diff options
Diffstat (limited to 'sound/soc/codecs/hdac_hda.c')
| -rw-r--r-- | sound/soc/codecs/hdac_hda.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c index be66853afbe2..355f30779a34 100644 --- a/sound/soc/codecs/hdac_hda.c +++ b/sound/soc/codecs/hdac_hda.c @@ -7,6 +7,7 @@ * codec drivers using hdac_ext_bus_ops ops. */ +#include <linux/firmware.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/module.h> @@ -35,6 +36,13 @@ SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ SNDRV_PCM_RATE_192000) +#ifdef CONFIG_SND_HDA_PATCH_LOADER +static char *loadable_patch[HDA_MAX_CODECS]; + +module_param_array_named(patch, loadable_patch, charp, NULL, 0444); +MODULE_PARM_DESC(patch, "Patch file array for Intel HD audio interface. The array index is the codec address."); +#endif + static int hdac_hda_dai_open(struct snd_pcm_substream *substream, struct snd_soc_dai *dai); static void hdac_hda_dai_close(struct snd_pcm_substream *substream, @@ -423,6 +431,27 @@ static int hdac_hda_codec_probe(struct snd_soc_component *component) dev_err(&hdev->dev, "failed to create hda codec %d\n", ret); goto error_no_pm; } + +#ifdef CONFIG_SND_HDA_PATCH_LOADER + if (loadable_patch[hda_pvt->dev_index] && *loadable_patch[hda_pvt->dev_index]) { + const struct firmware *fw; + + dev_info(&hdev->dev, "Applying patch firmware '%s'\n", + loadable_patch[hda_pvt->dev_index]); + ret = request_firmware(&fw, loadable_patch[hda_pvt->dev_index], + &hdev->dev); + if (ret < 0) + goto error_no_pm; + if (fw) { + ret = snd_hda_load_patch(hcodec->bus, fw->size, fw->data); + if (ret < 0) { + dev_err(&hdev->dev, "failed to load hda patch %d\n", ret); + goto error_no_pm; + } + release_firmware(fw); + } + } +#endif /* * Overwrite type to HDA_DEV_ASOC since it is a ASoC driver * hda_codec.c will check this flag to determine if unregister |