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yaml
---
r: 99094
b: refs/heads/master
c: d2e1c97
h: refs/heads/master
v: v3
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Takashi Iwai authored and Jaroslav Kysela committed Jun 13, 2008
1 parent 8e661e5 commit 1509b86
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Showing 3 changed files with 8 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 675f25d4d3ff6501cbce608bcc2333a56ec4c105
refs/heads/master: d2e1c97331d37a477ef7e9a272b4de4e53b893be
2 changes: 1 addition & 1 deletion trunk/Documentation/sound/alsa/ALSA-Configuration.txt
Original file line number Diff line number Diff line change
Expand Up @@ -753,7 +753,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.

[Multiple options for each card instance]
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
position_fix - Fix DMA pointer (0 = auto, 1 = use LPIB, 2 = POSBUF)
probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)

[Single (global) options]
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15 changes: 6 additions & 9 deletions trunk/sound/pci/hda/hda_intel.c
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ module_param_array(model, charp, NULL, 0444);
MODULE_PARM_DESC(model, "Use the given board model.");
module_param_array(position_fix, int, NULL, 0444);
MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
"(0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size).");
"(0 = auto, 1 = none, 2 = POSBUF).");
module_param_array(probe_mask, int, NULL, 0444);
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
module_param(single_cmd, bool, 0444);
Expand Down Expand Up @@ -266,9 +266,8 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
/* position fix mode */
enum {
POS_FIX_AUTO,
POS_FIX_NONE,
POS_FIX_LPIB,
POS_FIX_POSBUF,
POS_FIX_FIFO,
};

/* Defines for ATI HD Audio support in SB450 south bridge */
Expand Down Expand Up @@ -1506,8 +1505,6 @@ static unsigned int azx_get_position(struct azx *chip,
} else {
/* read LPIB */
pos = azx_sd_readl(azx_dev, SD_LPIB);
if (chip->position_fix == POS_FIX_FIFO)
pos += azx_dev->fifo_size;
}
if (pos >= azx_dev->bufsize)
pos = 0;
Expand Down Expand Up @@ -1542,7 +1539,7 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
printk(KERN_WARNING
"hda-intel: Invalid position buffer, "
"using LPIB read method instead.\n");
chip->position_fix = POS_FIX_NONE;
chip->position_fix = POS_FIX_LPIB;
pos = azx_get_position(chip, azx_dev);
} else
chip->position_fix = POS_FIX_POSBUF;
Expand Down Expand Up @@ -1917,9 +1914,9 @@ static int azx_dev_free(struct snd_device *device)
* white/black-listing for position_fix
*/
static struct snd_pci_quirk position_fix_list[] __devinitdata = {
SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_NONE),
SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_NONE),
SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_NONE),
SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
{}
};

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