ALSA: usb-audio: parse clock topology of UAC2 devices

[safe/jmp/linux-2.6] / drivers / rtc / rtc-sysfs.c

diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c
index 2531ce4..380083c 100644 (file)
--- a/drivers/rtc/rtc-sysfs.c
+++ b/drivers/rtc/rtc-sysfs.c
@@ -102,6 +102,20 @@ rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
        return n;
 }
 
+static ssize_t
+rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
+               char *buf)
+{
+#ifdef CONFIG_RTC_HCTOSYS_DEVICE
+       if (rtc_hctosys_ret == 0 &&
+                       strcmp(dev_name(&to_rtc_device(dev)->dev),
+                               CONFIG_RTC_HCTOSYS_DEVICE) == 0)
+               return sprintf(buf, "1\n");
+       else
+#endif
+               return sprintf(buf, "0\n");
+}
+
 static struct device_attribute rtc_attrs[] = {
        __ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL),
        __ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL),
@@ -109,6 +123,7 @@ static struct device_attribute rtc_attrs[] = {
        __ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL),
        __ATTR(max_user_freq, S_IRUGO | S_IWUSR, rtc_sysfs_show_max_user_freq,
                        rtc_sysfs_set_max_user_freq),
+       __ATTR(hctosys, S_IRUGO, rtc_sysfs_show_hctosys, NULL),
        { },
 };