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Diffstat (limited to 'sound/soc/sof/intel/hda-ctrl.c')
-rw-r--r--sound/soc/sof/intel/hda-ctrl.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-ctrl.c b/sound/soc/sof/intel/hda-ctrl.c
index df1909e1d950..871b71a15a63 100644
--- a/sound/soc/sof/intel/hda-ctrl.c
+++ b/sound/soc/sof/intel/hda-ctrl.c
@@ -15,11 +15,18 @@
* Hardware interface for generic Intel audio DSP HDA IP
*/
+#include <linux/module.h>
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
#include "../ops.h"
#include "hda.h"
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+static int hda_codec_mask = -1;
+module_param_named(codec_mask, hda_codec_mask, int, 0444);
+MODULE_PARM_DESC(codec_mask, "SOF HDA codec mask for probing");
+#endif
+
/*
* HDA Operations.
*/
@@ -206,6 +213,12 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset)
bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS);
dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask);
}
+
+ if (hda_codec_mask != -1) {
+ bus->codec_mask &= hda_codec_mask;
+ dev_dbg(bus->dev, "filtered codec_mask = 0x%lx\n",
+ bus->codec_mask);
+ }
#endif
/* clear stream status */