Re: [PATCH v4] media: Driver for Toshiba et8ek8 5MP sensor

From: Pavel Machek <pavel@ucw.cz>
To: Sakari Ailus <sakari.ailus@iki.fi>
Cc: ivo.g.dimitrov.75@gmail.com, sre@kernel.org,
	pali.rohar@gmail.com, linux-media@vger.kernel.org,
	galak@codeaurora.org, mchehab@osg.samsung.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] media: Driver for Toshiba et8ek8 5MP sensor
Date: Sun, 23 Oct 2016 22:40:01 +0200	[thread overview]
Message-ID: <20161023204001.GD6391@amd> (raw)
In-Reply-To: <20161023201954.GI9460@valkosipuli.retiisi.org.uk>

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Hi!

> Thanks, this answered half of my questions already. ;-)
> 
> Do all the modes work for you currently btw.?

Aha, went through my notes. This is what it does in 5MP mode, even on
v4.9:

pavel@n900:/my/fcam-dev$ ./camera.py
['-r']
['-l', '"et8ek8 3-003e":0 -> "video-bus-switch":1 [1]']
['-l', '"video-bus-switch":0 -> "OMAP3 ISP CCP2":0 [1]']
['-l', '"OMAP3 ISP CCP2":1 -> "OMAP3 ISP CCDC":0 [1]']
['-l', '"OMAP3 ISP CCDC":1 -> "OMAP3 ISP CCDC output":0 [1]']
['-V', '"et8ek8 3-003e":0 [SGRBG10 2592x1968]']
['-V', '"OMAP3 ISP CCP2":0 [SGRBG10 2592x1968]']
['-V', '"OMAP3 ISP CCP2":1 [SGRBG10 2592x1968]']
['-V', '"OMAP3 ISP CCDC":1 [SGRBG10 2592x1968]']
['-V', '"OMAP3 ISP CCDC":2 [SGRBG10 2592x1968]']
Device /dev/video2 opened.
Device `OMAP3 ISP CCDC output' on `media' is a video capture (without
mplanes) device.
Video format set: SGRBG10 (30314142) 2592x1968 (stride 5184) field
none buffer size 10202112
Video format: SGRBG10 (30314142) 2592x1968 (stride 5184) field none
buffer size 10202112
4 buffers requested.
length: 10202112 offset: 0 timestamp type/source: mono/EoF
Buffer 0/0 mapped at address 0xb63a0000.
length: 10202112 offset: 10203136 timestamp type/source: mono/EoF
Buffer 1/0 mapped at address 0xb59e5000.
length: 10202112 offset: 20406272 timestamp type/source: mono/EoF
Buffer 2/0 mapped at address 0xb502a000.
length: 10202112 offset: 30609408 timestamp type/source: mono/EoF
Buffer 3/0 mapped at address 0xb466f000.
0 (0) [E] any 0 10202112 B 0.000000 2792.366987 0.001 fps ts mono/EoF
Unable to queue buffer: Input/output error (5).
Unable to requeue buffer: Input/output error (5).
Unable to release buffers: Device or resource busy (16).
pavel@n900:/my/fcam-dev$

(gitlab.com fcam-dev branch good)

Kernel will say

[ 2689.598358] stream on success
[ 2702.426635] Streamon
[ 2702.426727] check_format checking px 808534338 808534338, h 984
984, w 1296 1296, bpline 2592 2592, size 2550528 2550528 field 1 1
[ 2702.426818] configuring for 1296(2592)x984
[ 2702.434722] stream on success
[ 2792.276184] Streamon
[ 2792.276306] check_format checking px 808534338 808534338, h 1968
1968, w 2592 2592, bpline 5184 5184, size 10202112 10202112 field 1 1
[ 2792.276367] configuring for 2592(5184)x1968
[ 2792.284240] stream on success
[ 2792.368164] omap3isp 480bc000.isp: CCDC won't become idle!
[ 2793.901550] omap3isp 480bc000.isp: Unable to stop OMAP3 ISP CCDC
pavel@n900:/my/fcam-dev$

in this case.

Best regards,
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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