mfd: cros_ec: Send suspend state notification to EC
Notify EC when going to or returning from suspend so that proper actions
related to wake events can be taken.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
index da1c188..34ecae4 100644
--- a/include/linux/mfd/cros_ec_commands.h
+++ b/include/linux/mfd/cros_ec_commands.h
@@ -2547,6 +2547,20 @@ struct ec_params_ext_power_current_limit {
uint32_t limit; /* in mA */
} __packed;
+/* Inform the EC when entering a sleep state */
+#define EC_CMD_HOST_SLEEP_EVENT 0xa9
+
+enum host_sleep_event {
+ HOST_SLEEP_EVENT_S3_SUSPEND = 1,
+ HOST_SLEEP_EVENT_S3_RESUME = 2,
+ HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
+ HOST_SLEEP_EVENT_S0IX_RESUME = 4
+};
+
+struct ec_params_host_sleep_event {
+ uint8_t sleep_event;
+} __packed;
+
/*****************************************************************************/
/* Smart battery pass-through */