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| author | Richard Röjfors <richard.rojfors.ext@mocean-labs.com> | 2009-07-25 08:14:17 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-07-26 20:21:03 +0200 |
| commit | 703490ff7eaff03e412683da3d8367b5190a71ca (patch) | |
| tree | 71e4b3b41dd0d70a859d9137b656fbfb0d756bbb /drivers/input/touchscreen/tsc2007.c | |
| parent | Input: tsc2007 - make init/exit platform hw callbacks optional (diff) | |
| download | linux-703490ff7eaff03e412683da3d8367b5190a71ca.tar.xz linux-703490ff7eaff03e412683da3d8367b5190a71ca.zip | |
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>
Diffstat (limited to 'drivers/input/touchscreen/tsc2007.c')
| -rw-r--r-- | drivers/input/touchscreen/tsc2007.c | 5 |
1 files changed, 3 insertions, 2 deletions
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; |