ALSA: ali5451: remove dead code
[pandora-kernel.git] / sound / pci / ali5451 / ali5451.c
index c551006..b458d20 100644 (file)
@@ -310,12 +310,16 @@ static int snd_ali_codec_ready(struct snd_ali *codec,
        unsigned int res;
        
        end_time = jiffies + msecs_to_jiffies(250);
-       do {
+
+       for (;;) {
                res = snd_ali_5451_peek(codec,port);
                if (!(res & 0x8000))
                        return 0;
+               if (!time_after_eq(end_time, jiffies))
+                       break;
                schedule_timeout_uninterruptible(1);
-       } while (time_after_eq(end_time, jiffies));
+       }
+
        snd_ali_5451_poke(codec, port, res & ~0x8000);
        snd_printdd("ali_codec_ready: codec is not ready.\n ");
        return -EIO;
@@ -327,15 +331,17 @@ static int snd_ali_stimer_ready(struct snd_ali *codec)
        unsigned long dwChk1,dwChk2;
        
        dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
-       dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
-
        end_time = jiffies + msecs_to_jiffies(250);
-       do {
+
+       for (;;) {
                dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
                if (dwChk2 != dwChk1)
                        return 0;
+               if (!time_after_eq(end_time, jiffies))
+                       break;
                schedule_timeout_uninterruptible(1);
-       } while (time_after_eq(end_time, jiffies));
+       }
+
        snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
        return -EIO;
 }
@@ -472,45 +478,6 @@ static int snd_ali_reset_5451(struct snd_ali *codec)
        return 0;
 }
 
-#ifdef CODEC_RESET
-
-static int snd_ali_reset_codec(struct snd_ali *codec)
-{
-       struct pci_dev *pci_dev;
-       unsigned char bVal;
-       unsigned int   dwVal;
-       unsigned short wCount, wReg;
-
-       pci_dev = codec->pci_m1533;
-       
-       pci_read_config_dword(pci_dev, 0x7c, &dwVal);
-       pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
-       udelay(5000);
-       pci_read_config_dword(pci_dev, 0x7c, &dwVal);
-       pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
-       udelay(5000);
-
-       bVal = inb(ALI_REG(codec,ALI_SCTRL));
-       bVal |= 0x02;
-       outb(ALI_REG(codec,ALI_SCTRL),bVal);
-       udelay(5000);
-       bVal = inb(ALI_REG(codec,ALI_SCTRL));
-       bVal &= 0xfd;
-       outb(ALI_REG(codec,ALI_SCTRL),bVal);
-       udelay(15000);
-
-       wCount = 200;
-       while (wCount--) {
-               wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
-               if ((wReg & 0x000f) == 0x000f)
-                       return 0;
-               udelay(5000);
-       }
-       return -1;
-}
-
-#endif
-
 /*
  *  ALI 5451 Controller
  */
@@ -555,22 +522,6 @@ static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
        outl(gc, ALI_REG(codec, ALI_GC_CIR));
 }
 
-#if 0 /* not used */
-static void snd_ali_enable_voice_irq(struct snd_ali *codec,
-                                    unsigned int channel)
-{
-       unsigned int mask;
-       struct snd_ali_channel_control *pchregs = &(codec->chregs);
-
-       snd_ali_printk("enable_voice_irq channel=%d\n",channel);
-       
-       mask = 1 << (channel & 0x1f);
-       pchregs->data.ainten  = inl(ALI_REG(codec, pchregs->regs.ainten));
-       pchregs->data.ainten |= mask;
-       outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
-}
-#endif
-
 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
                                      unsigned int channel)
 {
@@ -671,16 +622,6 @@ static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
        }
 }
 
-#if 0 /* not used */
-static void snd_ali_start_voice(struct snd_ali *codec, unsigned int channel)
-{
-       unsigned int mask = 1 << (channel & 0x1f);
-       
-       snd_ali_printk("start_voice: channel=%d\n",channel);
-       outl(mask, ALI_REG(codec,codec->chregs.regs.start));
-}
-#endif
-
 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
 {
        unsigned int mask = 1 << (channel & 0x1f);