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authorLinus Torvalds <torvalds@linux-foundation.org>2010-12-15 01:33:33 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-12-15 01:33:33 +0300
commit3907969596091f429b7864cfe4e473a227876a96 (patch)
tree7c8e826af7a886a02298c1c0c00a466476c6e626 /drivers/acpi/ac.c
parent66ef6aa63defa54b2c7e8edcc69e0641d2bb61ef (diff)
parent23437b5c50f523a87ca5c02fd883b069ca8be7f3 (diff)
downloadlinux-3907969596091f429b7864cfe4e473a227876a96.tar.xz
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI / PM: Do not save/restore NVS on Sony Vaio VGN-NW130D ACPI/HEST: adjust section selection ACPI: eliminate unused variable warning for !ACPI_SLEEP ACPI/PNP: avoid section mismatch warning ACPI thermal: remove two unused functions ACPI: fix a section mismatch ACPI, APEI, use raw spinlock in ERST ACPI: video: fix build for CONFIG_ACPI=n ACPI: video: fix build for VIDEO_OUTPUT_CONTROL=n ACPI: fix allowing to add/remove multiple _OSI strings acpi: fix _OSI string setup regression ACPI: EC: Add another dmi match entry for MSI hardware ACPI battery: update status upon sysfs query ACPI ac: update AC status upon sysfs query ACPI / PM: Do not refcount power resources that can't be turned on ACPI / PM: Check device state before refcounting power resources
Diffstat (limited to 'drivers/acpi/ac.c')
-rw-r--r--drivers/acpi/ac.c46
1 files changed, 29 insertions, 17 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index ba9afeaa23ac..25d3aaebc10d 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -100,24 +100,7 @@ static const struct file_operations acpi_ac_fops = {
.release = single_release,
};
#endif
-static int get_ac_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
-{
- struct acpi_ac *ac = to_acpi_ac(psy);
- switch (psp) {
- case POWER_SUPPLY_PROP_ONLINE:
- val->intval = ac->state;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-static enum power_supply_property ac_props[] = {
- POWER_SUPPLY_PROP_ONLINE,
-};
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@@ -140,6 +123,35 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
return 0;
}
+/* --------------------------------------------------------------------------
+ sysfs I/F
+ -------------------------------------------------------------------------- */
+static int get_ac_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct acpi_ac *ac = to_acpi_ac(psy);
+
+ if (!ac)
+ return -ENODEV;
+
+ if (acpi_ac_get_state(ac))
+ return -ENODEV;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = ac->state;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static enum power_supply_property ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
#ifdef CONFIG_ACPI_PROCFS_POWER
/* --------------------------------------------------------------------------
FS Interface (/proc)