/*
* Convert volume to hardware representation.
* The card uses bits 00000x0x to set volume.
*/
u_int8_t
az_conv_vol(u_int8_t vol)
{
if (vol < VOLUME_RATIO(1))
return 0;
else if (vol >= VOLUME_RATIO(1) && vol < VOLUME_RATIO(2))
return 1;
else if (vol >= VOLUME_RATIO(2) && vol < VOLUME_RATIO(3))
return 4;
else
return 5;
}
/*
* Convert volume from hardware representation
*/
u_int8_t
az_unconv_vol(u_int8_t vol)
{
switch (vol) {
case 0:
return VOLUME_RATIO(0);
case 1:
return VOLUME_RATIO(1);
case 4:
return VOLUME_RATIO(2);
}
return VOLUME_RATIO(3);
}
/*
* Convert volume to hardware representation.
*/
u_int8_t
rt_conv_vol(u_int8_t vol)
{
if (vol < VOLUME_RATIO(1))
return 0;
else if (vol >= VOLUME_RATIO(1) && vol < VOLUME_RATIO(2))
return 1;
else if (vol >= VOLUME_RATIO(2) && vol < VOLUME_RATIO(3))
return 2;
else if (vol >= VOLUME_RATIO(3) && vol < VOLUME_RATIO(4))
return 3;
else
return 4;
}
/*
* Convert volume from hardware representation
*/
u_int8_t
rt_unconv_vol(u_int8_t vol)
{
return VOLUME_RATIO(vol);
}
