ALSA: emu10k1: omit non-applicable mixer controls for E-MU cards

The E-MU cards don't try very hard to be Sound Blasters. All sound I/O
goes through the Hana FPGA, thus making the regular extin/out controls
useless. Still showing them just serves to clutter up the interface and
confuse the user.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230514170323.3408834-5-oswald.buddenhagen@gmx.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 116 insertions, 117 deletions

diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 796e24b6f01a..8c171bbaf02c 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -1379,87 +1379,88 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 		snd_emu10k1_init_stereo_control(&controls[nctl++], "EMU Capture Volume", gpr, 0);
 		gpr_map[gpr + 2] = 0x00000000;
 		gpr += 3;
-	}
-	/* 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;
+	} 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;
 
-	/* 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);
-	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_SPDIF_CD_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Audigy CD Playback Volume" : "CD Playback Volume",
-					gpr, 0);
-	gpr += 2;
-	/* Audigy CD Capture Volume */
-	A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_SPDIF_CD_L);
-	A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_SPDIF_CD_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Audigy CD Capture Volume" : "CD Capture Volume",
-					gpr, 0);
-	gpr += 2;
+		/* Audigy CD Playback Volume */
+		A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_SPDIF_CD_L);
+		A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_SPDIF_CD_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Audigy CD Playback Volume" : "CD Playback Volume",
+						gpr, 0);
+		gpr += 2;
+		/* Audigy CD Capture Volume */
+		A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_SPDIF_CD_L);
+		A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_SPDIF_CD_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Audigy CD Capture Volume" : "CD Capture Volume",
+						gpr, 0);
+		gpr += 2;
 
- 	/* Optical SPDIF Playback Volume */
-	A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_OPT_SPDIF_L);
-	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",PLAYBACK,VOLUME), gpr, 0);
-	gpr += 2;
-	/* Optical SPDIF Capture Volume */
-	A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_OPT_SPDIF_L);
-	A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",CAPTURE,VOLUME), gpr, 0);
-	gpr += 2;
+		/* Optical SPDIF Playback Volume */
+		A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_OPT_SPDIF_L);
+		A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",PLAYBACK,VOLUME), gpr, 0);
+		gpr += 2;
+		/* Optical SPDIF Capture Volume */
+		A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_OPT_SPDIF_L);
+		A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_OPT_SPDIF_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++], SNDRV_CTL_NAME_IEC958("Optical ",CAPTURE,VOLUME), gpr, 0);
+		gpr += 2;
 
-	/* Line2 Playback Volume */
-	A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_LINE2_L);
-	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_LINE2_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Line2 Playback Volume" : "Line Playback Volume",
-					gpr, 0);
-	gpr += 2;
-	/* Line2 Capture Volume */
-	A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_LINE2_L);
-	A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_LINE2_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Line2 Capture Volume" : "Line Capture Volume",
-					gpr, 0);
-	gpr += 2;
-        
-	/* Philips ADC Playback Volume */
-	A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_ADC_L);
-	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_ADC_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Playback Volume", gpr, 0);
-	gpr += 2;
-	/* Philips ADC Capture Volume */
-	A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_ADC_L);
-	A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_ADC_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Capture Volume", gpr, 0);
-	gpr += 2;
+		/* Line2 Playback Volume */
+		A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_LINE2_L);
+		A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_LINE2_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Line2 Playback Volume" : "Line Playback Volume",
+						gpr, 0);
+		gpr += 2;
+		/* Line2 Capture Volume */
+		A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_LINE2_L);
+		A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_LINE2_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Line2 Capture Volume" : "Line Capture Volume",
+						gpr, 0);
+		gpr += 2;
 
-	/* Aux2 Playback Volume */
-	A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AUX2_L);
-	A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AUX2_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Aux2 Playback Volume" : "Aux Playback Volume",
-					gpr, 0);
-	gpr += 2;
-	/* Aux2 Capture Volume */
-	A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AUX2_L);
-	A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AUX2_R);
-	snd_emu10k1_init_stereo_control(&controls[nctl++],
-					emu->card_capabilities->ac97_chip ? "Aux2 Capture Volume" : "Aux Capture Volume",
-					gpr, 0);
-	gpr += 2;
+		/* Philips ADC Playback Volume */
+		A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_ADC_L);
+		A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_ADC_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Playback Volume", gpr, 0);
+		gpr += 2;
+		/* Philips ADC Capture Volume */
+		A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_ADC_L);
+		A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_ADC_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++], "Analog Mix Capture Volume", gpr, 0);
+		gpr += 2;
+
+		/* Aux2 Playback Volume */
+		A_ADD_VOLUME_IN(stereo_mix, gpr, A_EXTIN_AUX2_L);
+		A_ADD_VOLUME_IN(stereo_mix+1, gpr+1, A_EXTIN_AUX2_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Aux2 Playback Volume" : "Aux Playback Volume",
+						gpr, 0);
+		gpr += 2;
+		/* Aux2 Capture Volume */
+		A_ADD_VOLUME_IN(capture, gpr, A_EXTIN_AUX2_L);
+		A_ADD_VOLUME_IN(capture+1, gpr+1, A_EXTIN_AUX2_R);
+		snd_emu10k1_init_stereo_control(&controls[nctl++],
+						emu->card_capabilities->ac97_chip ? "Aux2 Capture Volume" : "Aux Capture Volume",
+						gpr, 0);
+		gpr += 2;
+	}
 	
 	/* Stereo Mix Front Playback Volume */
 	A_OP(icode, &ptr, iMAC0, A_GPR(playback), A_GPR(playback), A_GPR(gpr), A_GPR(stereo_mix));
@@ -1580,19 +1581,6 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 	snd_emu10k1_init_mono_control(&controls[nctl++], "Wave Master Playback Volume", gpr, 0);
 	gpr++;
 
-	/* analog speakers */
-	A_PUT_STEREO_OUTPUT(A_EXTOUT_AFRONT_L, A_EXTOUT_AFRONT_R, playback);
-	A_PUT_STEREO_OUTPUT(A_EXTOUT_AREAR_L, A_EXTOUT_AREAR_R, playback+2);
-	A_PUT_OUTPUT(A_EXTOUT_ACENTER, playback+4);
-	A_PUT_OUTPUT(A_EXTOUT_ALFE, playback+5);
-	if (emu->card_capabilities->spk71)
-		A_PUT_STEREO_OUTPUT(A_EXTOUT_ASIDE_L, A_EXTOUT_ASIDE_R, playback+6);
-
-	/* headphone */
-	A_PUT_STEREO_OUTPUT(A_EXTOUT_HEADPHONE_L, A_EXTOUT_HEADPHONE_R, playback);
-
-	/* digital outputs */
-	/* A_PUT_STEREO_OUTPUT(A_EXTOUT_FRONT_L, A_EXTOUT_FRONT_R, playback + SND_EMU10K1_PLAYBACK_CHANNELS); */
 	if (emu->card_capabilities->emu_model) {
 		/* EMU1010 Outputs from PCM Front, Rear, Center, LFE, Side */
 		dev_info(emu->card->dev, "EMU outputs on\n");
@@ -1603,37 +1591,48 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input))
 				A_OP(icode, &ptr, iACC3, A_EMU32OUTL(z), A_GPR(playback + z), A_C_00000000, A_C_00000000);
 			}
 		}
-	}
+	} else {
+		/* analog speakers */
+		A_PUT_STEREO_OUTPUT(A_EXTOUT_AFRONT_L, A_EXTOUT_AFRONT_R, playback);
+		A_PUT_STEREO_OUTPUT(A_EXTOUT_AREAR_L, A_EXTOUT_AREAR_R, playback+2);
+		A_PUT_OUTPUT(A_EXTOUT_ACENTER, playback+4);
+		A_PUT_OUTPUT(A_EXTOUT_ALFE, playback+5);
+		if (emu->card_capabilities->spk71)
+			A_PUT_STEREO_OUTPUT(A_EXTOUT_ASIDE_L, A_EXTOUT_ASIDE_R, playback+6);
 
-	/* IEC958 Optical Raw Playback Switch */ 
-	gpr_map[gpr++] = 0;
-	gpr_map[gpr++] = 0x1008;
-	gpr_map[gpr++] = 0xffff0000;
-	for (z = 0; z < 2; z++) {
-		A_OP(icode, &ptr, iMAC0, A_GPR(tmp + 2), A_FXBUS(FXBUS_PT_LEFT + z), A_C_00000000, A_C_00000000);
-		A_OP(icode, &ptr, iSKIP, A_GPR_COND, A_GPR_COND, A_GPR(gpr - 2), A_C_00000001);
-		A_OP(icode, &ptr, iACC3, A_GPR(tmp + 2), A_C_00000000, A_C_00010000, A_GPR(tmp + 2));
-		A_OP(icode, &ptr, iANDXOR, A_GPR(tmp + 2), A_GPR(tmp + 2), A_GPR(gpr - 1), A_C_00000000);
-		A_SWITCH(icode, &ptr, tmp + 0, tmp + 2, gpr + z);
-		A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + z);
-		A_SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1);
-		if ((z==1) && (emu->card_capabilities->spdif_bug)) {
-			/* Due to a SPDIF output bug on some Audigy cards, this code delays the Right channel by 1 sample */
-			dev_info(emu->card->dev,
-				 "Installing spdif_bug patch: %s\n",
-				 emu->card_capabilities->name);
-			A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(gpr - 3), A_C_00000000, A_C_00000000);
-			A_OP(icode, &ptr, iACC3, A_GPR(gpr - 3), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
-		} else {
-			A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
+		/* headphone */
+		A_PUT_STEREO_OUTPUT(A_EXTOUT_HEADPHONE_L, A_EXTOUT_HEADPHONE_R, playback);
+
+		/* IEC958 Optical Raw Playback Switch */
+		gpr_map[gpr++] = 0;
+		gpr_map[gpr++] = 0x1008;
+		gpr_map[gpr++] = 0xffff0000;
+		for (z = 0; z < 2; z++) {
+			A_OP(icode, &ptr, iMAC0, A_GPR(tmp + 2), A_FXBUS(FXBUS_PT_LEFT + z), A_C_00000000, A_C_00000000);
+			A_OP(icode, &ptr, iSKIP, A_GPR_COND, A_GPR_COND, A_GPR(gpr - 2), A_C_00000001);
+			A_OP(icode, &ptr, iACC3, A_GPR(tmp + 2), A_C_00000000, A_C_00010000, A_GPR(tmp + 2));
+			A_OP(icode, &ptr, iANDXOR, A_GPR(tmp + 2), A_GPR(tmp + 2), A_GPR(gpr - 1), A_C_00000000);
+			A_SWITCH(icode, &ptr, tmp + 0, tmp + 2, gpr + z);
+			A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + z);
+			A_SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1);
+			if ((z==1) && (emu->card_capabilities->spdif_bug)) {
+				/* Due to a SPDIF output bug on some Audigy cards, this code delays the Right channel by 1 sample */
+				dev_info(emu->card->dev,
+					 "Installing spdif_bug patch: %s\n",
+					 emu->card_capabilities->name);
+				A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(gpr - 3), A_C_00000000, A_C_00000000);
+				A_OP(icode, &ptr, iACC3, A_GPR(gpr - 3), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
+			} else {
+				A_OP(icode, &ptr, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000);
+			}
 		}
+		snd_emu10k1_init_stereo_onoff_control(controls + nctl++, SNDRV_CTL_NAME_IEC958("Optical Raw ",PLAYBACK,SWITCH), gpr, 0);
+		gpr += 2;
+
+		A_PUT_STEREO_OUTPUT(A_EXTOUT_REAR_L, A_EXTOUT_REAR_R, playback+2);
+		A_PUT_OUTPUT(A_EXTOUT_CENTER, playback+4);
+		A_PUT_OUTPUT(A_EXTOUT_LFE, playback+5);
 	}
-	snd_emu10k1_init_stereo_onoff_control(controls + nctl++, SNDRV_CTL_NAME_IEC958("Optical Raw ",PLAYBACK,SWITCH), gpr, 0);
-	gpr += 2;
-	
-	A_PUT_STEREO_OUTPUT(A_EXTOUT_REAR_L, A_EXTOUT_REAR_R, playback+2);
-	A_PUT_OUTPUT(A_EXTOUT_CENTER, playback+4);
-	A_PUT_OUTPUT(A_EXTOUT_LFE, playback+5);
 
 	/* ADC buffer */
 #ifdef EMU10K1_CAPTURE_DIGITAL_OUT