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Message-id: <000401ce2b7c$e41bcf90$ac536eb0$%han@samsung.com>
Date: Thu, 28 Mar 2013 15:24:24 +0900
From: Jingoo Han <jg1.han@...sung.com>
To: 'Andrew Morton' <akpm@...ux-foundation.org>
Cc: 'LKML' <linux-kernel@...r.kernel.org>,
'Richard Purdie' <rpurdie@...ys.net>,
'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 3/3] backlight: vgg2432a4: convert vgg2432a4_driver to
dev_pm_ops
Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management. Also, use of
pm_message_t is deprecated. Thus, it is removed.
Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
drivers/video/backlight/ili9320.c | 24 +++++++++---------------
drivers/video/backlight/ili9320.h | 2 +-
drivers/video/backlight/vgg2432a4.c | 18 ++++++++----------
3 files changed, 18 insertions(+), 26 deletions(-)
diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c
index 1235bf9..f5edbbe 100644
--- a/drivers/video/backlight/ili9320.c
+++ b/drivers/video/backlight/ili9320.c
@@ -270,27 +270,21 @@ int ili9320_remove(struct ili9320 *ili)
}
EXPORT_SYMBOL_GPL(ili9320_remove);
-#ifdef CONFIG_PM
-int ili9320_suspend(struct ili9320 *lcd, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+int ili9320_suspend(struct ili9320 *lcd)
{
int ret;
- dev_dbg(lcd->dev, "%s: event %d\n", __func__, state.event);
+ ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
- if (state.event == PM_EVENT_SUSPEND) {
- ret = ili9320_power(lcd, FB_BLANK_POWERDOWN);
-
- if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
- ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
- ILI9320_POWER1_SLP |
- ILI9320_POWER1_DSTB);
- lcd->initialised = 0;
- }
-
- return ret;
+ if (lcd->platdata->suspend == ILI9320_SUSPEND_DEEP) {
+ ili9320_write(lcd, ILI9320_POWER1, lcd->power1 |
+ ILI9320_POWER1_SLP |
+ ILI9320_POWER1_DSTB);
+ lcd->initialised = 0;
}
- return 0;
+ return ret;
}
EXPORT_SYMBOL_GPL(ili9320_suspend);
diff --git a/drivers/video/backlight/ili9320.h b/drivers/video/backlight/ili9320.h
index e0db738..42329e7 100644
--- a/drivers/video/backlight/ili9320.h
+++ b/drivers/video/backlight/ili9320.h
@@ -76,5 +76,5 @@ extern void ili9320_shutdown(struct ili9320 *lcd);
/* PM */
-extern int ili9320_suspend(struct ili9320 *lcd, pm_message_t state);
+extern int ili9320_suspend(struct ili9320 *lcd);
extern int ili9320_resume(struct ili9320 *lcd);
diff --git a/drivers/video/backlight/vgg2432a4.c b/drivers/video/backlight/vgg2432a4.c
index 84d582f..d538947 100644
--- a/drivers/video/backlight/vgg2432a4.c
+++ b/drivers/video/backlight/vgg2432a4.c
@@ -205,18 +205,15 @@ static int vgg2432a4_lcd_init(struct ili9320 *lcd,
return ret;
}
-#ifdef CONFIG_PM
-static int vgg2432a4_suspend(struct spi_device *spi, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int vgg2432a4_suspend(struct device *dev)
{
- return ili9320_suspend(spi_get_drvdata(spi), state);
+ return ili9320_suspend(dev_get_drvdata(dev));
}
-static int vgg2432a4_resume(struct spi_device *spi)
+static int vgg2432a4_resume(struct device *dev)
{
- return ili9320_resume(spi_get_drvdata(spi));
+ return ili9320_resume(dev_get_drvdata(dev));
}
-#else
-#define vgg2432a4_suspend NULL
-#define vgg2432a4_resume NULL
#endif
static struct ili9320_client vgg2432a4_client = {
@@ -249,16 +246,17 @@ static void vgg2432a4_shutdown(struct spi_device *spi)
ili9320_shutdown(spi_get_drvdata(spi));
}
+static SIMPLE_DEV_PM_OPS(vgg2432a4_pm_ops, vgg2432a4_suspend, vgg2432a4_resume);
+
static struct spi_driver vgg2432a4_driver = {
.driver = {
.name = "VGG2432A4",
.owner = THIS_MODULE,
+ .pm = &vgg2432a4_pm_ops,
},
.probe = vgg2432a4_probe,
.remove = vgg2432a4_remove,
.shutdown = vgg2432a4_shutdown,
- .suspend = vgg2432a4_suspend,
- .resume = vgg2432a4_resume,
};
module_spi_driver(vgg2432a4_driver);
--
1.7.2.5
--
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