Re: [Interest] Brightness QT API on embedded linux

2014-02-13 Thread Alejandro Exojo
2014-02-13 11:49 GMT+01:00 Mandeep Sandhu : > Your screen driver for the embedded h/w should have something for it. Maybe > a sysfs interface or ioctl. Correct. For example, on a iMX23 we read/write to /sys/class/backlight/mxs-bl/brightness. Open a shell and give a look at the files at /sys, or ch

Re: [Interest] Brightness QT API on embedded linux

2014-02-13 Thread Mandeep Sandhu
Your screen driver for the embedded h/w should have something for it. Maybe a sysfs interface or ioctl. HTH, -mandeep On Thu, Feb 13, 2014 at 3:55 PM, Bo Thorsen wrote: > Den 13-02-2014 06:53, Ramakanthreddy Kesireddy skrev: > > Hi, > > > > Am current using Qt4.8.5 sdk on embedded linux using

Re: [Interest] Brightness QT API on embedded linux

2014-02-13 Thread Bo Thorsen
Den 13-02-2014 06:53, Ramakanthreddy Kesireddy skrev: > Hi, > > Am current using Qt4.8.5 sdk on embedded linux using linux framebuffer > plugin as backend. > > Is there any QT API to change the brightness of underlying system? No, unfortunately not. You have to go to Linux specific help pages for

[Interest] Brightness QT API on embedded linux

2014-02-13 Thread Ramakanthreddy Kesireddy
Hi, Am current using Qt4.8.5 sdk on embedded linux using linux framebuffer plugin as backend. Is there any QT API to change the brightness of underlying system? I used system call Xrandr to change the brightness on Desktop linux but is there any equivalent system call for embedded linux incase