Vani Ganji has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/35961 )
Change subject: Mic_Bias voltage changed to 2.9V for Earpods Mic ......................................................................
Mic_Bias voltage changed to 2.9V for Earpods Mic
Earpods Mic is not working with 2.6Volts and it requires a volatge greater than 2.7Volts.
BUG=b:134361881
Change-Id: Iceb62d4940a1d93404dc3f69884c1289f462f587 Signed-off-by: Vani Ganji vani.ganji@intel.com --- M src/mainboard/google/poppy/variants/atlas/devicetree.cb 1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/61/35961/1
diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb index ac86e79..b42313f 100644 --- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb +++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb @@ -347,7 +347,7 @@ register "c_mic_btn_thr" = "0x3e" register "btn_avg" = "4" register "adc_1bit_rpt" = "1" - register "micbias_lvl" = "2600" + register "micbias_lvl" = "2900" register "mic_amp_in_sel" = ""diff"" device i2c 1a on end end