commit 05e8ea8e3c834f2bd029647930dd8c139486bada
author Renze Nicolai <renze@rnplus.nl> Thu Jul 04 00:46:16 2024 +0200
committer Jason M. Bills <jason.m.bills@linux.intel.com> Fri Oct 25 13:20:10 2024 -0700
tree 9302bce066d05d03409ca4ebe28be78ea6871b0c
parent c6d756565e5e88656ac58d518347d43f1052ed58

x86-power-control: add passthrough option

Add a power and reset button passthrough option
for emulating button behavior by directly controlling
the control output pin.

Change-Id: I50df3e604401b4afd43fa89a0709466bbf01638b
Signed-off-by: Renze Nicolai <renze@rnplus.nl>

src/power_control.cpp

diff --git a/src/power_control.cpp b/src/power_control.cpp
index b020309..0fd422d 100644
--- a/src/power_control.cpp
+++ b/src/power_control.cpp
@@ -2067,6 +2067,16 @@
             lg2::info("power button press masked");
         }
     }
+#if USE_BUTTON_PASSTHROUGH
+    gpiod::line gpioLine;
+    bool outputState =
+        asserted ? powerOutConfig.polarity : (!powerOutConfig.polarity);
+    if (!setGPIOOutput(powerOutConfig.lineName, outputState, gpioLine))
+    {
+        lg2::error("{GPIO_NAME} power button passthrough failed", "GPIO_NAME",
+                   powerOutConfig.lineName);
+    }
+#endif
 }
 
 static void resetButtonHandler(bool state)
@@ -2086,6 +2096,16 @@
             lg2::info("reset button press masked");
         }
     }
+#if USE_BUTTON_PASSTHROUGH
+    gpiod::line gpioLine;
+    bool outputState =
+        asserted ? resetOutConfig.polarity : (!resetOutConfig.polarity);
+    if (!setGPIOOutput(resetOutConfig.lineName, outputState, gpioLine))
+    {
+        lg2::error("{GPIO_NAME} reset button passthrough failed", "GPIO_NAME",
+                   resetOutConfig.lineName);
+    }
+#endif
 }
 
 #ifdef CHASSIS_SYSTEM_RESET