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Commit 5c0d7bc1 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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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: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 555e219f

sound/pci/hda/hda_intel.c

+13 −1
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

static char *model[SNDRV_CARDS];

static int position_fix[SNDRV_CARDS];

static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};

static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};

static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};

static int single_cmd;

static int enable_msi;
@@ -2013,6 +2013,18 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, 


	chip->single_cmd = single_cmd;



	if (bdl_pos_adj[dev] < 0) {

		switch (chip->driver_type) {

		case AZX_DRIVER_ATI:

		case AZX_DRIVER_ATIHDMI:

			bdl_pos_adj[dev] = 32;

			break;

		default:

			bdl_pos_adj[dev] = 1;

			break;

		}

	}



#if BITS_PER_LONG != 64

	/* Fix up base address on ULI M5461 */

	if (chip->driver_type == AZX_DRIVER_ULI) {