patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / sound / pci / au88x0 / au88x0_synth.c

diff --git a/sound/pci/au88x0/au88x0_synth.c b/sound/pci/au88x0/au88x0_synth.c
index 1867218..400417d 100644 (file)
--- a/sound/pci/au88x0/au88x0_synth.c
+++ b/sound/pci/au88x0/au88x0_synth.c
@@ -36,6 +36,7 @@ static int vortex_wt_SetReg(vortex_t * vortex, unsigned char reg, int wt,
 
 /* WT */
 
+/* Put 2 WT channels together for one stereo interlaced channel. */
 static void vortex_wt_setstereo(vortex_t * vortex, u32 wt, u32 stereo)
 {
        int temp;
@@ -47,6 +48,7 @@ static void vortex_wt_setstereo(vortex_t * vortex, u32 wt, u32 stereo)
        hwwrite(vortex->mmio, WT_STEREO(wt), temp);
 }
 
+/* Join to mixdown route. */
 static void vortex_wt_setdsout(vortex_t * vortex, u32 wt, int en)
 {
        int temp;
@@ -60,7 +62,7 @@ static void vortex_wt_setdsout(vortex_t * vortex, u32 wt, int en)
        hwwrite(vortex->mmio, WT_DSREG((wt >= 0x20) ? 1 : 0), temp);
 }
 
-// WT routing is still a mistery.
+/* Setup WT route. */
 static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
 {
        wt_voice_t *voice = &(vortex->wt_voice[wt]);
@@ -68,13 +70,15 @@ static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
 
        //FIXME: WT audio routing.
        if (nr_ch) {
-               vortex_fifo_wtinitialize(vortex, wt, 2);
+               vortex_fifo_wtinitialize(vortex, wt, 1);
                vortex_fifo_setwtvalid(vortex, wt, 1);
                vortex_wt_setstereo(vortex, wt, nr_ch - 1);
        } else
                vortex_fifo_setwtvalid(vortex, wt, 0);
-
-       vortex_wt_setdsout(vortex, wt, 0);
+       
+       /* Set mixdown mode. */
+       vortex_wt_setdsout(vortex, wt, 1);
+       /* Set other parameter registers. */
        hwwrite(vortex->mmio, WT_SRAMP(0), 0x880000);
        //hwwrite(vortex->mmio, WT_GMODE(0), 0xffffffff);
 #ifdef CHIP_AU8830
@@ -87,7 +91,7 @@ static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
 
        temp = hwread(vortex->mmio, WT_PARM(wt, 3));
        printk("vortex: WT PARM3: %x\n", temp);
-       hwwrite(vortex->mmio, WT_PARM(wt, 3), temp);
+       //hwwrite(vortex->mmio, WT_PARM(wt, 3), temp);
 
        hwwrite(vortex->mmio, WT_DELAY(wt, 0), 0);
        hwwrite(vortex->mmio, WT_DELAY(wt, 1), 0);
@@ -106,6 +110,7 @@ static int vortex_wt_allocroute(vortex_t * vortex, int wt, int nr_ch)
        return 0;
 }
 
+
 static void vortex_wt_connect(vortex_t * vortex, int en)
 {
        int i, ii, mix;
@@ -129,15 +134,12 @@ static void vortex_wt_connect(vortex_t * vortex, int en)
                                     ADB_WTOUT(i, ii + 0x20), ADB_MIXIN(mix));
 
                        vortex_connection_mixin_mix(vortex, en, mix,
-                                                   vortex->mixplayb[ii %
-                                                                    2], 0);
+                                                   vortex->mixplayb[ii % 2], 0);
                        if (VORTEX_IS_QUAD(vortex))
                                vortex_connection_mixin_mix(vortex, en,
                                                            mix,
-                                                           vortex->
-                                                           mixplayb[2 +
-                                                                    (ii %
-                                                                     2)], 0);
+                                                           vortex->mixplayb[2 +
+                                                                    (ii % 2)], 0);
                }
        }
        for (i = 0; i < NR_WT; i++) {