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path: root/drivers/video/backlight/da9052_bl.c
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Diffstat (limited to 'drivers/video/backlight/da9052_bl.c')
-rw-r--r--drivers/video/backlight/da9052_bl.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
index b628d68f516..20d55becaa7 100644
--- a/drivers/video/backlight/da9052_bl.c
+++ b/drivers/video/backlight/da9052_bl.c
@@ -34,7 +34,7 @@ enum {
DA9052_TYPE_WLED3,
};
-static unsigned char wled_bank[] = {
+static const unsigned char wled_bank[] = {
DA9052_LED1_CONF_REG,
DA9052_LED2_CONF_REG,
DA9052_LED3_CONF_REG,
@@ -72,7 +72,7 @@ static int da9052_adjust_wled_brightness(struct da9052_bl *wleds)
if (ret < 0)
return ret;
- msleep(10);
+ usleep_range(10000, 11000);
if (wleds->brightness) {
ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],
@@ -125,11 +125,11 @@ static int da9052_backlight_probe(struct platform_device *pdev)
props.type = BACKLIGHT_RAW;
props.max_brightness = DA9052_MAX_BRIGHTNESS;
- bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds,
- &da9052_backlight_ops, &props);
+ bl = devm_backlight_device_register(&pdev->dev, pdev->name,
+ wleds->da9052->dev, wleds,
+ &da9052_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "Failed to register backlight\n");
- devm_kfree(&pdev->dev, wleds);
return PTR_ERR(bl);
}
@@ -148,8 +148,6 @@ static int da9052_backlight_remove(struct platform_device *pdev)
wleds->brightness = 0;
wleds->state = DA9052_WLEDS_OFF;
da9052_adjust_wled_brightness(wleds);
- backlight_device_unregister(bl);
- devm_kfree(&pdev->dev, wleds);
return 0;
}