At Tue, 14 Oct 2014 08:58:36 -0600, Shuah Khan wrote: > > Add media token device resource framework to allow sharing > resources such as tuner, dma, audio etc. across media drivers > and non-media sound drivers that control media hardware. The > Media token resource is created at the main struct device that > is common to all drivers that claim various pieces of the main > media device, which allows them to find the resource using the > main struct device. As an example, digital, analog, and > snd-usb-audio drivers can use the media token resource API > using the main struct device for the interface the media device > is attached to. > > This patch series consists of media token resource framework > and changes to use it in dvb-core, v4l2-core, au0828 driver, > and snd-usb-audio driver. > > With these changes dvb and v4l2 can share the tuner without > disrupting each other. Used tvtime, xawtv, kaffeine, and vlc, > vlc audio capture option, arecord/aplay during development to > identify v4l2 vb2 and vb1 ioctls and file operations that > disrupt the digital stream and would require changes to check > tuner ownership prior to changing the tuner configuration. > vb2 changes are made in the v4l2-core and vb1 changes are made > in the au0828 driver to encourage porting drivers to vb2 to > advantage of the new media token resource framework with changes > in the core. > > In this patch v2 series, fixed problems identified in the > patch v1 series. Important ones are changing snd-usb-audio > to use media tokens, holding tuner lock in VIDIOC_ENUMINPUT, > and VIDIOC_QUERYSTD. Just took a quick glance over the patches, and my first concern is why this has to be lib/*. This means it's always built-in as long as this config is enabled (and will be so on distro kernel) even if it's not used at all. thanks, Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
