Added UCSI PPM start PPM stop DDI calls in prepare and release hardware respectively.

1 files changed, 6 insertions, 3 deletions

diff --git a/usb/UcmUcsiAcpiSample/UcmUcsiAcpiSample/Ppm.cpp b/usb/UcmUcsiAcpiSample/UcmUcsiAcpiSample/Ppm.cpp
index 8b2a5fe5..c04931a0 100644
--- a/usb/UcmUcsiAcpiSample/UcmUcsiAcpiSample/Ppm.cpp
+++ b/usb/UcmUcsiAcpiSample/UcmUcsiAcpiSample/Ppm.cpp
@@ -212,9 +212,12 @@ Ppm::PrepareHardware()
 
     TRACE_FUNC_ENTRY(TRACE_FLAG_PPM);
 
-    // Placeholder. Nothing to do here as of now.
+    status = UcmUcsiPpmStart(GetObjectHandle());
+    if (!NT_SUCCESS(status))
+    {
+        TRACE_ERROR(TRACE_FLAG_PPM, "[Device: 0x%p] UcmUcsiPpmStart returned failure %!STATUS!", m_Device->GetObjectHandle(), status);
+    }
 
-    status = STATUS_SUCCESS;
     TRACE_FUNC_EXIT(TRACE_FLAG_PPM);
     return status;
 }
@@ -227,7 +230,7 @@ Ppm::ReleaseHardware()
 
     TRACE_FUNC_ENTRY(TRACE_FLAG_PPM);
 
-    // No action needed here from the client driver.
+    UcmUcsiPpmStop(GetObjectHandle());
 
     TRACE_FUNC_EXIT(TRACE_FLAG_PPM);
 }