---------- Forwarded message ---------- From: Rich Rattanni <[EMAIL PROTECTED]> Date: Mar 19, 2007 7:14 AM Subject: Re: [directfb-users] Using Fusion Sound and standby mode To: Denis Oliver Kropp <[EMAIL PROTECTED]>
On 3/17/07, Denis Oliver Kropp <[EMAIL PROTECTED]> wrote: > Rich Rattanni schrieb: > > I am developing an application that will be running on an embedded ARM > > board. To save power, the board will be put to sleep using linux > > power management. More specificially the board shall be placed in > > standby mode. > > > > I am using fusion sound to play audio. If I place the board in > > standby mode and bring the board back from standby, any further > > playing of audio cause the application to begin to consume the CPU. > > Utilization jumps to almost 100%. Are there any known issues with > > FusionSound not working when a system is placed in and brought out of > > standby mode? > > After reading the code, I think the problem is that the loop relies > on blocked writes to the sound device. For some reason the driver > seems to return immediately. > > Maybe close()/open() on the device could help, but FusionSound would > have to know about suspend/resume. > > I think it should be fixed in the driver. > > -- > Best regards, > Denis Oliver Kropp > > .------------------------------------------. > | DirectFB - Hardware accelerated graphics | > | http://www.directfb.org/ | > "------------------------------------------" > Denis: Are you referring to the alsa sound driver? _______________________________________________ directfb-users mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-users
