snd_es18xx_mixer_writable 1596 sound/isa/es18xx.c if (snd_es18xx_mixer_writable(chip, 0x64, 0x04)) { snd_es18xx_mixer_writable 1598 sound/isa/es18xx.c if (snd_es18xx_mixer_writable(chip, 0x70, 0x7f)) { snd_es18xx_mixer_writable 1600 sound/isa/es18xx.c if (snd_es18xx_mixer_writable(chip, 0x64, 0x20)) {