On Tue, Nov 08, 2016 at 01:00:57AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > Current dw-hdmi is supporting sound via AHB bus, but it has > I2S audio feature too. This patch adds I2S audio support to dw-hdmi. > This HDMI I2S is supported by using ALSA SoC common HDMI encoder > driver. > > Tested-by: Jose Abreu <joabreu@xxxxxxxxxxxx> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > --- > v3 -> v4 > > - use IS_ERR() instead of IS_ERR_OR_NULL() on probe() Thanks, that looks good now. > @@ -11,4 +11,11 @@ struct dw_hdmi_audio_data { > u8 *eld; > }; > > +struct dw_hdmi_i2s_audio_data { > + struct dw_hdmi *hdmi; > + > + void (*write)(struct dw_hdmi *hdmi, u8 val, int offset); > + u8 (*read)(struct dw_hdmi *hdmi, int offset); > +}; Another slight concern here is why we need this separate data for i2s - maybe adding the write/read ops to struct dw_hdmi_audio_data would be a better thing to do, which would then allow the AHB audio to drop the .base argument in the future. I'm not that bothered about this though. So... Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx> Thanks. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.