ALSA: hda - Fix bdl_pos_adj value for ATI SB chipsets
ATI SB controllers seem to report the DMA ahead in the amount of FIFO. Thus bdl_pos_adj should be 32 for them as default. Also, the default value is set to -1, which means to make the driver to choose the appropriate value. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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Родитель
555e219ffa
Коммит
5c0d7bc103
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@ -55,7 +55,7 @@ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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static char *model[SNDRV_CARDS];
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static int position_fix[SNDRV_CARDS];
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static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
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static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
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static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
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static int single_cmd;
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static int enable_msi;
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@ -2013,6 +2013,18 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
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chip->single_cmd = single_cmd;
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if (bdl_pos_adj[dev] < 0) {
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switch (chip->driver_type) {
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case AZX_DRIVER_ATI:
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case AZX_DRIVER_ATIHDMI:
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bdl_pos_adj[dev] = 32;
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break;
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default:
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bdl_pos_adj[dev] = 1;
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break;
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}
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}
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#if BITS_PER_LONG != 64
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/* Fix up base address on ULI M5461 */
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if (chip->driver_type == AZX_DRIVER_ULI) {
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