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| author | Arun Kumar K.R <akumarkr@codeaurora.org> | 2017-08-23 13:46:03 +0530 |
|---|---|---|
| committer | Arun Kumar K.R <akumarkr@codeaurora.org> | 2017-08-23 16:04:54 +0530 |
| commit | 9ae5a34d17b1134b0dd88457d3efe4745ee4e1fe (patch) | |
| tree | fd4fd8d9f136c3f7bc6492275ae9623606158e23 /liblight | |
| parent | edd9998668309a11b5e605f9e22e05827b4cfeb1 (diff) | |
| download | android_hardware_qcom_sdm710_display-9ae5a34d17b1134b0dd88457d3efe4745ee4e1fe.tar.gz android_hardware_qcom_sdm710_display-9ae5a34d17b1134b0dd88457d3efe4745ee4e1fe.tar.bz2 android_hardware_qcom_sdm710_display-9ae5a34d17b1134b0dd88457d3efe4745ee4e1fe.zip | |
liblights: Enable button backlight conditionally
Check for the existence of button backlight node before
enabling that in the HAL.
Change-Id: I66828d67dbabffdb694da55d4a3d12246fb7a66f
Crs-fixed: 2093165
Diffstat (limited to 'liblight')
| -rw-r--r-- | liblight/lights.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/liblight/lights.c b/liblight/lights.c index 3b5068cf..15db827b 100644 --- a/liblight/lights.c +++ b/liblight/lights.c @@ -361,8 +361,14 @@ static int open_lights(const struct hw_module_t* module, char const* name, set_light = set_light_battery; 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_BUTTONS, name)) { + if (!access(BUTTON_FILE, F_OK)) { + // enable light button when the file is present + set_light = set_light_buttons; + } else { + return -EINVAL; + } + } else if (0 == strcmp(LIGHT_ID_ATTENTION, name)) set_light = set_light_attention; else |