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liblight: remove button light.

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The file /sys/class/leds/button-backlight/brightness isn't
created/exposed by the kernel.

Bug: 36097008
Test: LightHidlTest.TestSupported now passes.
Change-Id: If2e036cfa9fdb36596bc0820480072fde7591112
This commit is contained in:
Steven Moreland
2016-12-29 11:12:03 -08:00
parent 22ca167f43
commit 2d06d3d446
1 changed files with 0 additions and 19 deletions
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19
liblight/lights.c
View File

@@ -62,9 +62,6 @@ char const*const LCD_FILE
char const*const PERSISTENCE_FILE
= "/sys/class/leds/lcd-backlight/low_persistence";
char const*const BUTTON_FILE
= "/sys/class/leds/button-backlight/brightness";
char const*const RED_BLINK_FILE
= "/sys/class/leds/red/blink";
@@ -313,20 +310,6 @@ set_light_attention(struct light_device_t* dev,
return 0;
}
static int
set_light_buttons(struct light_device_t* dev,
struct light_state_t const* state)
{
int err = 0;
if(!dev) {
return -1;
}
pthread_mutex_lock(&g_lock);
err = write_int(BUTTON_FILE, state->color & 0xFF);
pthread_mutex_unlock(&g_lock);
return err;
}
/** Close the lights device */
static int
close_lights(struct light_device_t *dev)
@@ -359,8 +342,6 @@ static int open_lights(const struct hw_module_t* module, char const* name,
#endif
else if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name))
set_light = set_light_notifications;
else if (0 == strcmp(LIGHT_ID_BUTTONS, name))
set_light = set_light_buttons;
else if (0 == strcmp(LIGHT_ID_ATTENTION, name))
set_light = set_light_attention;
else