diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2023-09-19 16:32:09 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-09-19 13:49:16 +0100 |
| commit | 842a62a75e709b3efb5020a25a225fa51748c5f9 (patch) | |
| tree | 771a2dfb9a89c91a1fa1054f45e8cb19fa8b9c61 /sound/soc/codecs/hdac_hda.c | |
| parent | 88e20c1f8c1c0018a2dad50b991b87ef028b9c1c (diff) | |
ASoC: hdac_hda: add HDA patch loader support
HDA patch loader is supported by legacy HDA driver. Implement it on
ASoC HDA driver, too.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20230919083209.1919921-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/hdac_hda.c')
| -rw-r--r-- | sound/soc/codecs/hdac_hda.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c index be66853afbe2..8f5d97949d3d 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[SNDRV_CARDS]; + +module_param_array_named(patch, loadable_patch, charp, NULL, 0444); +MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface."); +#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 +431,26 @@ 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]) { + dev_info(&hdev->dev, "Applying patch firmware '%s'\n", + loadable_patch[hda_pvt->dev_index]); + ret = request_firmware(&hda_pvt->fw, loadable_patch[hda_pvt->dev_index], + &hdev->dev); + if (ret < 0) + goto error_no_pm; + if (hda_pvt->fw) { + ret = snd_hda_load_patch(hcodec->bus, hda_pvt->fw->size, hda_pvt->fw->data); + if (ret < 0) { + dev_err(&hdev->dev, "failed to load hda patch %d\n", ret); + goto error_no_pm; + } + release_firmware(hda_pvt->fw); + hda_pvt->fw = NULL; + } + } +#endif /* * Overwrite type to HDA_DEV_ASOC since it is a ASoC driver * hda_codec.c will check this flag to determine if unregister |