forked from Minki/linux
7c01878254
SADs may span multiple CEA audio data blocks in the EDID. CEA-861-E says: "The order of the Data Blocks is not constrained. It is also possible to have more than one of a specific type of data block if necessary to include all of the descriptors needed to describe the sink’s capabilities." Each audio data block can carry up to 10 SADs, whereas the ELD SAD limit is 15 according to HDA 1.0a spec. So we should support at least two data blocks. And apparently some devices take a more liberal interpretation and stuff only one SAD per data block even when they would fit into one. So let's try to extract all the SADs we can fit into the ELD even when they span multiple data blocks. While at it, toss in a comment to explain the 13 byte monitor name string limit which confused me at first. Cc: Arturo Pérez <artur999555@gmail.com> Tested-by: Arturo Pérez <artur999555@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94197 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1457554066-8739-1-git-send-email-ville.syrjala@linux.intel.com |
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