diff options
Diffstat (limited to 'kernel/power/main.c')
| -rw-r--r-- | kernel/power/main.c | 23 |
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 */ |