This is a note to let you know that I've just added the patch titled
ASoC: da7219: Support low DC impedance headset
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-da7219-support-low-dc-impedance-headset.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 414abbffbe6fe47d1f9180dc36a3d2d014d65487
Author: David Rau <David.Rau.opensource@xxxxxxxxxxxxxx>
Date: Fri Dec 1 12:29:33 2023 +0800
ASoC: da7219: Support low DC impedance headset
[ Upstream commit 5f44de697383fcc9a9a1a78f99e09d1838704b90 ]
Change the default MIC detection impedance threshold to 200ohm
to support low mic DC impedance headset.
Signed-off-by: David Rau <David.Rau.opensource@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20231201042933.26392-1-David.Rau.opensource@xxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index befe26749bc2..e4e314604c0a 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -655,7 +655,7 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component
aad_pdata->mic_det_thr =
da7219_aad_fw_mic_det_thr(component, fw_val32);
else
- aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS;
+ aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_200_OHMS;
if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &fw_val32) >= 0)
aad_pdata->jack_ins_deb =
