On Fri, May 03, 2024 at 02:58:16PM +0800, Hsin-Te Yuan wrote: > On Thu, May 2, 2024 at 10:47 PM Conor Dooley <conor@xxxxxxxxxx> wrote: > > > > On Thu, May 02, 2024 at 09:03:31AM +0000, Hsin-Te Yuan wrote: > > > Add a perporty to indicate whether anx7625 should shift the first audio > > > data bit. The default TDM setting is to shift the first audio data bit. > > > > > > Signed-off-by: Hsin-Te Yuan <yuanhsinte@xxxxxxxxxxxx> > > > --- > > > .../devicetree/bindings/display/bridge/analogix,anx7625.yaml | 4 ++++ > > > 1 file changed, 4 insertions(+) > > > > > > diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml > > > index a1ed1004651b9..915d5d54a2160 100644 > > > --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml > > > +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml > > > @@ -82,6 +82,10 @@ properties: > > > type: boolean > > > description: let the driver enable audio HDMI codec function or not. > > > > > > + no-shift-audio-data: > > > + type: boolean > > > + description: Disable the first audio data bit shift in the TDM settings. > > > > This just looks like software policy, since there's no mention in the > > commit message or description as to what property of the hardware causes > > this to be required. Can you please explain why this property is needed? > > > > You're also missing a vendor prefix. > > Sorry, I found this feature in the datasheet originally, but after > deeper investigation, it seems that this feature should be used to > support i2s dsp mode b instead of being used this way. Note that the > difference between i2s dsp mode a and b is whether or not to shift the > audio data by 1 clock cycle. Are you trying to say that this patch is not needed? I'm not really sure.
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