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authorArchana Patni <archana.patni@intel.com>2017-05-16 18:46:48 +0300
committerBenson Leung <bleung@chromium.org>2017-06-24 02:12:16 +0300
commit450de8f43fa665189b8663ae54985152781fb6a4 (patch)
tree84b33c29bc27bfe35cf0f491b4912a70ede1af67 /drivers
parent12278dc7c572e87727715ecce9cda15b70efeca5 (diff)
downloadlinux-450de8f43fa665189b8663ae54985152781fb6a4.tar.xz
platform/chrome: cros_ec_lpc: Add power management ops
This patch adds suspend and resume pm ops to the LPC ChromeOS EC driver. These LPC handlers call the croc_ec generic handlers. Signed-off-by: Archana Patni <archana.patni@intel.com> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Signed-off-by: Benson Leung <bleung@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/chrome/cros_ec_lpc.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 9070352168a6..89afad7bb16e 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -333,10 +333,31 @@ static struct dmi_system_id cros_ec_lpc_dmi_table[] __initdata = {
};
MODULE_DEVICE_TABLE(dmi, cros_ec_lpc_dmi_table);
+#ifdef CONFIG_PM_SLEEP
+static int cros_ec_lpc_suspend(struct device *dev)
+{
+ struct cros_ec_device *ec_dev = dev_get_drvdata(dev);
+
+ return cros_ec_suspend(ec_dev);
+}
+
+static int cros_ec_lpc_resume(struct device *dev)
+{
+ struct cros_ec_device *ec_dev = dev_get_drvdata(dev);
+
+ return cros_ec_resume(ec_dev);
+}
+#endif
+
+const struct dev_pm_ops cros_ec_lpc_pm_ops = {
+ SET_LATE_SYSTEM_SLEEP_PM_OPS(cros_ec_lpc_suspend, cros_ec_lpc_resume)
+};
+
static struct platform_driver cros_ec_lpc_driver = {
.driver = {
.name = DRV_NAME,
.acpi_match_table = cros_ec_lpc_acpi_device_ids,
+ .pm = &cros_ec_lpc_pm_ops,
},
.probe = cros_ec_lpc_probe,
.remove = cros_ec_lpc_remove,