All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ping Cheng <pinglinux@gmail.com>
To: linux-input@vger.kernel.org
Cc: Ping Cheng <pinglinux@gmail.com>, Ping Cheng <pingc@wacom.com>
Subject: [PATCH 4/4] input: wacom - make LED status readable through sysfs
Date: Mon,  3 Oct 2011 17:03:48 -0700	[thread overview]
Message-ID: <1317686628-29686-1-git-send-email-pinglinux@gmail.com> (raw)

Signed-off-by: Ping Cheng <pingc@wacom.com>
---
 drivers/input/tablet/wacom_sys.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 6a61c8b..5a3895e 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -584,7 +584,14 @@ static ssize_t wacom_led##SET_ID##_select_store(struct device *dev,	\
 {									\
 	return wacom_led_select_store(dev, SET_ID, buf, count);		\
 }									\
-static DEVICE_ATTR(status_led##SET_ID##_select, S_IWUSR, NULL,		\
+static ssize_t wacom_led##SET_ID##_select_show(struct device *dev,	\
+	struct device_attribute *attr, char *buf)			\
+{									\
+	struct wacom *wacom = dev_get_drvdata(dev);			\
+	return snprintf(buf, 2, "%d\n", wacom->led.select[SET_ID]);	\
+}									\
+static DEVICE_ATTR(status_led##SET_ID##_select, S_IWUSR | S_IRUSR,	\
+		    wacom_led##SET_ID##_select_show,			\
 		    wacom_led##SET_ID##_select_store)
 
 DEVICE_LED_SELECT_ATTR(0);
-- 
1.7.6


                 reply	other threads:[~2011-10-04  0:02 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1317686628-29686-1-git-send-email-pinglinux@gmail.com \
    --to=pinglinux@gmail.com \
    --cc=linux-input@vger.kernel.org \
    --cc=pingc@wacom.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.