ALSA: hda - Add snd_hda_override_pin_caps() helper function

Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 25 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 2a8d447c8ed6..83d3eb5e5552 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1693,6 +1693,29 @@ u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
 
 /**
+ * snd_hda_override_pin_caps - Override the pin capabilities
+ * @codec: the CODEC
+ * @nid: the NID to override
+ * @caps: the capability bits to set
+ *
+ * Override the cached PIN capabilitiy bits value by the given one.
+ *
+ * Returns zero if successful or a negative error code.
+ */
+int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
+                              unsigned int caps)
+{
+        struct hda_amp_info *info;
+        info = get_alloc_amp_hash(codec, HDA_HASH_PINCAP_KEY(nid));
+        if (!info)
+                return -ENOMEM;
+        info->amp_caps = caps;
+        info->head.val |= INFO_AMP_CAPS;
+        return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps);
+
+/**
  * snd_hda_pin_sense - execute pin sense measurement
  * @codec: the CODEC to sense
  * @nid: the pin NID to sense
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 2e7ac31afa8d..9ed4b0dd6724 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -492,6 +492,8 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
                               unsigned int caps);
 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
+                              unsigned int caps);
 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);