On Thu, 10 Dec 2020 18:44:45 +0100, Kai Vehmanen wrote: > > A problem exists in enabling silent stream when connection type is > DisplayPort. Silent stream programming is completed when a new DP > receiver is connected, but infoframe transmission does not actually > start until PCM is opened for the first time. This can result in audible > gap of multiple seconds. This only affects the first PCM open. > > Fix the issue by properly assigning a converter to the silent stream, > and modifying the required stream ID programming sequence. > > This change only affects Intel display audio codecs. > > BugLink: https://github.com/thesofproject/linux/issues/2468 > Fixes: 951894cf30f4 ("ALSA: hda/hdmi: Add Intel silent stream support") > Signed-off-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx> > --- > sound/pci/hda/patch_hdmi.c | 98 +++++++++++++++++++++++++++++++++----- > 1 file changed, 86 insertions(+), 12 deletions(-) > > v2 changes: > - locking missing in silent_stream_disable() Applied now. Thanks. Takashi
