From: Peter Meerwald <pmeerw@pmeerw.net>
To: linux-iio@vger.kernel.org
Cc: lars@metafoo.de, knaack.h@gmx.de, Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH 14/15] iio:adc:ad799x: Return more meaningful event enabled state
Date: Wed, 4 Jun 2014 00:42:14 +0200 [thread overview]
Message-ID: <1401835335-29969-15-git-send-email-pmeerw@pmeerw.net> (raw)
In-Reply-To: <1401835335-29969-1-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 5c9445e..b8191f1 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
next prev parent reply other threads:[~2014-06-03 22:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-03 22:42 [PATCH 00/15] ad799x cleanup Peter Meerwald
2014-06-03 22:42 ` [PATCH 01/15] staging:iio: Update iio_event_monitor program Peter Meerwald
2014-06-03 22:42 ` [PATCH 02/15] staging:iio: Fix iio_utils.h function prototypes Peter Meerwald
2014-06-03 22:42 ` [PATCH 03/15] iio:adc:ad799x: Fix ad799x_chip_info kerneldoc Peter Meerwald
2014-06-04 7:44 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 04/15] iio:adc:ad799x: Drop I2C access helper functions Peter Meerwald
2014-06-03 22:42 ` [PATCH 05/15] iio:adc:ad799x: Save some lines in ad7997_8_update_scan_mode() exit handling Peter Meerwald
2014-06-04 7:56 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 06/15] iio:adc:ad799x: Use BIT() and GENMASK() Peter Meerwald
2014-06-03 22:42 ` [PATCH 07/15] iio:adc:ad799x: Only expose event interface when IRQ is available Peter Meerwald
2014-06-04 8:01 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 08/15] iio:adc:ad799x: Make chan_spec const in ad799x_chip_config struct Peter Meerwald
2014-06-04 7:57 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 09/15] iio:adc:ad799x: Fix reported event values, apply shift Peter Meerwald
2014-06-03 22:42 ` [PATCH 10/15] iio:adc:ad799x: Check event value range on write Peter Meerwald
2014-06-04 7:46 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 11/15] iio:adc:ad799x: Add helper function to read/write config register Peter Meerwald
2014-06-04 8:05 ` Lars-Peter Clausen
2014-06-04 8:42 ` Peter Meerwald
2014-06-03 22:42 ` [PATCH 12/15] iio:adc:ad799x: Write default config on probe and reset alert status on probe Peter Meerwald
2014-06-04 8:05 ` Lars-Peter Clausen
2014-06-03 22:42 ` [PATCH 13/15] iio:adc:ad799x: Rename ad7997_8_update_scan_mode() to ad799x_update_scan_mode() Peter Meerwald
2014-06-04 8:06 ` Lars-Peter Clausen
2014-06-03 22:42 ` Peter Meerwald [this message]
2014-06-03 22:42 ` [PATCH 15/15] iio:adc:ad799x: Allow to write event config Peter Meerwald
2014-06-04 7:55 ` Lars-Peter Clausen
2014-06-04 8:35 ` Peter Meerwald
2014-06-05 9:14 ` Lars-Peter Clausen
2014-06-05 20:15 ` [PATCH 00/15] ad799x cleanup Jonathan Cameron
2014-06-07 15:53 ` Peter Meerwald
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