Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1543616

[PATCH 2/3] platform/chrome: cros_ec_lpc: Add power management ops

From Thierry Escande <thierry.escande@collabora.com>
Newsgroups linux.kernel
Subject [PATCH 2/3] platform/chrome: cros_ec_lpc: Add power management ops
Date 2016-12-16 18:40 +0100
Message-ID <sP4Ea-6Gh-19@gated-at.bofh.it> (permalink)
References <sP4E9-6Gh-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Archana Patni <archana.patni@intel.com>

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>
---
 drivers/platform/chrome/cros_ec_lpc.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 90703521..89afad7 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,
-- 
2.7.4

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH 2/3] platform/chrome: cros_ec_lpc: Add power management ops Thierry Escande <thierry.escande@collabora.com> - 2016-12-16 18:40 +0100

csiph-web