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IDProjectCategoryView StatusLast Update
0001208T99X171.00 SKB EagleSWpublic2021-09-30 18:44
Reporter(ALTech) Younkwang Jung Assigned To(ALTech) Younkwang Jung Due Date
PriorityurgentSeveritys2-severeReproducibilityalways
Status closedResolutionfixed 
Summary0001208: [BFX_AT100][BTF] About /sys/class/amhdmitx/amhdmitx0/fake_plug
DescriptionHi Kerwin

There is an issue during the sleep and hdmi tests.
The test sequence is as follows.
1) enter sleep mode (input keyevent POWER)
    and wait 10 second
2) kill com.skb.tv
     am force-stop com.skb.tv
3) exit sleep mode ( input keyevent POWER )
There's an issue that's stuck on the VOD ad page.
Unlike INTEC and INNOPIA, only FXN models have this issue.

Amlogic was checking the log and they said that only the FXN model is using this function.
/sys/class/amhdmitx/amhdmitx0/fake_plug

Why are you using this feature? , Is there a reason why FNX used this?
Amlogic does not recommend using this feature.

Please explain why FXN used this function ( fake_plug )

Thank you.
YK.Jung
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User List (ALTech) SY Yoon

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(SW) Kerwin Chen

2021-04-27 10:27

developer   ~0006883

Hi Mr. YK Jung,

I do the standby-resume test and find that HAL API "DISPLAY_HDMI_setEnable()" is not called in current version(v15.523.06m).
I think SPTek change the way to put STB into standby/resume.
We need to understand current flow for standby/resume.
Could you help to check it with SPTek ?

Thanks !

(ALTech) Younkwang Jung

2021-04-27 13:09

developer   ~0006888

Hi Kerwin

The final version is spteck's HDMI test version. you can't test it with that.

The point of my question is why FXN uses fake_plug.
Please let me know the reason.
Amloigc wants to check it.

Thanks!!

(SW) Kerwin Chen

2021-04-27 13:44

developer   ~0006889

Hi Mr. YK Jung,

"fake_plug" is used to solve interoperability for standby/resume during BMT tests.
 We are checking this issue with AML directly and will update once we have conclusion.
Thanks !

(SW) Kerwin Chen

2021-04-30 14:46

developer   ~0006959

Hi Mr. YK Jung,

The root cause of "random" reboot is in HDMI "early-suspend" API.
We already fix it and commit patch to SKB BitBucket. (v15.524.1 , 20210429)
I change status to resolved.
Thanks !

Issue History

Date Modified Username Field Change
2021-04-26 18:08 (ALTech) Younkwang Jung New Issue
2021-04-26 18:08 (ALTech) Younkwang Jung Status new => assigned
2021-04-26 18:08 (ALTech) Younkwang Jung Assigned To => (SW) Kerwin Chen
2021-04-26 18:09 (ALTech) Younkwang Jung Issue Monitored: (ALTech) SY Yoon
2021-04-26 18:09 (ALTech) Younkwang Jung Priority normal => urgent
2021-04-27 10:27 (SW) Kerwin Chen Note Added: 0006883
2021-04-27 10:27 (SW) Kerwin Chen Assigned To (SW) Kerwin Chen => (ALTech) Younkwang Jung
2021-04-27 10:27 (SW) Kerwin Chen Status assigned => feedback
2021-04-27 13:09 (ALTech) Younkwang Jung Note Added: 0006888
2021-04-27 13:44 (SW) Kerwin Chen Note Added: 0006889
2021-04-30 14:46 (SW) Kerwin Chen Status feedback => resolved
2021-04-30 14:46 (SW) Kerwin Chen Resolution open => fixed
2021-04-30 14:46 (SW) Kerwin Chen Note Added: 0006959
2021-09-30 18:44 (ALTech) Younkwang Jung Status resolved => closed