Messages in this thread Patch in this message | | | From | Zubair Lutfullah <> | Subject | [PATCH 10/15] iio: ti_am335x_adc: Also clear threshold event when clearing overrun event | Date | Thu, 18 Jul 2013 23:21:21 +0100 |
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From: Russ Dill <Russ.Dill@ti.com>
When an overrun occurs, the FIFO is cleared. If a FIFO threshold event was pending, the data is now gone. Clear the threshold event when handling an overrun (or underflow).
Signed-off-by: Russ Dill <Russ.Dill@ti.com> Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com> --- drivers/iio/adc/ti_am335x_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 8dc070d..6957011 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -171,8 +171,8 @@ static irqreturn_t tiadc_irq(int irq, void *private) config = tiadc_readl(adc_dev, REG_CTRL); config &= ~(CNTRLREG_TSCSSENB); tiadc_writel(adc_dev, REG_CTRL, config); - tiadc_writel(adc_dev, REG_IRQSTATUS, - IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW); + tiadc_writel(adc_dev, REG_IRQSTATUS, IRQENB_FIFO1THRES + | IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW); tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB)); return IRQ_HANDLED; -- 1.7.9.5
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