Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1....@samsung.com>
---
Changes since v1:
- Remove unnecessary ifdefs.
drivers/video/backlight/ams369fg06.c | 21 ++++++++++-----------
1 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/video/backlight/ams369fg06.c
b/drivers/video/backlight/ams369fg06.c
index d29e494..068194b 100644
--- a/drivers/video/backlight/ams369fg06.c
+++ b/drivers/video/backlight/ams369fg06.c
@@ -535,12 +535,12 @@ static int ams369fg06_remove(struct spi_device *spi)
return 0;
}
-#if defined(CONFIG_PM)
-static int ams369fg06_suspend(struct spi_device *spi, pm_message_t mesg)
+#ifdef CONFIG_PM_SLEEP
+static int ams369fg06_suspend(struct device *dev)
{
- struct ams369fg06 *lcd = spi_get_drvdata(spi);
+ struct ams369fg06 *lcd = dev_get_drvdata(dev);
- dev_dbg(&spi->dev, "lcd->power = %d\n", lcd->power);
+ dev_dbg(dev, "lcd->power = %d\n", lcd->power);
/*
* when lcd panel is suspend, lcd panel becomes off
@@ -549,19 +549,19 @@ static int ams369fg06_suspend(struct spi_device *spi,
pm_message_t mesg)
return ams369fg06_power(lcd, FB_BLANK_POWERDOWN);
}
-static int ams369fg06_resume(struct spi_device *spi)
+static int ams369fg06_resume(struct device *dev)
{
- struct ams369fg06 *lcd = spi_get_drvdata(spi);
+ struct ams369fg06 *lcd = dev_get_drvdata(dev);
lcd->power = FB_BLANK_POWERDOWN;
return ams369fg06_power(lcd, FB_BLANK_UNBLANK);
}
-#else
-#define ams369fg06_suspend NULL
-#define ams369fg06_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(ams369fg06_pm_ops, ams369fg06_suspend,
+ ams369fg06_resume);
+
static void ams369fg06_shutdown(struct spi_device *spi)
{
struct ams369fg06 *lcd = spi_get_drvdata(spi);
@@ -573,12 +573,11 @@ static struct spi_driver ams369fg06_driver = {
.driver = {
.name = "ams369fg06",
.owner = THIS_MODULE,
+ .pm = &ams369fg06_pm_ops,
},
.probe = ams369fg06_probe,
.remove = ams369fg06_remove,
.shutdown = ams369fg06_shutdown,
- .suspend = ams369fg06_suspend,
- .resume = ams369fg06_resume,
};
module_spi_driver(ams369fg06_driver);
--
1.7.2.5
--
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