From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f42.google.com ([74.125.83.42]:46082 "EHLO mail-ee0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756796Ab3GQR1Q (ORCPT ); Wed, 17 Jul 2013 13:27:16 -0400 From: Zubair Lutfullah To: jic23@cam.ac.uk Cc: linux-iio@vger.kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, koen@dominion.thruhere.net, zubair.lutfullah@gmail.com Subject: [PATCH 12/21] IIO: ti_adc: Also clear threshold event when clearing overrun event Date: Wed, 17 Jul 2013 18:26:41 +0100 Message-Id: <1374082010-28095-13-git-send-email-zubair.lutfullah@gmail.com> In-Reply-To: <1374082010-28095-1-git-send-email-zubair.lutfullah@gmail.com> References: <1374082010-28095-1-git-send-email-zubair.lutfullah@gmail.com> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org 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 Signed-off-by: Zubair Lutfullah --- drivers/iio/adc/ti_am335x_adc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index fcd414d..1e48799 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -178,7 +178,8 @@ static irqreturn_t tiadc_irq(int irq, void *private) tiadc_writel(adc_dev, REG_IRQSTATUS, IRQENB_FIFO1OVRRUN | - IRQENB_FIFO1UNDRFLW); + IRQENB_FIFO1UNDRFLW | + IRQENB_FIFO1THRES); tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB)); -- 1.7.9.5