On 09.11.2012 16:45, Rafa? Mi?ecki wrote:
> 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
Yeah, that's indeed true. And honestly adding just another
implementation of the HDMI info frames sounds like somebody should
finally sit down and implement it in a common drm_hdmi.c
Regards,
Christian.
