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-rw-r--r--Documentation/extcon/porting-android-switch-class9
1 files changed, 3 insertions, 6 deletions
diff --git a/Documentation/extcon/porting-android-switch-class b/Documentation/extcon/porting-android-switch-class
index 5377f631796..49c81caef84 100644
--- a/Documentation/extcon/porting-android-switch-class
+++ b/Documentation/extcon/porting-android-switch-class
@@ -50,7 +50,7 @@ so that they are still compatible with legacy userspace processes.
Extcon's extended features for switch device drivers with
complex features usually required magic numbers in state
value of switch_dev. With extcon, such magic numbers that
- support multiple cables (
+ support multiple cables are no more required or supported.
1. Define cable names at edev->supported_cable.
2. (Recommended) remove print_state callback.
@@ -114,11 +114,8 @@ exclusive, the two cables cannot be in ATTACHED state simulteneously.
****** ABI Location
- If "CONFIG_ANDROID" is enabled and "CONFIG_ANDROID_SWITCH" is
-disabled, /sys/class/switch/* are created as symbolic links to
-/sys/class/extcon/*. Because CONFIG_ANDROID_SWITCH creates
-/sys/class/switch directory, we disable symboling linking if
-CONFIG_ANDROID_SWITCH is enabled.
+ If "CONFIG_ANDROID" is enabled, /sys/class/switch/* are created
+as symbolic links to /sys/class/extcon/*.
The two files of switch class, name and state, are provided with
extcon, too. When the multistate support (STEP 2 of CHAPTER 1.) is