Extern or forward variable declaration at include/sound/compress_driver.h, line 20 References: include/sound/compress_driver.h, line 20 include/sound/compress_driver.h, line 40 include/sound/compress_driver.h, line 66 include/sound/compress_driver.h, line 99 include/sound/compress_driver.h, line 138 include/sound/soc.h, line 799 sound/soc/codecs/cs47l24.c, line 1181 sound/soc/codecs/wm5102.c, line 1995 sound/soc/codecs/wm5110.c, line 2358 sound/soc/intel/atom/sst-mfld-platform-compress.c, line 254 sound/soc/intel/atom/sst-mfld-platform.h, line 20 sound/soc/qcom/qdsp6/q6asm-dai.c, line 791 sound/soc/soc-compress.c, line 819 sound/soc/soc-compress.c, line 834 sound/soc/sof/sof-priv.h, line 560 sound/soc/sprd/sprd-pcm-compress.c, line 661 sound/soc/uniphier/aio-compress.c, line 415 sound/soc/uniphier/aio.h, line 306