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From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Lyude <lyude@redhat.com>
Cc: ibm-acpi-devel@lists.sourceforge.net,
	Daniel Martin <consume.noise@gmail.com>,
	Darren Hart <dvhart@infradead.org>,
	platform-driver-x86@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] thinkpad_acpi: Don't repeat ourselves in hotkey_init_tablet_mode()
Date: Tue, 8 Nov 2016 09:08:47 -0200	[thread overview]
Message-ID: <20161108110847.GC8609@khazad-dum.debian.net> (raw)
In-Reply-To: <1478538633-11450-2-git-send-email-lyude@redhat.com>

On Mon, 07 Nov 2016, Lyude wrote:
> There's no need to have multiple copies of the logic we use for checking
> whether or not we're in tablet mode, so just use
> hotkey_get_tablet_mode() when checking the initial state in
> hotkey_init_tablet_mode().

...

> @@ -3130,13 +3130,16 @@ hotkey_init_tablet_mode(void)
>  	/* For X41t, X60t, X61t Tablets... */
>  	if (acpi_evalf(hkey_handle, &res, "MHKG", "qd")) {
>  		tp_features.hotkey_tablet = TP_HOTKEY_TABLET_USES_MHKG;
> -		in_tablet_mode = !!(res & TP_HOTKEY_TABLET_MASK);
>  		type = "MHKG";
>  	}
>  
>  	if (!tp_features.hotkey_tablet)
>  		return 0;
>  
> +	res = hotkey_get_tablet_mode(&in_tablet_mode);
> +	if (res)
> +		return res;
> +

Won't this way of doing things cause the ACPI methods to be called
twice in a row?

The hotkey_init_tablet_mode() code does mode detection, and thus
hotkey_get_tablet_mode() must be kept in sync with it *anyway* (and not
the opposite), so it doesn't look like a very relevant maintenance
burden...

-- 
  Henrique Holschuh

  reply	other threads:[~2016-11-08 11:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-07 17:10 [PATCH v3 1/3] thinkpad_acpi: Move tablet detection into separate function Lyude
2016-11-07 17:10 ` [PATCH 2/3] thinkpad_acpi: Don't repeat ourselves in hotkey_init_tablet_mode() Lyude
2016-11-08 11:08   ` Henrique de Moraes Holschuh [this message]
2016-11-07 17:10 ` [PATCH v4 3/3] thinkpad_acpi: Add support for X1 Yoga (2016) Tablet Mode Lyude
2016-11-08 11:01   ` Henrique de Moraes Holschuh
2016-11-08 10:50 ` [PATCH v3 1/3] thinkpad_acpi: Move tablet detection into separate function Henrique de Moraes Holschuh
2016-11-09 11:10 ` Daniel Martin
  -- strict thread matches above, loose matches on Subject: below --
2016-10-31 22:55 [PATCH 0/3] Add support for X1 Yoga (2016) Tablet Mode + refactors Lyude
2016-10-31 22:55 ` [PATCH 2/3] thinkpad_acpi: Don't repeat ourselves in hotkey_init_tablet_mode() Lyude
2016-10-31 23:20   ` kbuild test robot
2016-10-31 23:49   ` kbuild test robot

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