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| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-29 16:17:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:16 -0700 |
| commit | 3cd4291aaf4b098d2591a72570a499d1fc9e7e53 (patch) | |
| tree | bfd1c664b419953674a28e725146b53d76a48104 | |
| parent | cf108b5c98e1e7d88ba54667356c4d7a077a75e2 (diff) | |
| download | linux-exynos-3cd4291aaf4b098d2591a72570a499d1fc9e7e53.tar.gz linux-exynos-3cd4291aaf4b098d2591a72570a499d1fc9e7e53.tar.bz2 linux-exynos-3cd4291aaf4b098d2591a72570a499d1fc9e7e53.zip | |
backlight: adp8870: convert adp8870 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>
| -rw-r--r-- | drivers/video/backlight/adp8870_bl.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 7930ab3ff4de..302c8009a7dc 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -947,25 +947,29 @@ static int adp8870_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM -static int adp8870_i2c_suspend(struct i2c_client *client, pm_message_t message) +#ifdef CONFIG_PM_SLEEP +static int adp8870_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8870_clr_bits(client, ADP8870_MDCR, NSTBY); return 0; } -static int adp8870_i2c_resume(struct i2c_client *client) +static int adp8870_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN); return 0; } -#else -#define adp8870_i2c_suspend NULL -#define adp8870_i2c_resume NULL #endif +static SIMPLE_DEV_PM_OPS(adp8870_i2c_pm_ops, adp8870_i2c_suspend, + adp8870_i2c_resume); + static const struct i2c_device_id adp8870_id[] = { { "adp8870", 0 }, { } @@ -974,12 +978,11 @@ MODULE_DEVICE_TABLE(i2c, adp8870_id); static struct i2c_driver adp8870_driver = { .driver = { - .name = KBUILD_MODNAME, + .name = KBUILD_MODNAME, + .pm = &adp8870_i2c_pm_ops, }, .probe = adp8870_probe, .remove = adp8870_remove, - .suspend = adp8870_i2c_suspend, - .resume = adp8870_i2c_resume, .id_table = adp8870_id, }; |