https://bugzilla.kernel.org/show_bug.cgi?id=177101
Bug ID: 177101
Summary: sdhci-acpi: Card detect setup fails on Asus T100HAN
(cherry-trail)
Product: ACPI
Version: 2.5
Kernel Version: 4.8
Hardware: Intel
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: acpi_ot...@kernel-bugs.osdl.org
Reporter: c...@gmx.net
Regression: No
Created attachment 241201
--> https://bugzilla.kernel.org/attachment.cgi?id=241201&action=edit
My .config
On my Asus T100HAN, cherry-trail, sdhci-acpi fails to figure out which
gpio that is the card detect pin. From dmesg:
--
# dmesg |grep sdh
[ 1.293450] sdhci: Secure Digital Host Controller Interface driver
[ 1.295946] sdhci: Copyright(c) Pierre Ossman
[ 2.370378] sdhci-acpi 80860F14:03: GPIO lookup for consumer 80860F14:03 cd
[ 2.370390] sdhci-acpi 80860F14:03: using ACPI for GPIO lookup
[ 2.371059] sdhci-acpi 80860F14:03: lookup for GPIO 80860F14:03 cd failed
[ 2.371070] sdhci-acpi 80860F14:03: failed to setup card detect gpio
--
consumer 80860F14:03 works fine, if I boot with an SD card inserted.
Note, the DSDT must be patched according to:
https://github.com/p-an/T100HA-DSDT/commit/811047e224ac5bcae5922adcb7fdce6570537c96
otherwise neither wlan nor the sd card reader shows up.
In the attached DSDT, search for:
Device (SHC1)
for the configration of the card detect hardware.
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