From 703490ff7eaff03e412683da3d8367b5190a71ca Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Richard=20R=C3=B6jfors?= Date: Fri, 24 Jul 2009 23:14:17 -0700 Subject: Input: tsc2007 - do not read coordinates during probe MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Don't read coordinates during probe of the driver, just power down the controller and wait for interrupts. Signed-off-by: Richard Röjfors Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/tsc2007.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/input') diff --git a/drivers/input/touchscreen/tsc2007.c b/drivers/input/touchscreen/tsc2007.c index 8105bf640151..f710af4d0ff7 100644 --- a/drivers/input/touchscreen/tsc2007.c +++ b/drivers/input/touchscreen/tsc2007.c @@ -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; -- cgit v1.2.3