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Diffstat (limited to 'sound/pci/ali5451/ali5451.c')
-rw-r--r--sound/pci/ali5451/ali5451.c83
1 files changed, 12 insertions, 71 deletions
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index c551006e2920..b458d208720b 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -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);