Extern or forward variable declaration at include/sound/soc.h, line 1410 References: include/sound/soc.h, line 1410 sound/soc/amd/acp-da7219-max98357a.c, line 463 sound/soc/amd/acp-rt5645.c, line 195 sound/soc/amd/acp3x-rt5682-max9836.c, line 367 sound/soc/amd/renoir/acp3x-rn.c, line 68 sound/soc/atmel/atmel-classd.c, line 666 sound/soc/atmel/atmel-pdmic.c, line 733 sound/soc/atmel/atmel_wm8904.c, line 190 sound/soc/au1x/db1200.c, line 198 sound/soc/fsl/fsl-asoc-card.c, line 735 sound/soc/fsl/imx-audmix.c, line 348 sound/soc/fsl/imx-sgtl5000.c, line 215 sound/soc/fsl/imx-spdif.c, line 91 sound/soc/generic/audio-graph-card.c, line 702 sound/soc/generic/simple-card.c, line 739 sound/soc/intel/boards/bdw-rt5650.c, line 346 sound/soc/intel/boards/bxt_da7219_max98357a.c, line 748 sound/soc/intel/boards/bxt_rt298.c, line 655 sound/soc/intel/boards/byt-max98090.c, line 174 sound/soc/intel/boards/byt-rt5640.c, line 216 sound/soc/intel/boards/bytcht_cx2072x.c, line 265 sound/soc/intel/boards/bytcht_da7213.c, line 276 sound/soc/intel/boards/bytcht_es8316.c, line 611 sound/soc/intel/boards/bytcr_rt5640.c, line 1335 sound/soc/intel/boards/bytcr_rt5651.c, line 1101 sound/soc/intel/boards/cht_bsw_max98090_ti.c, line 620 sound/soc/intel/boards/cht_bsw_nau8824.c, line 286 sound/soc/intel/boards/cht_bsw_rt5645.c, line 684 sound/soc/intel/boards/cht_bsw_rt5672.c, line 462 sound/soc/intel/boards/cml_rt1011_rt5682.c, line 612 sound/soc/intel/boards/ehl_rt5660.c, line 312 sound/soc/intel/boards/glk_rt5682_max98357a.c, line 633 sound/soc/intel/boards/kbl_da7219_max98357a.c, line 608 sound/soc/intel/boards/kbl_da7219_max98927.c, line 1159 sound/soc/intel/boards/kbl_rt5660.c, line 543 sound/soc/intel/boards/kbl_rt5663_max98927.c, line 1018 sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c, line 820 sound/soc/intel/boards/skl_hda_dsp_generic.c, line 245 sound/soc/intel/boards/skl_nau88l25_max98357a.c, line 681 sound/soc/intel/boards/skl_nau88l25_ssm4567.c, line 725 sound/soc/intel/boards/skl_rt286.c, line 556 sound/soc/intel/boards/sof_da7219_max98373.c, line 448 sound/soc/intel/boards/sof_pcm512x.c, line 431 sound/soc/intel/boards/sof_rt5682.c, line 842 sound/soc/intel/boards/sof_sdw.c, line 963 sound/soc/intel/boards/sof_wm8804.c, line 288 sound/soc/mediatek/mt8173/mt8173-max98090.c, line 197 sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c, line 235 sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c, line 302 sound/soc/mediatek/mt8173/mt8173-rt5650.c, line 341 sound/soc/pxa/brownstone.c, line 123 sound/soc/pxa/corgi.c, line 306 sound/soc/pxa/e740_wm9705.c, line 155 sound/soc/pxa/e750_wm9705.c, line 138 sound/soc/pxa/e800_wm9712.c, line 138 sound/soc/pxa/hx4700.c, line 203 sound/soc/pxa/imote2.c, line 89 sound/soc/pxa/mioa701_wm9713.c, line 191 sound/soc/pxa/palm27x.c, line 151 sound/soc/pxa/poodle.c, line 277 sound/soc/pxa/spitz.c, line 329 sound/soc/pxa/tosa.c, line 250 sound/soc/pxa/ttc-dkb.c, line 130 sound/soc/rockchip/rk3288_hdmi_analog.c, line 274 sound/soc/rockchip/rk3399_gru_sound.c, line 579 sound/soc/rockchip/rockchip_max98090.c, line 462 sound/soc/rockchip/rockchip_rt5645.c, line 231 sound/soc/samsung/arndale.c, line 208 sound/soc/samsung/bells.c, line 483 sound/soc/samsung/littlemill.c, line 338 sound/soc/samsung/lowland.c, line 196 sound/soc/samsung/odroid.c, line 360 sound/soc/samsung/smdk_wm8994.c, line 191 sound/soc/samsung/snow.c, line 253 sound/soc/samsung/speyside.c, line 343 sound/soc/samsung/tobermory.c, line 242 sound/soc/sirf/sirf-audio.c, line 151 sound/soc/soc-core.c, line 2015 sound/soc/soc-core.c, line 2023 sound/soc/soc-core.c, line 2029 sound/soc/sof/nocodec.c, line 102 sound/soc/tegra/tegra_alc5632.c, line 247 sound/soc/tegra/tegra_max98090.c, line 276 sound/soc/tegra/tegra_rt5640.c, line 222 sound/soc/tegra/tegra_rt5677.c, line 312 sound/soc/tegra/tegra_sgtl5000.c, line 199 sound/soc/tegra/tegra_wm8753.c, line 185 sound/soc/tegra/tegra_wm8903.c, line 372 sound/soc/tegra/tegra_wm9712.c, line 154 sound/soc/ti/davinci-evm.c, line 464 sound/soc/ti/omap-abe-twl6040.c, line 322 sound/soc/ti/omap-twl4030.c, line 332