[PATCH 4/4] firmware sysfs node
flat view
STALE5879d
From: Rafi Rubin <hidden>
Date: 2010-08-26 05:06:06
Also in:
lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
Signed-off-by: Rafi Rubin <redacted> --- drivers/hid/hid-ntrig.c | 21 +++++++++++++++++++++ 1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index ab0ca7f..e341e88 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c@@ -375,6 +375,26 @@ static ssize_t set_deactivate_slack(struct device *dev, static DEVICE_ATTR(deactivate_slack, S_IWUSR | S_IRUGO, show_deactivate_slack, set_deactivate_slack); +static ssize_t show_firmware(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct ntrig_data *nd = hid_get_drvdata(hdev); + + if (!(nd->firmware_version[0] || nd->firmware_version[1] || + nd->firmware_version[2] || nd->firmware_version[3])) + return sprintf(buf, "Firmware version unavailable"); + + ntrig_version_string(nd->firmware_version, buf); + + return sprintf(buf, "%s (%02x%02x %02x%02x)\n", buf, + nd->firmware_version[0], nd->firmware_version[1], + nd->firmware_version[2], nd->firmware_version[3]); +} + +static DEVICE_ATTR(firmware, S_IRUGO, show_firmware, NULL); + static struct attribute *sysfs_attrs[] = { &dev_attr_sensor_physical_width.attr, &dev_attr_sensor_physical_height.attr,
@@ -386,6 +406,7 @@ static struct attribute *sysfs_attrs[] = { &dev_attr_activation_width.attr, &dev_attr_activation_height.attr, &dev_attr_deactivate_slack.attr, + &dev_attr_firmware.attr, NULL };
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1.7.1