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Commit f68b3b29 authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Check the external mic pin more strictly for Conexant chips 



The external mic jack for auto-mic switch must be really an external
jack and with a presense-detection capability.  This patch makes the
check more paranoia.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 99ae28be

sound/pci/hda/patch_conexant.c

+2 −1
Original line number Diff line number Diff line
@@ -3475,7 +3475,8 @@ static int is_ext_mic(struct hda_codec *codec, hda_nid_t pin) 
{

	unsigned int def_conf = snd_hda_codec_get_pincfg(codec, pin);

	return get_defcfg_device(def_conf) == AC_JACK_MIC_IN &&

		snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT;

		snd_hda_get_input_pin_attr(def_conf) >= INPUT_PIN_ATTR_NORMAL &&

		(snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_PRES_DETECT);

}



/* check whether the pin config is suitable for auto-mic switching;