diff options
Diffstat (limited to 'Documentation/extcon/porting-android-switch-class')
-rw-r--r-- | Documentation/extcon/porting-android-switch-class | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/Documentation/extcon/porting-android-switch-class b/Documentation/extcon/porting-android-switch-class index 5377f6317961..49c81caef84d 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. | |||
50 | Extcon's extended features for switch device drivers with | 50 | Extcon's extended features for switch device drivers with |
51 | complex features usually required magic numbers in state | 51 | complex features usually required magic numbers in state |
52 | value of switch_dev. With extcon, such magic numbers that | 52 | value of switch_dev. With extcon, such magic numbers that |
53 | support multiple cables ( | 53 | support multiple cables are no more required or supported. |
54 | 54 | ||
55 | 1. Define cable names at edev->supported_cable. | 55 | 1. Define cable names at edev->supported_cable. |
56 | 2. (Recommended) remove print_state callback. | 56 | 2. (Recommended) remove print_state callback. |
@@ -114,11 +114,8 @@ exclusive, the two cables cannot be in ATTACHED state simulteneously. | |||
114 | 114 | ||
115 | ****** ABI Location | 115 | ****** ABI Location |
116 | 116 | ||
117 | If "CONFIG_ANDROID" is enabled and "CONFIG_ANDROID_SWITCH" is | 117 | If "CONFIG_ANDROID" is enabled, /sys/class/switch/* are created |
118 | disabled, /sys/class/switch/* are created as symbolic links to | 118 | as symbolic links to /sys/class/extcon/*. |
119 | /sys/class/extcon/*. Because CONFIG_ANDROID_SWITCH creates | ||
120 | /sys/class/switch directory, we disable symboling linking if | ||
121 | CONFIG_ANDROID_SWITCH is enabled. | ||
122 | 119 | ||
123 | The two files of switch class, name and state, are provided with | 120 | The two files of switch class, name and state, are provided with |
124 | extcon, too. When the multistate support (STEP 2 of CHAPTER 1.) is | 121 | extcon, too. When the multistate support (STEP 2 of CHAPTER 1.) is |