ALSA: hda - Move the function "check_amp_caps" to hda_codec.c
The next patch will use it, so make it visible across modules.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
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 0aa2e1e..15e0089 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2002,6 +2002,26 @@
EXPORT_SYMBOL_GPL(query_amp_caps);
/**
+ * snd_hda_check_amp_caps - query AMP capabilities
+ * @codec: the HD-audio codec
+ * @nid: the NID to query
+ * @dir: either #HDA_INPUT or #HDA_OUTPUT
+ *
+ * Check whether the widget has the given amp capability for the direction.
+ */
+bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
+ int dir, unsigned int bits)
+{
+ if (!nid)
+ return false;
+ if (get_wcaps(codec, nid) & (1 << (dir + 1)))
+ if (query_amp_caps(codec, nid, dir) & bits)
+ return true;
+ return false;
+}
+EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
+
+/**
* snd_hda_override_amp_caps - Override the AMP capabilities
* @codec: the CODEC to clean up
* @nid: the NID to clean up