audio4 109 drivers/clk/tegra/clk-tegra-audio.c AUDIO(audio4, AUDIO_SYNC_CLK_I2S4), audio4 124 drivers/clk/tegra/clk-tegra-audio.c AUDIO2X(audio4, 117, 28), audio4 275 drivers/clk/tegra/clk-tegra-periph.c MUX_I2S_SPDIF(audio4)