From b6e21e3cd0825e7ec2b3b7e6401d25b901deeed2 Mon Sep 17 00:00:00 2001
From: Peter Seiderer <ps.report@gmx.net>
Date: Wed, 31 Mar 2021 22:51:03 +0200
Subject: [PATCH] genesys: use usleep instead of std::this_thread::sleep_for to
 re-enable thread less compile
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Fixes:

  genesys/scanner_interface_usb.cpp: In member function ‘virtual void genesys::ScannerInterfaceUsb::sleep_us(unsigned int)’:
  genesys/scanner_interface_usb.cpp:484:10: error: ‘std::this_thread’ has not been declared
    484 |     std::this_thread::sleep_for(std::chrono::microseconds{microseconds});
        |          ^~~~~~~~~~~

[Upstream: https://gitlab.com/sane-project/backends/-/merge_requests/619]
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
---
 backend/genesys/scanner_interface_usb.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/backend/genesys/scanner_interface_usb.cpp b/backend/genesys/scanner_interface_usb.cpp
index 117297c..2ca78ab 100644
--- a/backend/genesys/scanner_interface_usb.cpp
+++ b/backend/genesys/scanner_interface_usb.cpp
@@ -43,7 +43,6 @@
 
 #include "scanner_interface_usb.h"
 #include "low.h"
-#include <thread>
 
 namespace genesys {
 
@@ -481,7 +480,7 @@ void ScannerInterfaceUsb::sleep_us(unsigned microseconds)
     if (sanei_usb_is_replay_mode_enabled()) {
         return;
     }
-    std::this_thread::sleep_for(std::chrono::microseconds{microseconds});
+    usleep(microseconds);
 }
 
 void ScannerInterfaceUsb::record_progress_message(const char* msg)
-- 
2.30.2