Vergil_Wong/lib_xua
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Added define OUTPUT_VOLUME_CONTROL which disables output volume control - both in the descriptors and processing. NOTE: Still could be extended to disable volume in MIXER

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This commit is contained in:
Ross Owen
2014-04-17 14:14:05 +01:00
parent ff4cd84781
commit 641fbdfca6
3 changed files with 34 additions and 15 deletions
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6
module_usb_audio/usb_buffer/decouple.xc
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@@ -339,7 +339,7 @@ __builtin_unreachable();
g_aud_from_host_rdptr+=2;
sample <<= 16;
#ifndef OUT_VOLUME_IN_MIXER
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
/* Note, in 2 byte subslot mode - ignore lower result of macs */
@@ -367,7 +367,7 @@ __builtin_unreachable();
read_via_xc_ptr(sample, g_aud_from_host_rdptr);
g_aud_from_host_rdptr+=4;
#ifndef OUT_VOLUME_IN_MIXER
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
h <<= 3;
@@ -422,7 +422,7 @@ __builtin_unreachable();
}
unpackState++;
#ifndef OUT_VOLUME_IN_MIXER
#if (OUTPUT_VOLUME_CONTROL == 1) && !defined(OUT_VOLUME_IN_MIXER)
asm("ldw %0, %1[%2]":"=r"(mult):"r"(p_multOut),"r"(i));
{h, l} = macs(mult, sample, 0, 0);
h <<= 3;