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| author | taeyoung <ty317.kim@samsung.com> | 2016-07-07 10:18:22 +0900 |
|---|---|---|
| committer | taeyoung <ty317.kim@samsung.com> | 2016-07-07 10:19:07 +0900 |
| commit | 618a9cd21db354460ed234335f7b93ef95ca114b (patch) | |
| tree | 6c100c608e00753f106e2debac347f483b9a33b2 | |
| parent | 6a4892a96d489ecb727dc9ca92e6a54cc601b581 (diff) | |
| download | device-tm1-618a9cd21db354460ed234335f7b93ef95ca114b.tar.gz device-tm1-618a9cd21db354460ed234335f7b93ef95ca114b.tar.bz2 device-tm1-618a9cd21db354460ed234335f7b93ef95ca114b.zip | |
display: return raw brightness value
- The brightness value from driver is returned to device daemon.
device daemon will calculate it for users
Change-Id: I2b08ae36fdb9c96e07089e74e2a4a6e4bcb4972c
Signed-off-by: taeyoung <ty317.kim@samsung.com>
| -rw-r--r-- | hw/display/display.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/hw/display/display.c b/hw/display/display.c index 020eb33..75858fe 100644 --- a/hw/display/display.c +++ b/hw/display/display.c @@ -30,7 +30,7 @@ #define BACKLIGHT_PATH "/sys/class/backlight/panel" #endif -static int get_max_brightness(int *val) +static int display_get_max_brightness(int *val) { static int max = -1; int r; @@ -69,23 +69,22 @@ static int display_get_brightness(int *brightness) static int display_set_brightness(int brightness) { - int r, v, max; + int r, max; - if (brightness < 0 || brightness > 100) { - _E("wrong parameter"); - return -EINVAL; - } - - r = get_max_brightness(&max); + r = display_get_max_brightness(&max); if (r < 0) { - _E("fail to get max brightness : %d", r); + _E("fail to get max brightness (errno:%d)", r); return r; } - v = brightness/100.f*max; - r = sys_set_int(BACKLIGHT_PATH"/brightness", v); + if (brightness < 0 || brightness > max) { + _E("wrong parameter"); + return -EINVAL; + } + + r = sys_set_int(BACKLIGHT_PATH"/brightness", brightness); if (r < 0) { - _E("fail to set brightness : %d", r); + _E("fail to set brightness (errno:%d)", r); return r; } @@ -105,6 +104,7 @@ static int display_open(struct hw_info *info, return -ENOMEM; display_dev->common.info = info; + display_dev->get_max_brightness = display_get_max_brightness; display_dev->get_brightness = display_get_brightness; display_dev->set_brightness = display_set_brightness; |