diff options
| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-02-24 20:31:04 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-02-24 20:33:45 +0100 |
| commit | 109d28152b6e9d5de64cd23e3bc08885ccb3d1ef (patch) | |
| tree | b7b8863faa05254781acfb85cc41da3eef467c6b /drivers/input/keyboard/matrix_keypad.c | |
| parent | 168cf9af699e87d5a6f44b684583714ecabb8e71 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
Merge tag 'v2.6.33' for its firewire changes since last branch point
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/input/keyboard/matrix_keypad.c')
| -rw-r--r-- | drivers/input/keyboard/matrix_keypad.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 34f4a29d497..d3c8b61a941 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -29,11 +29,13 @@ struct matrix_keypad { unsigned short *keycodes; unsigned int row_shift; + DECLARE_BITMAP(disabled_gpios, MATRIX_MAX_ROWS); + uint32_t last_key_state[MATRIX_MAX_COLS]; struct delayed_work work; + spinlock_t lock; bool scan_pending; bool stopped; - spinlock_t lock; }; /* @@ -222,9 +224,16 @@ static int matrix_keypad_suspend(struct device *dev) matrix_keypad_stop(keypad->input_dev); - if (device_may_wakeup(&pdev->dev)) - for (i = 0; i < pdata->num_row_gpios; i++) - enable_irq_wake(gpio_to_irq(pdata->row_gpios[i])); + if (device_may_wakeup(&pdev->dev)) { + for (i = 0; i < pdata->num_row_gpios; i++) { + if (!test_bit(i, keypad->disabled_gpios)) { + unsigned int gpio = pdata->row_gpios[i]; + + if (enable_irq_wake(gpio_to_irq(gpio)) == 0) + __set_bit(i, keypad->disabled_gpios); + } + } + } return 0; } @@ -236,9 +245,15 @@ static int matrix_keypad_resume(struct device *dev) const struct matrix_keypad_platform_data *pdata = keypad->pdata; int i; - if (device_may_wakeup(&pdev->dev)) - for (i = 0; i < pdata->num_row_gpios; i++) - disable_irq_wake(gpio_to_irq(pdata->row_gpios[i])); + if (device_may_wakeup(&pdev->dev)) { + for (i = 0; i < pdata->num_row_gpios; i++) { + if (test_and_clear_bit(i, keypad->disabled_gpios)) { + unsigned int gpio = pdata->row_gpios[i]; + + disable_irq_wake(gpio_to_irq(gpio)); + } + } + } matrix_keypad_start(keypad->input_dev); |