https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/patch/sound/pci/hda?id=b016951e897b5bd06abfb732012f67b461fb1e2e
if none of those headset model work, you have to compile the driver in
debug mode since only the debug version show headset type
static void alc_determine_headset_type(struct hda_codec *codec)
{
int val;
bool is_ctia = false;
struct alc_spec *spec = codec->spec;
switch (codec->core.vendor_id) {
case 0x10ec0233:
case 0x10ec0283:
alc_write_coef_idx(codec, 0x45, 0xd029);
msleep(300);
val = alc_read_coef_idx(codec, 0x46);
is_ctia = (val & 0x0070) == 0x0070;
break;
}
codec_dbg(codec, "Headset jack detected iPhone-style headset: %s\n",
is_ctia ? "yes" : "no");
spec->current_headset_type = is_ctia ? ALC_HEADSET_TYPE_CTIA :
ALC_HEADSET_TYPE_OMTP;
}
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1487702
Title:
[SATELLITE C50-B, Realtek ALC233, Mic, Internal] No autoswitch
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