diff options
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r-- | drivers/input/keyboard/Kconfig | 1 | ||||
-rw-r--r-- | drivers/input/keyboard/pxa27x_keypad.c | 3 | ||||
-rw-r--r-- | drivers/input/keyboard/samsung-keypad.c | 11 |
3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b4b65af..de08740 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO config KEYBOARD_LPC32XX tristate "LPC32XX matrix key scanner support" depends on ARCH_LPC32XX && OF + select INPUT_MATRIXKMAP help Say Y here if you want to use NXP LPC32XX SoC key scanner interface, connected to a key matrix. diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 803ff6f..cad9d5d 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad) unsigned int mask = 0, direct_key_num = 0; unsigned long kpc = 0; + /* clear pending interrupt bit */ + keypad_readl(KPC); + /* enable matrix keys with automatic scan */ if (pdata->matrix_key_rows && pdata->matrix_key_cols) { kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL; diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index 277e26d..9d7a111 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -431,6 +431,12 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev) goto err_unmap_base; } + error = clk_prepare(keypad->clk); + if (error) { + dev_err(&pdev->dev, "keypad clock prepare failed\n"); + goto err_put_clk; + } + keypad->input_dev = input_dev; keypad->pdev = pdev; keypad->row_shift = row_shift; @@ -461,7 +467,7 @@ static int __devinit samsung_keypad_probe(struct platform_device *pdev) keypad->keycodes, input_dev); if (error) { dev_err(&pdev->dev, "failed to build keymap\n"); - goto err_put_clk; + goto err_unprepare_clk; } input_set_capability(input_dev, EV_MSC, MSC_SCAN); @@ -503,6 +509,8 @@ err_free_irq: pm_runtime_disable(&pdev->dev); device_init_wakeup(&pdev->dev, 0); platform_set_drvdata(pdev, NULL); +err_unprepare_clk: + clk_unprepare(keypad->clk); err_put_clk: clk_put(keypad->clk); samsung_keypad_dt_gpio_free(keypad); @@ -531,6 +539,7 @@ static int __devexit samsung_keypad_remove(struct platform_device *pdev) */ free_irq(keypad->irq, keypad); + clk_unprepare(keypad->clk); clk_put(keypad->clk); samsung_keypad_dt_gpio_free(keypad); |