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Commit 686fb5df authored by MyungJoo Ham's avatar MyungJoo Ham Committed by Chanwoo Choi
Browse files

extcon: fix switch class porting guide (Documentation) 



- Unfinished sentence finished.
- Incorrect description on the compat-mode condition corrected.

Signed-off-by: default avatarMyungJoo Ham <myungjoo.ham@samsung.com>
parent 77438610

Documentation/extcon/porting-android-switch-class

+3 −6
Original line number Diff line number Diff line
@@ -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