commit | 053c901548b751dd10eeae5e0afae8359290bede | [log] [tgz] |
---|---|---|
author | Terry Cheong <htcheong@chromium.org> | Tue Dec 12 11:04:33 2023 +0800 |
committer | Felix Held <felix-coreboot@felixheld.de> | Fri Dec 15 11:27:34 2023 +0000 |
tree | 87133101bd67bc5e15bee9ec5d6d9a3856069f54 | |
parent | 77f1062e77b7d6d8605b67fc9479457a4abde22f [diff] [blame] |
mb/google: Reduce DA7219 mic detect threshold to 200ohm The original DA7219 is designed to use a 500ohm mic detection threshold. Some headset mics (e.g. Logitech H111) have a lower DC impedance that is lower than the threshold and thus cannot be detected. Lower the threshold to 200ohm to match the new default value provided by Renasas as in https://patchwork.kernel.org/project/alsa-devel/patch/20231201042933.26392-1-David.Rau.opensource@dm.renesas.com/ to support such headsets. BUG=b:314062160,b:308207450 Change-Id: I6415e84a4622e0c61bc74b94536fe734048a043f Signed-off-by: Terry Cheong <htcheong@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79436 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <ericllai@google.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb index bc2d4a0..8a3d4fd 100644 --- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb +++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -329,7 +329,7 @@ chip drivers/i2c/da7219 register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D9_IRQ)" register "btn_cfg" = "50" - register "mic_det_thr" = "500" + register "mic_det_thr" = "200" register "jack_ins_deb" = "20" register "jack_det_rate" = ""32ms_64ms"" register "jack_rem_deb" = "1"