diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2012-02-14 07:46:49 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@linaro.org> | 2012-02-14 16:02:55 +0100 |
| commit | e294fde406d2f35222aea57b65f5410ca223b430 (patch) | |
| tree | 6767030b2d130a9f1a3de805670740473186f012 | |
| parent | 94c3dc6d32e66edc167ac682cdd25df547e181a4 (diff) | |
input: gpio-keys: Disable hw on suspend
Disable hw if active when suspending if the hw can't wake
the system from suspend.
ST-Ericsson Linux next: -
ST-Ericsson ID: -
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: Ieaf2a2022b23782bc19afa152dc5e3fa5a0024ad
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32721
Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 67df91af842..3181353d17d 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -42,6 +42,8 @@ struct gpio_keys_drvdata { struct input_dev *input; struct mutex disable_lock; unsigned int n_buttons; + bool enabled; + bool enable_after_suspend; int (*enable)(struct device *dev); void (*disable)(struct device *dev); struct gpio_button_data data[0]; @@ -437,6 +439,7 @@ static int gpio_keys_open(struct input_dev *input) { struct gpio_keys_drvdata *ddata = input_get_drvdata(input); + ddata->enabled = true; return ddata->enable ? ddata->enable(input->dev.parent) : 0; } @@ -446,6 +449,7 @@ static void gpio_keys_close(struct input_dev *input) if (ddata->disable) ddata->disable(input->dev.parent); + ddata->enabled = false; } /* @@ -576,6 +580,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) ddata->n_buttons = pdata->nbuttons; ddata->enable = pdata->enable; ddata->disable = pdata->disable; + ddata->enabled = false; mutex_init(&ddata->disable_lock); platform_set_drvdata(pdev, ddata); @@ -707,6 +712,10 @@ static int gpio_keys_suspend(struct device *dev) enable_irq_wake(irq); } } + } else { + ddata->enable_after_suspend = ddata->enabled; + if (ddata->enabled) + gpio_keys_close(ddata->input); } return 0; @@ -727,6 +736,10 @@ static int gpio_keys_resume(struct device *dev) gpio_keys_report_event(&ddata->data[i]); } + + if (!device_may_wakeup(&pdev->dev) && ddata->enable_after_suspend) + gpio_keys_open(ddata->input); + input_sync(ddata->input); return 0; |