linux-kernel - Re: [PATCH v2 2/3] platform/x86: dell-*: Add interface for switchable graphics status query

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Message-ID: <20180308163837.myfmnowz5ogto52w@pali>
Date:   Thu, 8 Mar 2018 17:38:37 +0100
From:   Pali Rohár <pali.rohar@...il.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     mjg59@...f.ucam.org, dvhart@...radead.org, andy@...radead.org,
        mario.limonciello@...l.com, tiwai@...e.com,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH v2 2/3] platform/x86: dell-*: Add interface for
 switchable graphics status query

On Thursday 08 March 2018 17:10:22 Kai-Heng Feng wrote:
> +int dell_switchable_gfx_enabled(bool *enabled);

What about following API?

bool dell_switchable_gfx_is_enabled(void);

Are you really interested in errors? Then what about?

int dell_switchable_gfx_is_enabled(void);

with e.g.
  < 0 - error
  = 0 - disabled
  > 0 - enabled

-- 
Pali Rohár
pali.rohar@...il.com

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