1. 26 Jun, 2023 1 commit
    • Matthias Reichl's avatar
      ASoC: hdmi-codec: fix channel info for compressed formats · 7b516208
      Matthias Reichl authored
      According to CTA 861 the channel/speaker allocation info in the
      audio infoframe only applies to uncompressed (PCM) audio streams.
      
      The channel count info should indicate the number of channels
      in the transmitted audio, which usually won't match the number of
      channels used to transmit the compressed bitstream.
      
      Some devices (eg some Sony TVs) will refuse to decode compressed
      audio if these values are not set correctly.
      
      To fix this we can simply set the channel count to 0 (which means
      "refer to stream header") and set the channel/speaker allocation to 0
      as well (which would mean stereo FL/FR for PCM, a safe value all sinks
      will support) when transmitting compressed audio.
      Signed-off-by: default avatarMatthias Reichl <hias@horus.com>
      Link: https://lore.kernel.org/r/20230624165232.5751-1-hias@horus.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
      7b516208
  2. 23 Jun, 2023 3 commits
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