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D43279.1791355134.diff
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D43279.1791355134.diff
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Index: sys/dev/pwm/pwm_backlight.c
===================================================================
--- sys/dev/pwm/pwm_backlight.c
+++ sys/dev/pwm/pwm_backlight.c
@@ -72,7 +72,8 @@
bool enabled;
};
-static int pwm_backlight_find_level_per_percent(struct pwm_backlight_softc *sc, int percent);
+static int pwm_backlight_find_level_per_percent(struct pwm_backlight_softc *sc,
+ int percent);
static struct ofw_compat_data compat_data[] = {
{ "pwm-backlight", 1 },
@@ -123,20 +124,26 @@
if (OF_getencprop(node, "default-brightness-level",
&sc->default_level, sizeof(uint32_t)) <= 0) {
- device_printf(dev, "No default-brightness-level while brightness-levels is specified\n");
+ device_printf(dev, "No default-brightness-level " \
+ " while brightness-levels is specified\n");
return (ENXIO);
} else {
if (sc->default_level > sc->nlevels) {
- device_printf(dev, "default-brightness-level isn't present in brightness-levels range\n");
+ device_printf(dev, "default-brightness-level " \
+ " isn't present in brightness-levels range\n");
return (ENXIO);
}
- sc->channel->duty = sc->channel->period * sc->levels[sc->default_level] / 100;
+ sc->channel->duty = sc->channel->period *
+ sc->levels[sc->default_level] / 100;
}
if (bootverbose) {
- device_printf(dev, "Number of levels: %zd\n", sc->nlevels);
- device_printf(dev, "Configured period time: %ju\n", (uintmax_t)sc->channel->period);
- device_printf(dev, "Default duty cycle: %ju\n", (uintmax_t)sc->channel->duty);
+ device_printf(dev, "Number of levels: %zd\n",
+ sc->nlevels);
+ device_printf(dev, "Configured period time: %ju\n",
+ (uintmax_t)sc->channel->period);
+ device_printf(dev, "Default duty cycle: %ju\n",
+ (uintmax_t)sc->channel->duty);
}
} else {
/* Get the current backlight level */
@@ -147,8 +154,10 @@
if (sc->channel->duty > sc->channel->period)
sc->channel->duty = sc->channel->period;
if (bootverbose) {
- device_printf(dev, "Configured period time: %ju\n", (uintmax_t)sc->channel->period);
- device_printf(dev, "Default duty cycle: %ju\n", (uintmax_t)sc->channel->duty);
+ device_printf(dev, "Configured period time: %ju\n",
+ (uintmax_t)sc->channel->period);
+ device_printf(dev, "Default duty cycle: %ju\n",
+ (uintmax_t)sc->channel->duty);
}
}
@@ -156,11 +165,13 @@
sc->channel->enabled = true;
PWMBUS_CHANNEL_CONFIG(sc->channel->dev, sc->channel->channel,
sc->channel->period, sc->channel->duty);
+ PWMBUS_CHANNEL_SET_FLAGS(sc->channel->dev, sc->channel->channel,
+ sc->channel->flags);
PWMBUS_CHANNEL_ENABLE(sc->channel->dev, sc->channel->channel,
sc->channel->enabled);
sc->current_level = pwm_backlight_find_level_per_percent(sc,
- sc->channel->period / sc->channel->duty);
+ 100 * sc->channel->duty / sc->channel->period);
sc->cdev = backlight_register("pwm_backlight", dev);
if (sc->cdev == NULL)
device_printf(dev, "Cannot register as a backlight\n");
@@ -265,7 +276,8 @@
for (i = 0; i < sc->nlevels; i++)
props->levels[i] = sc->levels[i];
} else {
- props->brightness = sc->channel->duty * 100 / sc->channel->period;
+ props->brightness =
+ sc->channel->duty * 100 / sc->channel->period;
props->nlevels = 0;
}
return (0);

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