[PATCH AUTOSEL 5.4 09/12] ASoC: da7219: Support low DC impedance headset

From: Sasha Levin
Date: Mon Dec 11 2023 - 09:05:16 EST


From: David Rau <David.Rau.opensource@xxxxxxxxxxxxxx>

[ 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>
---
sound/soc/codecs/da7219-aad.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index befe26749bc2b..e4e314604c0a1 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 =
--
2.42.0