From 1a123b97ab76880379a19d3a4027081fa092672d Mon Sep 17 00:00:00 2001
From: Hector Martin <marcan@marcan.st>
Date: Fri, 18 Mar 2022 08:51:42 +0900
Subject: [PATCH 1/8] [users] Read product from the device tree on DT platforms
Non-DMI platforms may have a device tree instead (e.g. many embedded
devices, Apple Silicon Macs). If we find a model string in the DT, use
that as a fallback when DMI is not available.
Signed-off-by: Hector Martin <marcan@marcan.st>
---
src/modules/users/Config.cpp | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/src/modules/users/Config.cpp b/src/modules/users/Config.cpp
index c75e8a6e7..4d770b78a 100644
--- a/src/modules/users/Config.cpp
+++ b/src/modules/users/Config.cpp
@@ -340,15 +340,30 @@ guessProductName()
if ( !tried )
{
QFile dmiFile( QStringLiteral( "/sys/devices/virtual/dmi/id/product_name" ) );
+ QFile modelFile( QStringLiteral( "/proc/device-tree/model" ) );
if ( dmiFile.exists() && dmiFile.open( QIODevice::ReadOnly ) )
{
dmiProduct = cleanupForHostname( QString::fromLocal8Bit( dmiFile.readAll().simplified().data() ) );
+ if ( !dmiProduct.isEmpty() )
+ {
+ tried = true;
+ return dmiProduct;
+ }
}
- if ( dmiProduct.isEmpty() )
+
+ if ( modelFile.exists() && modelFile.open( QIODevice::ReadOnly ) )
{
- dmiProduct = QStringLiteral( "pc" );
+ dmiProduct
+ = cleanupForHostname( QString::fromLocal8Bit( modelFile.readAll().chopped( 1 ).simplified().data() ) );
+ if ( !dmiProduct.isEmpty() )
+ {
+ tried = true;
+ return dmiProduct;
+ }
}
+
+ dmiProduct = QStringLiteral( "pc" );
tried = true;
}
return dmiProduct;
--
2.41.0