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Fourth set of IIO fixes for the 3.14 kernel. 

A single line patch fixing a regression that was introduced in 3.13 in the
 reworking of the mxs touch screen and ADC drivers to be interrupt rather
 than polling driven.  It resulted in a stray double reporting of the release
 coordinate in the touch screen driver.  The bug lay in the adc side
 of the driver which left the statemachine in the wrong state.
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Merge tag 'fixes-for-3.14d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

Fourth set of IIO fixes for the 3.14 kernel.

A single line patch fixing a regression that was introduced in 3.13 in the
reworking of the mxs touch screen and ADC drivers to be interrupt rather
than polling driven.  It resulted in a stray double reporting of the release
coordinate in the touch screen driver.  The bug lay in the adc side
of the driver which left the statemachine in the wrong state.
This commit is contained in:
Greg Kroah-Hartman 2014-02-28 17:08:03 -08:00
parent 260ea9c2e2 760dbe1dcb
commit d3dae4ad18
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/iio/adc/mxs-lradc.c
View File

@ -757,6 +757,7 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid)
}
/* if it is released, wait for the next touch via IRQ */
lradc->cur_plate = LRADC_TOUCH;
mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
}