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| author | Takashi Iwai <tiwai@suse.de> | 2015-12-10 16:44:08 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-12-15 14:01:28 +0100 |
| commit | 4f0189be3d0b2ba7f23b46295e4063fa3298aa74 (patch) | |
| tree | 0421aa9680b4cf824cadb23aecdea164b3a7df26 /sound/pci | |
| parent | ALSA: usb-audio: constify usb_protocol_ops structures (diff) | |
| download | linux-4f0189be3d0b2ba7f23b46295e4063fa3298aa74.tar.xz linux-4f0189be3d0b2ba7f23b46295e4063fa3298aa74.zip | |
ALSA: hda - Clean up the code to check bdl_pos_adj option
Just a minor cleanup; instead of passing an array, pass the assigned
bdl_pos_adj option value directory in struct azx. Also split the code
to get the default bdl_pos_adj value for the change that will follow
after this.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 3 | ||||
| -rw-r--r-- | sound/pci/hda/hda_controller.h | 2 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 29 |
3 files changed, 18 insertions, 16 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 22dbfa563919..10c77074b4dc 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -1050,8 +1050,7 @@ int azx_bus_init(struct azx *chip, const char *model, if (chip->get_position[0] != azx_get_pos_lpib || chip->get_position[1] != azx_get_pos_lpib) bus->core.use_posbuf = true; - if (chip->bdl_pos_adj) - bus->core.bdl_pos_adj = chip->bdl_pos_adj[chip->dev_index]; + bus->core.bdl_pos_adj = chip->bdl_pos_adj; if (chip->driver_caps & AZX_DCAPS_CORBRP_SELF_CLEAR) bus->core.corbrp_self_clear = true; diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h index c1d28a657f19..a32ec9004edd 100644 --- a/sound/pci/hda/hda_controller.h +++ b/sound/pci/hda/hda_controller.h @@ -147,7 +147,7 @@ struct azx { #endif /* flags */ - const int *bdl_pos_adj; + int bdl_pos_adj; int poll_count; unsigned int running:1; unsigned int single_cmd:1; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fe9bef339cea..a17bf0467edc 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -632,7 +632,7 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) if (wallclk < (azx_dev->core.period_wallclk * 5) / 4 && pos % azx_dev->core.period_bytes > azx_dev->core.period_bytes / 2) /* NG - it's below the first next period boundary */ - return chip->bdl_pos_adj[chip->dev_index] ? 0 : -1; + return chip->bdl_pos_adj ? 0 : -1; azx_dev->core.start_wallclk += wallclk; return 1; /* OK, it's fine */ } @@ -1488,6 +1488,17 @@ static void azx_probe_work(struct work_struct *work) azx_probe_continue(&hda->chip); } +static int default_bdl_pos_adj(struct azx *chip) +{ + switch (chip->driver_type) { + case AZX_DRIVER_ICH: + case AZX_DRIVER_PCH: + return 1; + default: + return 32; + } +} + /* * constructor */ @@ -1541,18 +1552,10 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, chip->single_cmd = single_cmd; azx_check_snoop_available(chip); - if (bdl_pos_adj[dev] < 0) { - switch (chip->driver_type) { - case AZX_DRIVER_ICH: - case AZX_DRIVER_PCH: - bdl_pos_adj[dev] = 1; - break; - default: - bdl_pos_adj[dev] = 32; - break; - } - } - chip->bdl_pos_adj = bdl_pos_adj; + if (bdl_pos_adj[dev] < 0) + chip->bdl_pos_adj = default_bdl_pos_adj(chip); + else + chip->bdl_pos_adj = bdl_pos_adj[dev]; err = azx_bus_init(chip, model[dev], &pci_hda_io_ops); if (err < 0) { |