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Diffstat (limited to 'sound/soc/codecs/hdac_hda.c')
-rw-r--r--sound/soc/codecs/hdac_hda.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/soc/codecs/hdac_hda.c b/sound/soc/codecs/hdac_hda.c
index d59d38ce56..b075689db2 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,
@@ -426,6 +434,27 @@ 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