ALSA: hda - Keep pointer to bdl_pos_fix in chip struct
authorDylan Reid <dgreid@chromium.org>
Fri, 28 Feb 2014 23:41:14 +0000 (15:41 -0800)
committerTakashi Iwai <tiwai@suse.de>
Sat, 1 Mar 2014 10:20:51 +0000 (11:20 +0100)
This will allow for a platform hda driver to use it as well.  It
removes the dependency on the module param from hda_intel, which will
allow for azx_setup_periods to be shared.

Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_intel.c
sound/pci/hda/hda_priv.h

index 45718fbb7de446e2d47cc4e7f866b353e10423a3..9fcd1d12846495a1e7cc963a54f59065f5c74bfa 100644 (file)
@@ -1147,7 +1147,7 @@ static int azx_setup_periods(struct azx *chip,
 {
        u32 *bdl;
        int i, ofs, periods, period_bytes;
-       int pos_adj;
+       int pos_adj = 0;
 
        /* reset BDL address */
        azx_sd_writel(chip, azx_dev, SD_BDLPL, 0);
@@ -1160,7 +1160,9 @@ static int azx_setup_periods(struct azx *chip,
        bdl = (u32 *)azx_dev->bdl.area;
        ofs = 0;
        azx_dev->frags = 0;
-       pos_adj = bdl_pos_adj[chip->dev_index];
+
+       if (chip->bdl_pos_adj)
+               pos_adj = chip->bdl_pos_adj[chip->dev_index];
        if (!azx_dev->no_period_wakeup && pos_adj > 0) {
                struct snd_pcm_runtime *runtime = substream->runtime;
                int pos_align = pos_adj;
@@ -1173,7 +1175,7 @@ static int azx_setup_periods(struct azx *chip,
                pos_adj = frames_to_bytes(runtime, pos_adj);
                if (pos_adj >= period_bytes) {
                        dev_warn(chip->card->dev,"Too big adjustment %d\n",
-                                bdl_pos_adj[chip->dev_index]);
+                                pos_adj);
                        pos_adj = 0;
                } else {
                        ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
@@ -1184,6 +1186,7 @@ static int azx_setup_periods(struct azx *chip,
                }
        } else
                pos_adj = 0;
+
        for (i = 0; i < periods; i++) {
                if (i == periods - 1 && pos_adj)
                        ofs = setup_bdle(chip, snd_pcm_get_dma_buf(substream),
@@ -2143,7 +2146,7 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
        if (wallclk < (azx_dev->period_wallclk * 5) / 4 &&
            pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
                /* NG - it's below the first next period boundary */
-               return bdl_pos_adj[chip->dev_index] ? 0 : -1;
+               return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1;
        azx_dev->start_wallclk += wallclk;
        return 1; /* OK, it's fine */
 }
@@ -3207,6 +3210,7 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
                        break;
                }
        }
+       chip->bdl_pos_adj = bdl_pos_adj;
 
        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
        if (err < 0) {
index 6d082d65baed6cba1134fc668a8c6c904391240f..17afe90e90deace1db100f95d0532948ddb178a0 100644 (file)
@@ -357,6 +357,7 @@ struct azx {
 
        /* flags */
        int position_fix[2]; /* for both playback/capture streams */
+       const int *bdl_pos_adj;
        int poll_count;
        unsigned int running:1;
        unsigned int initialized:1;