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| author |   Jingoo Han <jg1.han@samsung.com> | 2013-04-29 16:17:46 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:17 -0700 |
| commit | a71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c (patch) | |
| tree | ef941486c6cde9e71e60981a45ce4cea31518673 /drivers/video/backlight | |
| parent | backlight: locomolcd: convert locomolcd to dev_pm_ops (diff) | |
| download | linux-dev-a71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c.tar.xz linux-dev-a71ed77b3ac5bb6ce3515fa9d0b9ad2c84919a2c.zip | |
backlight: ltv350qv: convert ltv350qv to dev_pm_ops
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.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/backlight')
| -rw-r--r-- | drivers/video/backlight/ltv350qv.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index c0b4b8f2de98..ed1b39268131 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -271,25 +271,24 @@ static int ltv350qv_remove(struct spi_device *spi) return 0; } -#ifdef CONFIG_PM -static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int ltv350qv_suspend(struct device *dev) { - struct ltv350qv *lcd = spi_get_drvdata(spi); + struct ltv350qv *lcd = dev_get_drvdata(dev); return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); } -static int ltv350qv_resume(struct spi_device *spi) +static int ltv350qv_resume(struct device *dev) { - struct ltv350qv *lcd = spi_get_drvdata(spi); + struct ltv350qv *lcd = dev_get_drvdata(dev); return ltv350qv_power(lcd, FB_BLANK_UNBLANK); } -#else -#define ltv350qv_suspend NULL -#define ltv350qv_resume NULL #endif +static SIMPLE_DEV_PM_OPS(ltv350qv_pm_ops, ltv350qv_suspend, ltv350qv_resume); + /* Power down all displays on reboot, poweroff or halt */ static void ltv350qv_shutdown(struct spi_device *spi) { @@ -302,13 +301,12 @@ static struct spi_driver ltv350qv_driver = { .driver = { .name = "ltv350qv", .owner = THIS_MODULE, + .pm = <v350qv_pm_ops, }, .probe = ltv350qv_probe, .remove = ltv350qv_remove, .shutdown = ltv350qv_shutdown, - .suspend = ltv350qv_suspend, - .resume = ltv350qv_resume, }; module_spi_driver(ltv350qv_driver); |