From: Michael Hennerich <michael.hennerich@xxxxxxxxxx> Fix Bug: does nor properply resume after suspend mem Fix for PM_SUSPEND_MEM: Save and restore peripheral base registers Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx> --- drivers/input/keyboard/bf54x-keys.c | 13 ++++++++++++- 1 files changed, 12 insertions(+), 1 deletions(-) diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c index 54ed8e2..f1d2081 100644 --- a/drivers/input/keyboard/bf54x-keys.c +++ b/drivers/input/keyboard/bf54x-keys.c @@ -8,7 +8,7 @@ * * * Modified: - * Copyright 2007 Analog Devices Inc. + * Copyright 2007-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -82,6 +82,9 @@ struct bf54x_kpad { unsigned short *keycode; struct timer_list timer; unsigned int keyup_test_jiffies; + unsigned short kpad_msel; + unsigned short kpad_prescale; + unsigned short kpad_ctl; }; static inline int bfin_kpad_find_key(struct bf54x_kpad *bf54x_kpad, @@ -361,6 +364,10 @@ static int bfin_kpad_suspend(struct platform_device *pdev, pm_message_t state) { struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev); + bf54x_kpad->kpad_msel = bfin_read_KPAD_MSEL(); + bf54x_kpad->kpad_prescale = bfin_read_KPAD_PRESCALE(); + bf54x_kpad->kpad_ctl = bfin_read_KPAD_CTL(); + if (device_may_wakeup(&pdev->dev)) enable_irq_wake(bf54x_kpad->irq); @@ -371,6 +378,10 @@ static int bfin_kpad_resume(struct platform_device *pdev) { struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev); + bfin_write_KPAD_MSEL(bf54x_kpad->kpad_msel); + bfin_write_KPAD_PRESCALE(bf54x_kpad->kpad_prescale); + bfin_write_KPAD_CTL(bf54x_kpad->kpad_ctl); + if (device_may_wakeup(&pdev->dev)) disable_irq_wake(bf54x_kpad->irq); -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
