Hi,
Here is a patch which tunes the volume control of maestro sound boards:
The log conversion seems not good for PCM and CD. The volume buttons
incrementing / decrementing the main volume by 10 on 100 is too much, I'd
rather set it to 5.
Regards,
Samuel Thibault
diff -ur linux-2.5.71-orig/sound/oss/maestro.c linux-2.5.71-perso/sound/oss/maestro.c
--- linux-2.5.71-orig/sound/oss/maestro.c 2003-06-14 17:13:46.000000000 -0400
+++ linux-2.5.71-perso/sound/oss/maestro.c 2003-07-06 13:51:23.000000000 -0400
@@ -726,6 +726,12 @@
left = (left * mh->scale) / 100;
if ((left == 0) && (right == 0))
val |= 0x8000;
+ } else if (mixer == SOUND_MIXER_PCM || mixer == SOUND_MIXER_CD) {
+ /* log conversion seems bad for them */
+ if ((left == 0) && (right == 0))
+ val = 0x8000;
+ right = ((100 - right) * mh->scale) / 100;
+ left = ((100 - left) * mh->scale) / 100;
} else {
/* log conversion for the stereo controls */
if((left == 0) && (right == 0))
@@ -1937,12 +1943,12 @@
manner by adjusting the master mixer volume. */
volume = c->mix.mixer_state[0] & 0xff;
if (vol_evt == UP_EVT) {
- volume += 10;
+ volume += 5;
if (volume > 100)
volume = 100;
}
else if (vol_evt == DOWN_EVT) {
- volume -= 10;
+ volume -= 5;
if (volume < 0)
volume = 0;
} else {