From 24fea0963459de13318a0459e7554ecef78a3931 Mon Sep 17 00:00:00 2001
From: Yandong Lin <yandong.lin@rock-chips.com>
Date: Tue, 6 Sep 2022 17:31:02 +0800
Subject: [PATCH] [mpp_platform]: fix get_kernel_version failed on 5.10

Signed-off-by: Yandong Lin <yandong.lin@rock-chips.com>
Change-Id: I51fe2311641b4a7a64595e8fc8b4813c6a962303
---
 osal/inc/mpp_platform.h       |  1 +
 osal/mpp_platform.cpp         | 11 +++++++++--
 osal/test/mpp_platform_test.c |  1 +
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/osal/inc/mpp_platform.h b/osal/inc/mpp_platform.h
index 65c65ec2..f0c74c52 100644
--- a/osal/inc/mpp_platform.h
+++ b/osal/inc/mpp_platform.h
@@ -34,6 +34,7 @@ typedef enum MppKernelVersion_e {
     KERNEL_3_10,
     KERNEL_4_4,
     KERNEL_4_19,
+    KERNEL_5_10,
     KERNEL_VERSION_BUTT,
 } MppKernelVersion;
 
diff --git a/osal/mpp_platform.cpp b/osal/mpp_platform.cpp
index b15b338b..d10af369 100644
--- a/osal/mpp_platform.cpp
+++ b/osal/mpp_platform.cpp
@@ -50,12 +50,19 @@ static MppKernelVersion check_kernel_version(void)
             pos += 14;
             count = sscanf(pos, "%d.%d.%d ", &major, &minor, &last);
             if (count >= 2 && major > 0 && minor > 0) {
-                if (major == 3)
+                switch (major) {
+                case 3: {
                     version = KERNEL_3_10;
-                else if (major == 4) {
+                } break;
+                case 4: {
                     version = KERNEL_4_4;
                     if (minor >= 19)
                         version = KERNEL_4_19;
+                } break;
+                case 5: {
+                    version = KERNEL_5_10;
+                } break;
+                default: break;
                 }
             }
         }
diff --git a/osal/test/mpp_platform_test.c b/osal/test/mpp_platform_test.c
index b84bb9a7..2196a1db 100644
--- a/osal/test/mpp_platform_test.c
+++ b/osal/test/mpp_platform_test.c
@@ -32,6 +32,7 @@ int main()
             kernel_version == KERNEL_3_10    ? "3.10"    :
             kernel_version == KERNEL_4_4     ? "4.4"     :
             kernel_version == KERNEL_4_19    ? "4.19"    :
+            kernel_version == KERNEL_5_10    ? "5.10"    :
             NULL);
     mpp_log("ioctl  version: %s\n",
             ioctl_version == IOCTL_VCODEC_SERVICE ? "vcodec_service" :