linux-kernel - Re: [PATCH] power: supply: sysfs: parse string as enum when writing property

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Date:   Tue, 11 Apr 2017 18:12:22 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     David Lechner <david@...hnology.com>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power: supply: sysfs: parse string as enum when writing
 property

Hi,

On Mon, Apr 03, 2017 at 02:52:57PM -0500, David Lechner wrote:
> This fixes the TODO to parse strings and convert them to enum values
> when writing to a power_supply class property sysfs attribute.
> 
> There is at least one driver that has a writable enum property that
> previously could only be written as an integer, so a fallback to writing
> enums as integers instead of strings is provided so we don't break existing
> userspace programs.
> 
> Signed-off-by: David Lechner <david@...hnology.com>
>
> ---
>  drivers/power/supply/power_supply_sysfs.c | 124 ++++++++++++++++++++----------
>  1 file changed, 85 insertions(+), 39 deletions(-)

drivers/power/supply/power_supply_sysfs.c: In function ‘power_supply_store_property’:
drivers/power/supply/power_supply_sysfs.c:138:9: error: implicit declaration of function ‘sysfs_match_string’ [-Werror=implicit-function-declaration]

-- Sebastian

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