snd_emu10k1_efx_attn_control 1615 sound/pci/emu10k1/emumixer.c static const struct snd_kcontrol_new snd_emu10k1_efx_attn_control = snd_emu10k1_efx_attn_control 2022 sound/pci/emu10k1/emumixer.c if ((kctl = emu->ctl_efx_attn = snd_ctl_new1(&snd_emu10k1_efx_attn_control, emu)) == NULL)