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Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/main.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 32147b57c3b..c74a56436d8 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -332,6 +332,27 @@ static ssize_t state_store(struct kset *kset, const char *buf, size_t n)
power_attr(state);
+unsigned long s2ram_beep = 0;
+
+static ssize_t s2ram_beep_show(struct kset *kset, char *buf)
+{
+ return sprintf(buf, "%d\n", s2ram_beep);
+}
+
+static ssize_t
+s2ram_beep_store(struct kset *kset, const char *buf, size_t n)
+{
+ int val;
+
+ if (sscanf(buf, "%d", &val) > 0) {
+ s2ram_beep = val;
+ return n;
+ }
+ return -EINVAL;
+}
+
+power_attr(s2ram_beep);
+
#ifdef CONFIG_PM_TRACE
int pm_trace_enabled;
@@ -357,11 +378,13 @@ power_attr(pm_trace);
static struct attribute * g[] = {
&state_attr.attr,
&pm_trace_attr.attr,
+ &s2ram_beep_attr.attr,
NULL,
};
#else
static struct attribute * g[] = {
&state_attr.attr,
+ &s2ram_beep_attr.attr,
NULL,
};
#endif /* CONFIG_PM_TRACE */