Hi Russell I'm working on Designware hdmi-audio, also add it as a standard ALSA device. Before I saw this email, I also planed to submit my patchs to upsteam. I'm very grateful if you can email those patchs to us. Best Regards. ? 2014?11?04? 22:29, Russell King - ARM Linux ??: > On Tue, Nov 04, 2014 at 09:33:10PM +0800, Andy Yan wrote: >> From: Andy yan <andy.yan at rock-chips.com> >> >> We found freescale imx6 and rockchip rk3288 and Ingenic JZ4780 (Xburst/MIPS) >> use the interface compatible Designware HDMI IP, but they also have some >> lightly difference, such as phy pll configuration, register width(imx hdmi >> register is one byte, but rk3288 is 4 bytes width and can only access by word), >> 4K support(imx6 doesn't support 4k, but rk3288 does). >> >> To reuse the imx-hdmi driver, we do this patch set: >> patch (1): split out imx-soc code from imx-hdmi to dw_hdmi-imx.c >> patch (2): move imx-hdmi to bridge/, and rename to dw-hdmi to >> make this driver indepent of drm-imx . And we will add rockchip >> platform specific code dw_hdmi-rockchip.c later, this is depend >> on drm-rockchip. > Great - I fully agree that this needs to be renamed as it is a Designware > IP. > > Should it be moved into bridge/ ? It isn't implemented as a DRM bridge > driver at present, so this seems illogical. Is the longer term plan to > convert it to be a DRM bridge? > > Secondly, if you want HDMI audio support, you may find the patches I > maintain for the SolidRun devices useful, which add this as a standard > ALSA device. I also have CEC support for it as well. If you're > interested, I'll email those. >
