From 4e64f223857b138e3474bedc967d51db25c414b3 Mon Sep 17 00:00:00 2001 From: Alex Dubov Date: Thu, 12 Apr 2007 16:59:20 +1000 Subject: [PATCH] tifm: add sysfs attribute for tifm devices A sysfs attribute reflecting current media type is added. Signed-off-by: Alex Dubov Signed-off-by: Pierre Ossman --- drivers/misc/tifm_core.c | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c index 1e59198983..70220beb3e 100644 --- a/drivers/misc/tifm_core.c +++ b/drivers/misc/tifm_core.c @@ -142,14 +142,27 @@ static int tifm_device_resume(struct device *dev) #endif /* CONFIG_PM */ +static ssize_t type_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev); + return sprintf(buf, "%x", sock->type); +} + +static struct device_attribute tifm_dev_attrs[] = { + __ATTR(type, S_IRUGO, type_show, NULL), + __ATTR_NULL +}; + static struct bus_type tifm_bus_type = { - .name = "tifm", - .match = tifm_bus_match, - .uevent = tifm_uevent, - .probe = tifm_device_probe, - .remove = tifm_device_remove, - .suspend = tifm_device_suspend, - .resume = tifm_device_resume + .name = "tifm", + .dev_attrs = tifm_dev_attrs, + .match = tifm_bus_match, + .uevent = tifm_uevent, + .probe = tifm_device_probe, + .remove = tifm_device_remove, + .suspend = tifm_device_suspend, + .resume = tifm_device_resume }; static void tifm_free(struct class_device *cdev) -- 2.20.1