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ALSA: emu10k1: skip mic capture PCM for cards without AC97 codec

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The microphone capture device is a feature of the AC97 codec, so its
availability should be coupled to the presence of that codec.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230514170323.3408834-6-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Oswald Buddenhagen 2023-05-14 19:03:21 +02:00 committed by Takashi Iwai
parent 6175ccd1a9
commit de0dc31070
2 changed files with 19 additions and 15 deletions
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8
sound/pci/emu10k1/emu10k1.c
View File

@ -107,9 +107,11 @@ static int snd_card_emu10k1_probe(struct pci_dev *pci,
err = snd_emu10k1_pcm(emu, 0);
if (err < 0)
return err;
err = snd_emu10k1_pcm_mic(emu, 1);
if (err < 0)
return err;
if (emu->card_capabilities->ac97_chip) {
err = snd_emu10k1_pcm_mic(emu, 1);
if (err < 0)
return err;
}
err = snd_emu10k1_pcm_efx(emu, 2);
if (err < 0)
return err;

26
sound/pci/emu10k1/emufx.c
View File

@ -1380,19 +1380,21 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
gpr_map[gpr + 2] = 0x00000000;
gpr += 3;
} else {
/* AC'97 Playback Volume - used only for mic (renamed later) */
A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AC97_L);
A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AC97_R);
snd_emu10k1_init_stereo_control(&controls[nctl++], "AMic Playback Volume", gpr, 0);
gpr += 2;
/* AC'97 Capture Volume - used only for mic */
A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AC97_L);
A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AC97_R);
snd_emu10k1_init_stereo_control(&controls[nctl++], "Mic Capture Volume", gpr, 0);
gpr += 2;
if (emu->card_capabilities->ac97_chip) {
/* AC'97 Playback Volume - used only for mic (renamed later) */
A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AC97_L);
A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AC97_R);
snd_emu10k1_init_stereo_control(&controls[nctl++], "AMic Playback Volume", gpr, 0);
gpr += 2;
/* AC'97 Capture Volume - used only for mic */
A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AC97_L);
A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AC97_R);
snd_emu10k1_init_stereo_control(&controls[nctl++], "Mic Capture Volume", gpr, 0);
gpr += 2;
/* mic capture buffer */
A_OP(icode, &ptr, iINTERP, A_EXTOUT(A_EXTOUT_MIC_CAP), A_EXTIN(A_EXTIN_AC97_L), A_C_40000000, A_EXTIN(A_EXTIN_AC97_R));
/* mic capture buffer */
A_OP(icode, &ptr, iINTERP, A_EXTOUT(A_EXTOUT_MIC_CAP), A_EXTIN(A_EXTIN_AC97_L), A_C_40000000, A_EXTIN(A_EXTIN_AC97_R));
}
/* Audigy CD Playback Volume */
A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_SPDIF_CD_L);