diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-06-17 09:52:54 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-06-24 11:53:43 +0200 |
| commit | 4ea6fbc8eb23c3ae5fd2fb55a340ab85c8649bce (patch) | |
| tree | 8e13b14c449c13047d92f7bed84d4e83eebb96ce /sound/pci/hda/hda_intel.c | |
| parent | a1e21c9078fb8005e5accb921696ec9e2f38176e (diff) | |
ALSA: hda - Add patch module option
Added the patch module option to apply a "patch" as a firmware to
modify pin configurations or give additional hints to the driver
before actually initializing and configuring the codec.
This can be used as a workaround when the BIOS doesn't give sufficient
information or give wrong information that doesn't match with the real
hardware setup, until it's fixed statically in the driver via a quirk.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index da58f2ca915..a2f4a116f87 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -61,6 +61,9 @@ static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int probe_only[SNDRV_CARDS]; static int single_cmd; static int enable_msi; +#ifdef CONFIG_SND_HDA_PATCH_LOADER +static char *patch[SNDRV_CARDS]; +#endif module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); @@ -84,6 +87,10 @@ MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " "(for debugging only)."); module_param(enable_msi, int, 0444); MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); +#ifdef CONFIG_SND_HDA_PATCH_LOADER +module_param_array(patch, charp, NULL, 0444); +MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); +#endif #ifdef CONFIG_SND_HDA_POWER_SAVE static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; @@ -2468,6 +2475,9 @@ static int __devinit azx_probe(struct pci_dev *pci, return err; } + /* set this here since it's referred in snd_hda_load_patch() */ + snd_card_set_dev(card, &pci->dev); + err = azx_create(card, pci, dev, pci_id->driver_data, &chip); if (err < 0) goto out_free; @@ -2477,6 +2487,15 @@ static int __devinit azx_probe(struct pci_dev *pci, err = azx_codec_create(chip, model[dev]); if (err < 0) goto out_free; +#ifdef CONFIG_SND_HDA_PATCH_LOADER + if (patch[dev]) { + snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n", + patch[dev]); + err = snd_hda_load_patch(chip->bus, patch[dev]); + if (err < 0) + goto out_free; + } +#endif if (!probe_only[dev]) { err = azx_codec_configure(chip); if (err < 0) @@ -2493,8 +2512,6 @@ static int __devinit azx_probe(struct pci_dev *pci, if (err < 0) goto out_free; - snd_card_set_dev(card, &pci->dev); - err = snd_card_register(card); if (err < 0) goto out_free; |