interrupts.

Signed-off-by: Richard Röjfors<richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Richard Röjfors 2009-07-24 23:14:17 -07:00 committed by Dmitry Torokhov
parent cad065fd1e
commit 703490ff7e
1 changed files with 3 additions and 2 deletions
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5
drivers/input/touchscreen/tsc2007.c
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@ -184,7 +184,7 @@ static int tsc2007_read_values(struct tsc2007 *tsc)
tsc->tc.z1 = tsc2007_xfer(tsc, READ_Z1);
tsc->tc.z2 = tsc2007_xfer(tsc, READ_Z2);
/* power down */
/* Prepare for next touch reading - power down ADC, enable PENIRQ */
tsc2007_xfer(tsc, PWRDOWN);
return 0;
@ -311,7 +311,8 @@ static int __devinit tsc2007_probe(struct i2c_client *client,
i2c_set_clientdata(client, ts);
tsc2007_read_values(ts);
/* Prepare for touch readings - power down ADC and enable PENIRQ */
tsc2007_xfer(ts, PWRDOWN);
return 0;