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ecore-drm2: Add internal functions to get backlight values 

Small patch to add an internal function which can be used to retrieve
backlight values on output creation.

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2017-06-06 10:37:01 -04:00
parent 81bcc14615
commit 2f10ce1055
1 changed files with 21 additions and 0 deletions
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21
src/lib/ecore_drm2/ecore_drm2_outputs.c
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@ -466,6 +466,23 @@ err:
}
#endif
static double
_output_backlight_value_get(Ecore_Drm2_Output *output, const char *attr)
{
const char *b = NULL;
double ret = 0.0;
if ((!output) || (!output->backlight.path)) return 0.0;
b = eeze_udev_syspath_get_sysattr(output->backlight.path, attr);
if (!b) return 0.0;
ret = strtod(b, NULL);
if (ret < 0) ret = 0.0;
return ret;
}
static void
_output_backlight_init(Ecore_Drm2_Output *output, unsigned int conn_type)
{
@ -501,6 +518,10 @@ _output_backlight_init(Ecore_Drm2_Output *output, unsigned int conn_type)
{
output->backlight.type = type;
output->backlight.path = eina_stringshare_add(dev);
output->backlight.max =
_output_backlight_value_get(output, "max_brightness");
output->backlight.value =
_output_backlight_value_get(output, "brightness");
}
EINA_LIST_FREE(devs, dev)