audio: av/hdmi source gain do not take effect [1/1]

PD#TV-152849

Problem:
When the patch creats, the source gain will set to 1.

Solution:
Should not set source gain when creating the patch.

Verify:
yocto-t5w

Change-Id: I53aa8ba4357911504257d931e4c6bdf615f98665
Signed-off-by: yayun.shi <yayun.shi@amlogic.com>
diff --git a/input/device_patch_mgr.c b/input/device_patch_mgr.c
index 8706f0a..b927f8b 100644
--- a/input/device_patch_mgr.c
+++ b/input/device_patch_mgr.c
@@ -316,7 +316,6 @@
     }
 
     set_input_device_avail(patch_mgr->adev, src_device, true);
-    set_inport_gain(patch_mgr->adev, inport, 1.0);
 
     if (SRC_DTV == patch_source) {
 #ifdef USE_DTV