audio/hda: stereo mixing
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7b6675ff1a
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59f388e947
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@ -202,8 +202,14 @@ enum {
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Asetleft = 1<<13,
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Asetleft = 1<<13,
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Asetright = 1<<12,
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Asetright = 1<<12,
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Asetmute = 1<<7,
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Asetmute = 1<<7,
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Aidx = 8,
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Asetidx = 8,
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Agetin = 0<<15,
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Agetout = 1<<15,
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Agetleft = 1<<13,
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Agetright = 1<<15,
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Agetidx = 0,
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Again = 0,
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Again = 0,
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Againmask = 0x7f,
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Getconvfmt = 0xa,
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Getconvfmt = 0xa,
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Setconvfmt = 0x2,
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Setconvfmt = 0x2,
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};
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};
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@ -473,78 +479,74 @@ newnid(Id id, uint nid)
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return id;
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return id;
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}
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}
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/* vol is 0...127 or ~0 for 0dB; mute is 0/1 */
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static uint
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static void
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getoutamprange(Widget *w)
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setoutamp(Widget *w, int mute, uint vol)
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{
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{
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uint q, r;
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uint r;
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uint zerodb, range;
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if((w->cap & Woutampcap) == 0)
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return;
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r = cmd(w->id, Getparm, Outampcap);
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r = cmd(w->id, Getparm, Outampcap);
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range = (r >> 8) & 0x7f;
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return (r >> 8) & 0x7f;
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zerodb = r & 127;
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q = Asetout | Asetleft | Asetright;
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if(mute)
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q |= Asetmute;
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else if(vol == ~0)
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q |= zerodb << Again;
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else if(range > 0)
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q |= (range * vol / 128) << Again;
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cmd(w->id, Setamp, q);
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}
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}
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static void
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static void
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getoutamp(Widget *w, int v[2])
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getoutamp(Widget *w, int vol[2])
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{
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{
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uint q, r, range;
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vol[0] = vol[1] = 0;
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v[0] = 0;
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v[1] = 0;
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if((w->cap & Woutampcap) == 0)
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if((w->cap & Woutampcap) == 0)
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return;
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return;
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vol[0] = cmd(w->id, Getamp, Agetout | Agetleft) & Againmask;
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r = cmd(w->id, Getparm, Outampcap);
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vol[1] = cmd(w->id, Getamp, Agetout | Agetright) & Againmask;
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range = (r >> 8) & 0x7f;
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q = (1 << 15) | (1 << 13);
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r = cmd(w->id, Getamp, q);
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v[0] = (r & 0x7f) * 128 / range;
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q = (1 << 15) | (0 << 13);
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r = cmd(w->id, Getamp, q);
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v[1] = (r & 0x7f) * 128 / range;
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}
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}
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/* vol is 0...127 or ~0 for 0dB; mute is 0/1; in is widget or nil for all */
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/* vol is 0...range or nil for 0dB; mute is 0/1 */
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static void
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static void
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setinamp(Widget *w, Widget *in, int mute, uint vol)
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setoutamp(Widget *w, int mute, int *vol)
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{
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{
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uint q, r, i;
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uint q, r, i;
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uint zerodb, range;
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uint zerodb;
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if((w->cap & Woutampcap) == 0)
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return;
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r = cmd(w->id, Getparm, Outampcap);
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zerodb = r & 0x7f;
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for(i=0; i<2; i++){
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q = Asetout | (i == 0 ? Asetleft : Asetright);
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if(mute)
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q |= Asetmute;
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else if(vol == nil)
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q |= zerodb << Again;
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else
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q |= vol[i] << Again;
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cmd(w->id, Setamp, q);
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}
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}
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/* vol is 0...range or nil for 0dB; mute is 0/1; in is widget or nil for all */
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static void
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setinamp(Widget *w, Widget *in, int mute, int *vol)
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{
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uint q, r, i, j;
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uint zerodb;
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if((w->cap & Winampcap) == 0)
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if((w->cap & Winampcap) == 0)
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return;
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return;
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r = cmd(w->id, Getparm, Inampcap);
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r = cmd(w->id, Getparm, Inampcap);
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range = (r >> 8) & 0x7f;
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zerodb = r & 0x7f;
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zerodb = r & 127;
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q = Asetin | Asetleft | Asetright;
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for(i=0; i<2; i++){
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q = Asetin | (i == 0 ? Asetleft : Asetright);
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if(mute)
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if(mute)
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q |= Asetmute;
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q |= Asetmute;
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else if(vol == ~0)
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else if(vol == nil)
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q |= zerodb << Again;
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q |= zerodb << Again;
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else if(range > 0)
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else
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q |= (range * vol / 128) << Again;
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q |= vol[i] << Again;
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for(i=0; i<w->nlist; i++){
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for(j=0; j<w->nlist; j++){
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if(in == nil || w->list[i] == in)
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if(in == nil || w->list[j] == in)
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cmd(w->id, Setamp, q | (i << Aidx));
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cmd(w->id, Setamp, q | (j << Asetidx));
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}
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}
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}
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}
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}
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@ -585,14 +587,14 @@ connectpath(Widget *src, Widget *dst, uint stream)
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uint i;
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uint i;
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for(w=src->fg->first; w != nil; w=w->next){
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for(w=src->fg->first; w != nil; w=w->next){
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setoutamp(w, 1, 0);
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setoutamp(w, 1, nil);
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setinamp(w, nil, 1, 0);
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setinamp(w, nil, 1, nil);
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cmd(w->id, Setstream, 0);
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cmd(w->id, Setstream, 0);
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}
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}
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for(w=dst; w != src; w=v){
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for(w=dst; w != src; w=v){
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v = w->from;
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v = w->from;
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setoutamp(w, 0, ~0);
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setoutamp(w, 0, nil);
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setinamp(v, w, 0, ~0);
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setinamp(v, w, 0, nil);
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if(v->type == Waout || v->type == Wamix)
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if(v->type == Waout || v->type == Wamix)
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continue;
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continue;
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if(v->nlist == 1)
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if(v->nlist == 1)
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@ -601,7 +603,7 @@ connectpath(Widget *src, Widget *dst, uint stream)
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;
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;
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cmd(v->id, Setconn, i);
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cmd(v->id, Setconn, i);
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}
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}
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setoutamp(src, 0, ~0);
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setoutamp(src, 0, nil);
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cmd(src->id, Setpinctl, Pinctlout);
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cmd(src->id, Setpinctl, Pinctlout);
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cmd(dst->id, Setstream, (stream << 4) | 0);
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cmd(dst->id, Setstream, (stream << 4) | 0);
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cmd(dst->id, Setconvfmt, (1 << 14) | (1 << 4) | 1);
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cmd(dst->id, Setconvfmt, (1 << 14) | (1 << 4) | 1);
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@ -1044,9 +1046,7 @@ hdactl(Audio *adev, void *va, long n, vlong)
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if(ntok <= 0)
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if(ntok <= 0)
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continue;
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continue;
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if(cistrcmp(tok[0], "pin") == 0 && ntok == 2){
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if(cistrcmp(tok[0], "pin") == 0 && ntok == 2){
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qlock(ctlr);
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connectpin(ctlr, strtoul(tok[1], 0, 0));
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connectpin(ctlr, strtoul(tok[1], 0, 0));
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qunlock(ctlr);
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}else
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}else
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error(Ebadctl);
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error(Ebadctl);
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}
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}
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@ -1101,12 +1101,8 @@ static int
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hdagetvol(Audio *adev, int, int a[2])
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hdagetvol(Audio *adev, int, int a[2])
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{
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{
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Ctlr *ctlr = adev->ctlr;
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Ctlr *ctlr = adev->ctlr;
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if(ctlr->amp != nil)
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if(ctlr->amp == nil)
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return -1;
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qlock(ctlr);
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getoutamp(ctlr->amp, a);
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getoutamp(ctlr->amp, a);
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qunlock(ctlr);
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return 0;
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return 0;
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}
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}
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@ -1114,24 +1110,32 @@ static int
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hdasetvol(Audio *adev, int, int a[2])
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hdasetvol(Audio *adev, int, int a[2])
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{
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{
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Ctlr *ctlr = adev->ctlr;
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Ctlr *ctlr = adev->ctlr;
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if(ctlr->amp != nil)
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if(ctlr->amp == nil)
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setoutamp(ctlr->amp, 0, a);
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return -1;
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qlock(ctlr);
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setoutamp(ctlr->amp, 0, a[0]);
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qunlock(ctlr);
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return 0;
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return 0;
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}
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}
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static void
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fillvoltab(Ctlr *ctlr, Volume *vt)
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{
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memmove(vt, voltab, sizeof(voltab));
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if(ctlr->amp != nil)
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vt[0].range = getoutamprange(ctlr->amp);
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}
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static long
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static long
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hdavolread(Audio *adev, void *a, long n, vlong)
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hdavolread(Audio *adev, void *a, long n, vlong)
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{
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{
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Volume voltab[2];
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fillvoltab(adev->ctlr, voltab);
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return genaudiovolread(adev, a, n, 0, voltab, hdagetvol, 0);
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return genaudiovolread(adev, a, n, 0, voltab, hdagetvol, 0);
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}
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}
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static long
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static long
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hdavolwrite(Audio *adev, void *a, long n, vlong)
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hdavolwrite(Audio *adev, void *a, long n, vlong)
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{
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{
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Volume voltab[2];
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fillvoltab(adev->ctlr, voltab);
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return genaudiovolwrite(adev, a, n, 0, voltab, hdasetvol, 0);
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return genaudiovolwrite(adev, a, n, 0, voltab, hdasetvol, 0);
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}
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}
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