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From: Peter Meerwald <pmeerw@pmeerw.net>
To: linux-iio@vger.kernel.org
Cc: jic23@kernel.org, Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH v3 11/12] iio:adc:ad799x: Return more meaningful event enabled state
Date: Thu, 12 Jun 2014 06:54:15 +0200	[thread overview]
Message-ID: <1402548856-3564-12-git-send-email-pmeerw@pmeerw.net> (raw)
In-Reply-To: <1402548856-3564-1-git-send-email-pmeerw@pmeerw.net>

only report an event as enabled if it actually is enabled

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
---
 drivers/iio/adc/ad799x.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index abc36c8..08bcada3 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -364,7 +364,15 @@ static int ad799x_read_event_config(struct iio_dev *indio_dev,
 				    enum iio_event_type type,
 				    enum iio_event_direction dir)
 {
-	return 1;
+	struct ad799x_state *st = iio_priv(indio_dev);
+
+	if (!(st->config & AD7998_ALERT_EN))
+		return 0;
+
+	if ((st->config >> AD799X_CHANNEL_SHIFT) & BIT(chan->scan_index))
+		return 1;
+
+	return 0;
 }
 
 static unsigned int ad799x_threshold_reg(const struct iio_chan_spec *chan,
-- 
1.9.1


  parent reply	other threads:[~2014-06-12  4:54 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-12  4:54 [PATCH v3 00/12] ad799x cleanup Peter Meerwald
2014-06-12  4:54 ` [PATCH v3 01/12] iio:adc:ad799x: Fix reading and writing of event values, apply shift Peter Meerwald
2014-06-12  8:07   ` Lars-Peter Clausen
2014-06-14 14:19     ` Jonathan Cameron
2014-06-29 14:47       ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 02/12] iio:adc:ad799x: Fix ad799x_chip_info kerneldoc Peter Meerwald
2014-06-14 14:21   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 03/12] iio:adc:ad799x: Drop I2C access helper functions Peter Meerwald
2014-06-12  8:10   ` Lars-Peter Clausen
2014-06-14 14:26     ` Jonathan Cameron
2014-07-13 20:47     ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 04/12] iio:adc:ad799x: Save some lines in ad7997_8_update_scan_mode() exit handling Peter Meerwald
2014-07-13 20:56   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 05/12] iio:adc:ad799x: Use BIT() and GENMASK() Peter Meerwald
2014-07-13 20:56   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 06/12] iio:adc:ad799x: Only expose event interface when IRQ is available Peter Meerwald
2014-07-13 20:56   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 07/12] iio:adc:ad799x: Make chan_spec const in ad799x_chip_config struct Peter Meerwald
2014-07-13 20:57   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 08/12] iio:adc:ad799x: Add helper function to read/write config register Peter Meerwald
2014-07-13 20:57   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 09/12] iio:adc:ad799x: Write default config on probe and reset alert status on probe Peter Meerwald
2014-07-13 20:58   ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 10/12] iio:adc:ad799x: Set conversion channels and rename ad7997_8_update_scan_mode() Peter Meerwald
2014-07-13 20:58   ` Jonathan Cameron
2014-06-12  4:54 ` Peter Meerwald [this message]
2014-06-12  8:08   ` [PATCH v3 11/12] iio:adc:ad799x: Return more meaningful event enabled state Lars-Peter Clausen
2014-07-13 20:59     ` Jonathan Cameron
2014-06-12  4:54 ` [PATCH v3 12/12] iio:adc:ad799x: Allow to write event config Peter Meerwald
2014-06-12  8:08   ` Lars-Peter Clausen
2014-07-13 21:01     ` Jonathan Cameron

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