linux-kernel - Re: [PATCH 2.6.33] regulator: Specify REGULATOR_CHANGE

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Date:	Mon, 04 Jan 2010 17:34:00 +0000
From:	Liam Girdwood <lrg@...mlogic.co.uk>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH 2.6.33] regulator: Specify REGULATOR_CHANGE_STATUS for
 WM835x LED constraints

On Mon, 2010-01-04 at 15:30 +0000, Mark Brown wrote:
> The WM8350 LED driver needs to be able to enable and disable the
> regulators it is using. Previously the core wasn't properly enforcing
> status change constraints so the driver was able to function but this
> has always been intended to be required.
> 
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> Cc: stable@...nel.org
> ---
>  drivers/regulator/wm8350-regulator.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
> index 1bbff09..e7b89e7 100644
> --- a/drivers/regulator/wm8350-regulator.c
> +++ b/drivers/regulator/wm8350-regulator.c
> @@ -1504,7 +1504,8 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
>  	led->isink_init.consumer_supplies = &led->isink_consumer;
>  	led->isink_init.constraints.min_uA = 0;
>  	led->isink_init.constraints.max_uA = pdata->max_uA;
> -	led->isink_init.constraints.valid_ops_mask = REGULATOR_CHANGE_CURRENT;
> +	led->isink_init.constraints.valid_ops_mask
> +		= REGULATOR_CHANGE_CURRENT | REGULATOR_CHANGE_STATUS;
>  	led->isink_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
>  	ret = wm8350_register_regulator(wm8350, isink, &led->isink_init);
>  	if (ret != 0) {
> @@ -1517,6 +1518,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
>  	led->dcdc_init.num_consumer_supplies = 1;
>  	led->dcdc_init.consumer_supplies = &led->dcdc_consumer;
>  	led->dcdc_init.constraints.valid_modes_mask = REGULATOR_MODE_NORMAL;
> +	led->dcdc_init.constraints.valid_ops_mask =  REGULATOR_CHANGE_STATUS;
>  	ret = wm8350_register_regulator(wm8350, dcdc, &led->dcdc_init);
>  	if (ret != 0) {
>  		platform_device_put(pdev);

Applied.

Thanks

Liam

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