On Thu, Jan 19, 2017 at 02:40:56PM -0800, Dmitry Torokhov wrote:
[...]
> diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c
> index 9964c46468d3..7b213e0ab06c 100644
> --- a/drivers/input/misc/pwm-beeper.c
> +++ b/drivers/input/misc/pwm-beeper.c
> @@ -14,6 +14,7 @@
> */
>
> #include <linux/input.h>
> +#include <linux/regulator/consumer.h>
> #include <linux/module.h>
> #include <linux/kernel.h>
> #include <linux/of.h>
> @@ -25,30 +26,59 @@
> struct pwm_beeper {
> struct input_dev *input;
> struct pwm_device *pwm;
> + struct regulator *amplifier;
> struct work_struct work;
> unsigned long period;
> bool suspended;
> + bool amplifier_on;Why do you need to track this? I thought regulator_enable() and regulator_disable() were already reference counted? Thierry
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