diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/chips/pcf50633.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c index c148ea7191e..82ee2f0bf16 100644 --- a/drivers/i2c/chips/pcf50633.c +++ b/drivers/i2c/chips/pcf50633.c @@ -2230,6 +2230,20 @@ static int pcf50633_suspend(struct device *dev, pm_message_t state) return 0; } + +int pcf50633_ready(struct pcf50633_data *pcf) +{ + if (!pcf) + return -EBUSY; + + if (pcf->have_been_suspended) + return -EBUSY; + + return 0; +} +EXPORT_SYMBOL_GPL(pcf50633_ready); + + /* * if backlight resume is selected to be deferred by platform, then it * can call this to finally reset backlight status (after LCM is resumed |