diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-11-03 12:05:52 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-11-03 12:14:56 -0700 |
| commit | d56a289be2ce01d1aa426a6cf45dede14a8db41e (patch) | |
| tree | c9a058d34420eb2cc1cc85ce8fe7e71eb20e4407 /drivers | |
| parent | 8ed2757edd0c6bacf20c1c55bd53a0acba565be8 (diff) | |
Input: pwm-beeper - add devicetree probing support
A very simple binding, the only property is the phandle to the PWM.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/misc/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/input/misc/pwm-beeper.c | 14 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index c8353570344c..0f959d744e74 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -441,7 +441,7 @@ config INPUT_PCF8574 config INPUT_PWM_BEEPER tristate "PWM beeper support" - depends on HAVE_PWM + depends on HAVE_PWM || PWM help Say Y here to get support for PWM based beeper devices. diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c index fc84c8a51147..502544c7e0a0 100644 --- a/drivers/input/misc/pwm-beeper.c +++ b/drivers/input/misc/pwm-beeper.c @@ -75,7 +75,11 @@ static int __devinit pwm_beeper_probe(struct platform_device *pdev) if (!beeper) return -ENOMEM; - beeper->pwm = pwm_request(pwm_id, "pwm beeper"); + beeper->pwm = pwm_get(&pdev->dev, NULL); + if (IS_ERR(beeper->pwm)) { + dev_dbg(&pdev->dev, "unable to request PWM, trying legacy API\n"); + beeper->pwm = pwm_request(pwm_id, "pwm beeper"); + } if (IS_ERR(beeper->pwm)) { error = PTR_ERR(beeper->pwm); @@ -171,6 +175,13 @@ static SIMPLE_DEV_PM_OPS(pwm_beeper_pm_ops, #define PWM_BEEPER_PM_OPS NULL #endif +#ifdef CONFIG_OF +static const struct of_device_id pwm_beeper_match[] = { + { .compatible = "pwm-beeper", }, + { }, +}; +#endif + static struct platform_driver pwm_beeper_driver = { .probe = pwm_beeper_probe, .remove = __devexit_p(pwm_beeper_remove), @@ -178,6 +189,7 @@ static struct platform_driver pwm_beeper_driver = { .name = "pwm-beeper", .owner = THIS_MODULE, .pm = PWM_BEEPER_PM_OPS, + .of_match_table = of_match_ptr(pwm_beeper_match), }, }; module_platform_driver(pwm_beeper_driver); |