The clock output from rockchip SoCs' CRU to chip outside is from the same source as hclk which is for i2s controller. We make it optional because some audio codec outside not need the master clock from SoC but from other clock source. Jianqun Xu (2): ASoC: rockchip-i2s: dt: add an optional property "i2s_clk_out" ASoC: rockchip: i2s: add support for grabbing output clock to codec Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 8 ++++++-- sound/soc/rockchip/rockchip_i2s.c | 11 +++++++++++ 2 files changed, 17 insertions(+), 2 deletions(-) -- 1.9.1
