Hi Inki, On 03/12/2018 01:48 AM, Inki Dae wrote: > Thanks for explanation. By the way, who binds '#sound-dai-cells' property?. > This patch adds this property to hdmi device node which will be bound by > HDMI driver fo Exynos DRM but I don't see any place to bind '#sound-dai-cells' > property in this driver. > So I think some driver like Odroid XU3/4 audio driver(sound/soc/samsung/odroid.c) > or ASoC simple audio card driver(sound/soc/generic/simple-card.c) should exist > and this property should be placed to such device node. The *-cells property is supposed to be in a node that a phandle points to, and in this case the phandle entry in 'sound-dai' points to the hdmi node. >From the DT bindings perspective it not that important how Linux parses the bindings, it's more a matter of describing the HW configuration. There is even a related check in dtc: $ grep -n sound scripts/dtc/checks.c 1208:WARNING_PROPERTY_PHANDLE_CELLS(sound_dai, "sound-dai", "#sound-dai-cells"); -- Regards, Sylwester -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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