diff options
| -rw-r--r-- | arch/x86/kernel/olpc-pm.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/x86/kernel/olpc-pm.c b/arch/x86/kernel/olpc-pm.c index acedefbba498..9532a5b16b60 100644 --- a/arch/x86/kernel/olpc-pm.c +++ b/arch/x86/kernel/olpc-pm.c @@ -711,6 +711,9 @@ static struct attribute_group olpc_attrs = { static ssize_t wackup_event_show(struct kobject *s, struct kobj_attribute *attr, char *buf); static ssize_t wackup_event_store(struct kobject *s, struct kobj_attribute *attr, const char *buf, size_t n); +static ssize_t wackup_all_show(struct kobject *s, struct kobj_attribute *attr, char *buf); +static ssize_t wackup_all_store(struct kobject *s, struct kobj_attribute *attr, const char *buf, size_t n); + static struct kobj_attribute wackup_event_attr[] = { __ATTR(ps2event, 0600, wackup_event_show, wackup_event_store), __ATTR(battery_state, 0600, wackup_event_show, wackup_event_store), @@ -719,6 +722,7 @@ static struct kobj_attribute wackup_event_attr[] = { __ATTR(ebook_mode_change, 0600, wackup_event_show, wackup_event_store), __ATTR(wlan, 0600, wackup_event_show, wackup_event_store), __ATTR(ac_power, 0600, wackup_event_show, wackup_event_store), + __ATTR(all, 0600, wackup_all_show, wackup_all_store) }; static DEFINE_RWLOCK(wackup_event_lock); @@ -758,6 +762,43 @@ static ssize_t wackup_event_store(struct kobject *s, struct kobj_attribute *attr return n; } +static ssize_t wackup_all_show(struct kobject *s, struct kobj_attribute *attr, char *buf) +{ + u8 data; + + read_lock(&wackup_event_lock); + olpc_ec_cmd(EC_READ_SCI_MASK, NULL, 0, &data, 1); + read_unlock(&wackup_event_lock); + + if (data == 0xff) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static ssize_t wackup_all_store(struct kobject *s, struct kobj_attribute *attr, const char *buf, size_t n) +{ + unsigned enabled; + u8 data; + unsigned char shift = attr - wackup_event_attr; + + if (sscanf(buf, "%d\n", &enabled) != 1) + return -EINVAL; + + if (enabled == 1) + data = 0xff; + else if (!enabled) + data = 0; + else + return -EINVAL; + + write_lock(&wackup_event_lock); + olpc_ec_cmd(EC_WRITE_SCI_MASK, &data, 1, NULL, 0); + write_unlock(&wackup_event_lock); + + return n; +} + static struct attribute * olpc_wackup_event_attributes[] = { &wackup_event_attr[0].attr, &wackup_event_attr[1].attr, @@ -766,6 +807,7 @@ static struct attribute * olpc_wackup_event_attributes[] = { &wackup_event_attr[4].attr, &wackup_event_attr[5].attr, &wackup_event_attr[6].attr, + &wackup_event_attr[7].attr, NULL }; |