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>
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@ -2001,6 +2001,26 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
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}
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EXPORT_SYMBOL_GPL(query_amp_caps);
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/**
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* snd_hda_check_amp_caps - query AMP capabilities
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* @codec: the HD-audio codec
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* @nid: the NID to query
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* @dir: either #HDA_INPUT or #HDA_OUTPUT
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*
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* Check whether the widget has the given amp capability for the direction.
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*/
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bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
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int dir, unsigned int bits)
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{
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if (!nid)
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return false;
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if (get_wcaps(codec, nid) & (1 << (dir + 1)))
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if (query_amp_caps(codec, nid, dir) & bits)
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return true;
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return false;
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}
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EXPORT_SYMBOL_GPL(snd_hda_check_amp_caps);
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/**
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* snd_hda_override_amp_caps - Override the AMP capabilities
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* @codec: the CODEC to clean up
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@ -519,18 +519,6 @@ static unsigned int amp_val_replace_channels(unsigned int val, unsigned int chs)
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return val;
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}
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/* check whether the widget has the given amp capability for the direction */
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static bool check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
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int dir, unsigned int bits)
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{
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if (!nid)
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return false;
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if (get_wcaps(codec, nid) & (1 << (dir + 1)))
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if (query_amp_caps(codec, nid, dir) & bits)
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return true;
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return false;
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}
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static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
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hda_nid_t nid2, int dir)
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{
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@ -540,11 +528,6 @@ static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
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query_amp_caps(codec, nid2, dir));
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}
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#define nid_has_mute(codec, nid, dir) \
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check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
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#define nid_has_volume(codec, nid, dir) \
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check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
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/* look for a widget suitable for assigning a mute switch in the path */
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static hda_nid_t look_for_out_mute_nid(struct hda_codec *codec,
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struct nid_path *path)
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@ -603,6 +603,14 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
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u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
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int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
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unsigned int caps);
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bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
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int dir, unsigned int bits);
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#define nid_has_mute(codec, nid, dir) \
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snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
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#define nid_has_volume(codec, nid, dir) \
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snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
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/* flags for hda_nid_item */
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#define HDA_NID_ITEM_AMP (1<<0)
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