A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Input: edt-ft5x06 - adjust delays to conform datasheet

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The FT5x06 datasheet specifies a minimum reset width of 5ms and a
delay between deassertion of reset and start of reporting of 300ms.
Adjust the delays to conform to the datasheet.

With the original delays I sometimes experienced communication
timeouts when initializing the controller.

Signed-off-by: Lothar Waßmann <[email protected]>
Acked-by: Fugang Duan <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
This commit is contained in:
Lothar Waßmann 2014-03-28 09:27:50 -07:00 • committed by Dmitry Torokhov
commit c080846749
1 changed files with 3 additions and 3 deletions
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6
drivers/input/touchscreen/edt-ft5x06.c
View file

@ -635,7 +635,7 @@ static int edt_ft5x06_ts_reset(struct i2c_client *client,
return error;
}
mdelay(5);
msleep(5);
gpio_set_value(tsdata->wake_pin, 1);
}
if (gpio_is_valid(tsdata->reset_pin)) {
@ -650,9 +650,9 @@ static int edt_ft5x06_ts_reset(struct i2c_client *client,
return error;
}
mdelay(50);
msleep(5);
gpio_set_value(tsdata->reset_pin, 1);
mdelay(100);
msleep(300);
}
return 0;