drm/bridge: sii902x: add audio graph card support
Implement get_dai_id callback of audio HDMI codec to support ASoC audio graph card. HDMI audio output has to be connected to sii902x port 3. get_dai_id callback maps this port to ASoC DAI index 0. Signed-off-by: Olivier Moysan <olivier.moysan@st.com> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Acked-by: Andrzej Hajda <a.hajda@samsung.com> Reviewed-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1562141052-26221-1-git-send-email-olivier.moysan@st.com
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