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Commit 5742a40b authored by Ethan Yonker's avatar Ethan Yonker
Browse files

Allow blacklisting input devices by build flag 

Usage:
TW_INPUT_BLACKLIST := accelerometer
TW_INPUT_BLACKLIST := "accelerometer\x0agyroscope"

This can be used to fix touch input on devices where an input
device is breaking touch processing in TWRP.

We are using new line chars to separate multiple devices and in
the make file you specify the new line character with \x0a which
is the hex code in ASCII for a new line.

The new line character might be a bit of a pain to use as a
delimeter, but it is highly unlikely that an OEM will ever name
an input device with a new line character in the name.

Change-Id: I255136b7a686909a23e649918c661843153c2853
parent e85f02dd

minuitwrp/Android.mk

+4 −0
Original line number Diff line number Diff line
@@ -81,6 +81,10 @@ ifeq ($(TW_IGNORE_MAJOR_AXIS_0), true) 
LOCAL_CFLAGS += -DTW_IGNORE_MAJOR_AXIS_0

endif



ifneq ($(TW_INPUT_BLACKLIST),)

  LOCAL_CFLAGS += -DTW_INPUT_BLACKLIST=$(TW_INPUT_BLACKLIST)

endif



ifneq ($(BOARD_USE_CUSTOM_RECOVERY_FONT),)

  LOCAL_CFLAGS += -DBOARD_USE_CUSTOM_RECOVERY_FONT=$(BOARD_USE_CUSTOM_RECOVERY_FONT)

else

minuitwrp/events.c

+16 −1
Original line number Diff line number Diff line
@@ -173,11 +173,26 @@ static int vk_init(struct ev *e) 
        e->ignored = 1;

    }

#else

#ifndef TW_INPUT_BLACKLIST

    // Blacklist these "input" devices

    if (strcmp(e->deviceName, "bma250") == 0 || strcmp(e->deviceName, "bma150") == 0 || strcmp(e->deviceName, "accelerometer") == 0)

    if (strcmp(e->deviceName, "bma250") == 0 || strcmp(e->deviceName, "bma150") == 0) == 0)

    {

        printf("blacklisting %s input device\n", e->deviceName);

        e->ignored = 1;

    }

#else

    char* bl = strdup(EXPAND(TW_INPUT_BLACKLIST));

    char* blacklist = strtok(bl, "\n");



    while (blacklist != NULL) {

        if (strcmp(e->deviceName, blacklist) == 0) {

            printf("blacklisting %s input device\n", blacklist);

            e->ignored = 1;

        }

        blacklist = strtok(NULL, "\n");

    }

    free(bl);

#endif

#endif



    strcat(vk_path, e->deviceName);