diff options
Diffstat (limited to 'drivers/input/touchscreen/wm97xx-core.c')
-rw-r--r-- | drivers/input/touchscreen/wm97xx-core.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index 45ce89467c16..78d2ee99f37a 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -806,23 +806,25 @@ static int __maybe_unused wm97xx_suspend(struct device *dev) else suspend_mode = 0; - if (wm->input_dev->users) + mutex_lock(&wm->input_dev->mutex); + if (input_device_enabled(wm->input_dev)) cancel_delayed_work_sync(&wm->ts_reader); /* Power down the digitiser (bypassing the cache for resume) */ reg = wm97xx_reg_read(wm, AC97_WM97XX_DIGITISER2); reg &= ~WM97XX_PRP_DET_DIG; - if (wm->input_dev->users) + if (input_device_enabled(wm->input_dev)) reg |= suspend_mode; wm->ac97->bus->ops->write(wm->ac97, AC97_WM97XX_DIGITISER2, reg); /* WM9713 has an additional power bit - turn it off if there * are no users or if suspend mode is zero. */ if (wm->id == WM9713_ID2 && - (!wm->input_dev->users || !suspend_mode)) { + (!input_device_enabled(wm->input_dev) || !suspend_mode)) { reg = wm97xx_reg_read(wm, AC97_EXTENDED_MID) | 0x8000; wm97xx_reg_write(wm, AC97_EXTENDED_MID, reg); } + mutex_unlock(&wm->input_dev->mutex); return 0; } @@ -831,11 +833,12 @@ static int __maybe_unused wm97xx_resume(struct device *dev) { struct wm97xx *wm = dev_get_drvdata(dev); + mutex_lock(&wm->input_dev->mutex); /* restore digitiser and gpios */ if (wm->id == WM9713_ID2) { wm97xx_reg_write(wm, AC97_WM9713_DIG1, wm->dig[0]); wm97xx_reg_write(wm, 0x5a, wm->misc); - if (wm->input_dev->users) { + if (input_device_enabled(wm->input_dev)) { u16 reg; reg = wm97xx_reg_read(wm, AC97_EXTENDED_MID) & 0x7fff; wm97xx_reg_write(wm, AC97_EXTENDED_MID, reg); @@ -852,11 +855,12 @@ static int __maybe_unused wm97xx_resume(struct device *dev) wm97xx_reg_write(wm, AC97_GPIO_STATUS, wm->gpio[4]); wm97xx_reg_write(wm, AC97_MISC_AFE, wm->gpio[5]); - if (wm->input_dev->users && !wm->pen_irq) { + if (input_device_enabled(wm->input_dev) && !wm->pen_irq) { wm->ts_reader_interval = wm->ts_reader_min_interval; queue_delayed_work(wm->ts_workq, &wm->ts_reader, wm->ts_reader_interval); } + mutex_unlock(&wm->input_dev->mutex); return 0; } |