It controls the whole surround set, so stereo can't work. As a consequence, only the left channel was paid attention to. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx> --- sound/pci/emu10k1/emufx.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 98785110ef63..6442028fe48a 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -1543,13 +1543,13 @@ A_OP(icode, &ptr, iMAC0, A_GPR(var), A_GPR(var), A_GPR(vol), A_EXTIN(input)) #undef TREBLE_GPR for (z = 0; z < 8; z++) { - A_SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr + 0); - A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 0); + A_SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr); + A_SWITCH_NEG(icode, &ptr, tmp + 1, gpr); A_SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1); A_OP(icode, &ptr, iACC3, A_GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), A_GPR(tmp + 0), A_GPR(tmp + 1), A_C_00000000); } - snd_emu10k1_init_stereo_onoff_control(controls + nctl++, "Tone Control - Switch", gpr, 0); - gpr += 2; + snd_emu10k1_init_mono_onoff_control(controls + nctl++, "Tone Control - Switch", gpr, 0); + gpr++; /* Master volume (will be renamed later) */ A_OP(icode, &ptr, iMAC0, A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS), A_C_00000000, A_GPR(gpr), A_GPR(playback+0+SND_EMU10K1_PLAYBACK_CHANNELS)); @@ -2263,13 +2263,13 @@ static int _snd_emu10k1_init_efx(struct snd_emu10k1 *emu) #undef TREBLE_GPR for (z = 0; z < 6; z++) { - SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr + 0); - SWITCH_NEG(icode, &ptr, tmp + 1, gpr + 0); + SWITCH(icode, &ptr, tmp + 0, playback + SND_EMU10K1_PLAYBACK_CHANNELS + z, gpr); + SWITCH_NEG(icode, &ptr, tmp + 1, gpr); SWITCH(icode, &ptr, tmp + 1, playback + z, tmp + 1); OP(icode, &ptr, iACC3, GPR(playback + SND_EMU10K1_PLAYBACK_CHANNELS + z), GPR(tmp + 0), GPR(tmp + 1), C_00000000); } - snd_emu10k1_init_stereo_onoff_control(controls + i++, "Tone Control - Switch", gpr, 0); - gpr += 2; + snd_emu10k1_init_mono_onoff_control(controls + i++, "Tone Control - Switch", gpr, 0); + gpr++; /* * Process outputs -- 2.40.0.152.g15d061e6df