2012/11/9 Thierry Reding <thierry.reding at avionic-design.de>:
> +/* all fields little endian */
> +struct hdmi_audio_infoframe {
> + /* PB0 */
> + u8 csum;
> +
> + /* PB1 */
> + unsigned cc:3; /* channel count */
> + unsigned res1:1;
> + unsigned ct:4; /* coding type */
> +
> + /* PB2 */
> + unsigned ss:2; /* sample size */
> + unsigned sf:3; /* sample frequency */
> + unsigned res2:3;
> +
> + /* PB3 */
> + unsigned cxt:5; /* coding extention type */
> + unsigned res3:3;
> +
> + /* PB4 */
> + u8 ca; /* channel/speaker allocation */
> +
> + /* PB5 */
> + unsigned res5:3;
> + unsigned lsv:4; /* level shift value */
> + unsigned dm_inh:1; /* downmix inhibit */
> +
> + /* PB6-10 reserved */
> + u8 res6;
> + u8 res7;
> + u8 res8;
> + u8 res9;
> + u8 res10;
> +} __packed;
I was told it won't work on different endian devices. See
[RFC][PATCH] drm/radeon/hdmi: define struct for AVI infoframe
http://lists.freedesktop.org/archives/dri-devel/2012-May/022544.html
--
Rafał