On Mon, 27 Feb 2017 12:28:02 -0800 Eric Anholt <eric@xxxxxxxxxx> wrote: > The HDMI encoder IP embeds all needed blocks to output audio, with a > custom DAI called MAI moving audio between the two parts of the HDMI > core. This driver now exposes a sound card to let users stream audio > to their display. > > Using the hdmi-codec driver has been considered here, but MAI meant > having to significantly rework hdmi-codec, and it would have left > little shared code with the I2S mode anyway. > > The encoder requires that the audio be SPDIF-formatted frames only, > which alsalib will format-convert for us. > > This patch is the combined work of Eric Anholt (initial register setup > with a separate dmaengine driver and using simple-audio-card) and > Boris Brezillon (moving it all into HDMI, massive debug to get it > actually working), and which Eric has the permission to release. > > v2: Drop "-audio" from sound card name, since that's already implied > (suggestion by Boris) > > Signed-off-by: Eric Anholt <eric@xxxxxxxxxx> Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
