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Groups > linux.kernel > #1498167 > unrolled thread
| Started by | Pali Rohár <pali.rohar@gmail.com> |
|---|---|
| First post | 2016-10-10 10:50 +0200 |
| Last post | 2016-10-10 11:30 +0200 |
| Articles | 2 — 2 participants |
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Re: camera on n900, v4.8 Pali Rohár <pali.rohar@gmail.com> - 2016-10-10 10:50 +0200
Re: camera on n900, v4.8 Pavel Machek <pavel@ucw.cz> - 2016-10-10 11:30 +0200
| From | Pali Rohár <pali.rohar@gmail.com> |
|---|---|
| Date | 2016-10-10 10:50 +0200 |
| Subject | Re: camera on n900, v4.8 |
| Message-ID | <sqErv-7rt-3@gated-at.bofh.it> |
On Wednesday 05 October 2016 21:03:41 Pavel Machek wrote: > Hi! > > Camera has some non-trivial dependencies on N900; it seems to rely on > gpio-switch.c, for example. I'll try to strip the diff further, but in > the meantime, here's the version I'm working with. > > Pavel > > With "Camera" do you mean some Maemo userspace application? Because I think that nobody else could depends on gpio-switch kernel driver. Anyway, it should be easy to rewrite such gpio-switch application to use either input kernel events (from /dev/input/something) or directly check gpio state via /sys/class/gpio/. IIRC Maemo's Camera needed gpio-switch for testing if back camera cover is open or closed and for checking when camera push button pressed and released. -- Pali Rohár pali.rohar@gmail.com
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| From | Pavel Machek <pavel@ucw.cz> |
|---|---|
| Date | 2016-10-10 11:30 +0200 |
| Message-ID | <sqF4e-7T9-7@gated-at.bofh.it> |
| In reply to | #1498167 |
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On Mon 2016-10-10 10:48:59, Pali Rohár wrote: > On Wednesday 05 October 2016 21:03:41 Pavel Machek wrote: > > Hi! > > > > Camera has some non-trivial dependencies on N900; it seems to rely on > > gpio-switch.c, for example. I'll try to strip the diff further, but in > > the meantime, here's the version I'm working with. > > > > With "Camera" do you mean some Maemo userspace application? Because I > think that nobody else could depends on gpio-switch kernel driver. With camera, I mean kernel drivers for /dev/video*. I don't know why they depend on gpio-switch.c, but they do. I'm using fcam-dev for userspace control of camera. I'd prefer not to touch anything w/o sources. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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