linux-kernel - [PATCH v3 3/7] iio: core: Introduce IIO_EV_DIR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1414491571-11672-4-git-send-email-daniel.baluta@intel.com>
Date:	Tue, 28 Oct 2014 12:19:27 +0200
From:	Daniel Baluta <daniel.baluta@...el.com>
To:	jic23@...nel.org, linux-iio@...r.kernel.org
Cc:	daniel.baluta@...el.com, knaack.h@....de,
	linux-kernel@...r.kernel.org, irina.tirdea@...el.com
Subject: [PATCH v3 3/7] iio: core: Introduce IIO_EV_DIR_NONE

From: Irina Tirdea <irina.tirdea@...el.com>

For some events (e.g.: step detector) a direction does not make sense.

Add IIO_EV_DIR_NONE to be used with such events and generate sysfs event
attributes that do not contain direction.

Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
Signed-off-by: Daniel Baluta <daniel.baluta@...el.com>
---
 drivers/iio/industrialio-event.c | 12 +++++++++---
 include/linux/iio/types.h        |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index 0c1e37e..1290290 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -327,9 +327,15 @@ static int iio_device_add_event(struct iio_dev *indio_dev,
 	for_each_set_bit(i, mask, sizeof(*mask)*8) {
 		if (i >= ARRAY_SIZE(iio_ev_info_text))
 			return -EINVAL;
-		postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",
-				iio_ev_type_text[type], iio_ev_dir_text[dir],
-				iio_ev_info_text[i]);
+		if (dir != IIO_EV_DIR_NONE)
+			postfix = kasprintf(GFP_KERNEL, "%s_%s_%s",
+					iio_ev_type_text[type],
+					iio_ev_dir_text[dir],
+					iio_ev_info_text[i]);
+		else
+			postfix = kasprintf(GFP_KERNEL, "%s_%s",
+					iio_ev_type_text[type],
+					iio_ev_info_text[i]);
 		if (postfix == NULL)
 			return -ENOMEM;
 
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index b3a241d..52cb532 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -86,6 +86,7 @@ enum iio_event_direction {
 	IIO_EV_DIR_EITHER,
 	IIO_EV_DIR_RISING,
 	IIO_EV_DIR_FALLING,
+	IIO_EV_DIR_NONE,
 };
 
 #define IIO_VAL_INT 1
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/