From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 15 Aug 2011 10:49:07 +0000 (+0200)
Subject: ALSA: hda - Add snd_hda_override_pin_caps() helper function
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f57c25650b9f011290539a888d9df0e5dd3ce9f7;p=linux-beck.git

ALSA: hda - Add snd_hda_override_pin_caps() helper function

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

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
@@ -1692,6 +1692,29 @@ 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
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);