Paladin Reporter
	Description • 10 years ago

[1.Description]:
[Flash][v2.1&2.2][Camera]Flash always stayed in lighting status while we quickly tap screen many times.
Attachment: logcat_flame_0956.txt and Flash_on.3gp
Occurrence time: 09:56

[2.Testing Steps]: 
Set up: Set the flash as automatic in camera(By Default)

1. Open Camera and go to take a picture mode.
2. Tap the screen in a relatively dark place.
3. Tap screen before flash turned off. 
4. Quickly repeat step 3 many times.

[3.Expected Result]: 
4.After we stop to tap the screen, the Flash will turn off automatically

[4.Actual Result]: 
4. Flash always stayed in lighting status.

[5.Reproduction build]: 
Flame 2.1 build:
Gaia-Rev        6af3d029bae3a14f400fec0926f0f8ad7b579b4b
Gecko-Rev       https://hg.mozilla.org/releases/mozilla-2g34_v2_1/rev/39eaa987093b
Build-ID        20141221001202
Version         34.0

Flame 2.2 build:
Gaia-Rev        ca6e91e09ef3ab417a0f6b6d6668d43597d85700
Gecko-Rev       https://hg.mozilla.org/mozilla-central/rev/7b33ee7fd162
Build-ID        20141221040207
Version         37.0a1

[6.Reproduction Frequency]: 
Always Recurrence,5/5
TCID: Free Test

	Eric Chang [:ericcc] [:echang]
	Comment 2 • 10 years ago

Hi Mike, Could you help with this, tapping many times on camera preview window, the flash stays on, thanks..

	Mike Habicher [:mikeh] (high bugzilla latency)
	Comment 3 • 10 years ago

I can confirm that this happens with:
- gonk  v18d
- gecko b2g-inbound:6534b40ed186
- gaia  master:3446a7b7aca75769981c1da7158895e85e7b6583

It seems more likely to happen if the AE algo hasn't completely blown-out the exposure when you re-tap.

	Mike Habicher [:mikeh] (high bugzilla latency)
	Comment 4 • 10 years ago

I just checked with the WebIDE, and the camera is reporting that flashMode is set to "auto". I've also confirmed that we set the flashMode to "auto" on app start, and with the above STR, don't change it. It looks like the driver is losing its mind.

Wesly, can you raise this issue with our partner?

	Wesly Huang (EPM)
	Comment 5 • 10 years ago

Thanks Mike!

@Youlong:

Let's add this one into tracking list and discuss it in the meeting today.

	Wesly Huang (EPM)
	Comment 6 • 10 years ago

Youlong, as discussed you can verify w/ base image first to see confirm if there is low level driver issue. Tks.

	youlong.jiang
	Comment 7 • 10 years ago

(In reply to Wesly Huang from comment #6)
> Youlong, as discussed you can verify w/ base image first to see confirm if
> there is low level driver issue. Tks.

hi wesly -

we've confirmed that this issue not reproduced on v18D, and also check log you provided that low layer wait for flash status change flag and time out, without any flash close cmd from up layer.

12-21 09:57:09.340 E/QCamera2HWI(  202): [KPI Perf] static int qcamera::QCamera2HardwareInterface::cancel_auto_focus(camera_device*) : E PROFILE_CANCEL_AUTO_FOCUS 
12-21 09:57:09.340 E/mm-camera(  234): mct_pipeline_process_set:command=8000010 
12-21 09:57:09.340 E/mm-camera-sensor(  234): port_sensor_handle_upstream_module_event:625 Reset previously set LED state! 
12-21 09:57:09.340 E/AEC_PORT(  234): aec_port_proc_downstream_event: Received LED state timeout. Reset LED state! 

so could you pls double check your gaia/gecko part.

tks.

	Wesly Huang (EPM)
	Comment 8 • 10 years ago

Hi Mike and Eric:

Would you help check comment#7 and see if gaia/gekco side should be investigated? Thank you!

	Eric Chang [:ericcc] [:echang]
	Comment 9 • 10 years ago

forward ni to mike lien

	Mike Lien[:mlien]
	Comment 10 • 10 years ago

Hi Youlong, I verify again on v18D but it indeed can be reproduced with it. Please help to check it again, thanks.
Note, the reproduce rate may be very low. You can tap the screen to get manual focus again and again around a dark environment then it has chance to reproduce it.

	youlong.jiang
	Comment 11 • 10 years ago

(In reply to Mike Lien[:mlien] from comment #10)
> Hi Youlong, I verify again on v18D but it indeed can be reproduced with it.
> Please help to check it again, thanks.
> Note, the reproduce rate may be very low. You can tap the screen to get
> manual focus again and again around a dark environment then it has chance to
> reproduce it.

hi mike -

we've tried again and not reproduced. anyway, I think this isn't the key point. in my opinion, next step could follow the clues we analysis per your log, check if there's some problem in up layer.

tks.

	BMO Automation
	Comment 12 • 7 years ago

Firefox OS is not being worked on