aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/backlight/kb3886_bl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/backlight/kb3886_bl.c')
-rw-r--r--drivers/video/backlight/kb3886_bl.c44
1 files changed, 16 insertions, 28 deletions
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
index 72dd5556a35..84a110a719c 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -34,9 +34,9 @@ static void kb3886_bl_set_intensity(int intensity)
mutex_lock(&bl_mutex);
intensity = intensity&0xff;
outb(KB3886_ADC_DAC_PWM, KB3886_PARENT);
- msleep(10);
+ usleep_range(10000, 11000);
outb(KB3886_PWM0_WRITE, KB3886_IO);
- msleep(10);
+ usleep_range(10000, 11000);
outb(intensity, KB3886_IO);
mutex_unlock(&bl_mutex);
}
@@ -78,7 +78,7 @@ static struct kb3886bl_machinfo *bl_machinfo;
static unsigned long kb3886bl_flags;
#define KB3886BL_SUSPENDED 0x01
-static struct dmi_system_id __initdata kb3886bl_device_table[] = {
+static struct dmi_system_id kb3886bl_device_table[] __initdata = {
{
.ident = "Sahara Touch-iT",
.matches = {
@@ -106,29 +106,28 @@ static int kb3886bl_send_intensity(struct backlight_device *bd)
return 0;
}
-#ifdef CONFIG_PM
-static int kb3886bl_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int kb3886bl_suspend(struct device *dev)
{
- struct backlight_device *bd = platform_get_drvdata(pdev);
+ struct backlight_device *bd = dev_get_drvdata(dev);
kb3886bl_flags |= KB3886BL_SUSPENDED;
backlight_update_status(bd);
return 0;
}
-static int kb3886bl_resume(struct platform_device *pdev)
+static int kb3886bl_resume(struct device *dev)
{
- struct backlight_device *bd = platform_get_drvdata(pdev);
+ struct backlight_device *bd = dev_get_drvdata(dev);
kb3886bl_flags &= ~KB3886BL_SUSPENDED;
backlight_update_status(bd);
return 0;
}
-#else
-#define kb3886bl_suspend NULL
-#define kb3886bl_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(kb3886bl_pm_ops, kb3886bl_suspend, kb3886bl_resume);
+
static int kb3886bl_get_intensity(struct backlight_device *bd)
{
return kb3886bl_intensity;
@@ -142,7 +141,7 @@ static const struct backlight_ops kb3886bl_ops = {
static int kb3886bl_probe(struct platform_device *pdev)
{
struct backlight_properties props;
- struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data;
+ struct kb3886bl_machinfo *machinfo = dev_get_platdata(&pdev->dev);
bl_machinfo = machinfo;
if (!machinfo->limit_mask)
@@ -151,10 +150,10 @@ static int kb3886bl_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = machinfo->max_intensity;
- kb3886_backlight_device = backlight_device_register("kb3886-bl",
- &pdev->dev, NULL,
- &kb3886bl_ops,
- &props);
+ kb3886_backlight_device = devm_backlight_device_register(&pdev->dev,
+ "kb3886-bl", &pdev->dev,
+ NULL, &kb3886bl_ops,
+ &props);
if (IS_ERR(kb3886_backlight_device))
return PTR_ERR(kb3886_backlight_device);
@@ -167,22 +166,11 @@ static int kb3886bl_probe(struct platform_device *pdev)
return 0;
}
-static int kb3886bl_remove(struct platform_device *pdev)
-{
- struct backlight_device *bd = platform_get_drvdata(pdev);
-
- backlight_device_unregister(bd);
-
- return 0;
-}
-
static struct platform_driver kb3886bl_driver = {
.probe = kb3886bl_probe,
- .remove = kb3886bl_remove,
- .suspend = kb3886bl_suspend,
- .resume = kb3886bl_resume,
.driver = {
.name = "kb3886-bl",
+ .pm = &kb3886bl_pm_ops,
},
};