jornada_ssp_end();
- return (BL_MAX_BRIGHT - ret);
+ return BL_MAX_BRIGHT - ret;
}
static int jornada_bl_update_status(struct backlight_device *bd)
jornada_ssp_start();
/* If backlight is off then really turn it off */
- if ((bd->props.power != FB_BLANK_UNBLANK) || (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
+ if ((bd->props.power != FB_BLANK_UNBLANK) ||
+ (bd->props.fb_blank != FB_BLANK_UNBLANK)) {
ret = jornada_ssp_byte(BRIGHTNESSOFF);
if (ret != TXDUMMY) {
pr_info("brightness off timeout\n");
goto out;
}
- /* at this point we expect that the mcu has accepted
- our command and is waiting for our new value
- please note that maximum brightness is 255,
- but due to physical layout it is equal to 0, so we simply
- invert the value (MAX VALUE - NEW VALUE). */
- if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness) != TXDUMMY) {
+ /*
+ * at this point we expect that the mcu has accepted
+ * our command and is waiting for our new value
+ * please note that maximum brightness is 255,
+ * but due to physical layout it is equal to 0, so we simply
+ * invert the value (MAX VALUE - NEW VALUE).
+ */
+ if (jornada_ssp_byte(BL_MAX_BRIGHT - bd->props.brightness)
+ != TXDUMMY) {
pr_err("set brightness failed\n");
ret = -ETIMEDOUT;
}
- /* If infact we get an TXDUMMY as output we are happy and dont
- make any further comments about it */
+ /*
+ * If infact we get an TXDUMMY as output we are happy and dont
+ * make any further comments about it
+ */
out:
jornada_ssp_end();
bd->props.power = FB_BLANK_UNBLANK;
bd->props.brightness = BL_DEF_BRIGHT;
- /* note. make sure max brightness is set otherwise
- you will get seemingly non-related errors when
- trying to change brightness */
+ /*
+ * note. make sure max brightness is set otherwise
+ * you will get seemingly non-related errors when
+ * trying to change brightness
+ */
jornada_bl_update_status(bd);
platform_set_drvdata(pdev, bd);