linux-kernel - Re: [PATCH 1/1] toshiba_acpi: Add support for bluetooth toggling through rfkill (v6)

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Date:	Fri, 22 Aug 2008 14:10:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Philip Langdale <philipl@...rt.org>
Cc:	linux-kernel@...r.kernel.org, hmh@....eng.br, mjg59@...f.ucam.org,
	toshiba_acpi@...ebeam.org, ivdoorn@...il.com,
	linux-wireless@...r.kernel.org
Subject: Re: [PATCH 1/1] toshiba_acpi: Add support for bluetooth toggling
 through rfkill (v6)


> User-Agent: Thunderbird 2.0.0.16 (X11/20080707)

uh-oh.

On Tue, 19 Aug 2008 20:01:22 -0700
Philip Langdale <philipl@...rt.org> wrote:

> There's been a patch floating around for toshiba_acpi that exports an ad-hoc
> /proc interface to toggle the bluetooth adapter in a large number of Toshiba
> laptops. I'm not sure if it's still relevant for the latest models, but it is
> still required for older models such as my Tecra M3.
> 
> This change pulls in the low level Toshiba-specific code from the old patch and
> sets up an rfkill device and a polled input device to track the state of the
> hardware kill-switch.
> 
> Signed-off-by: Philip Langdale <philipl@...rt.org>
> ---
>   Kconfig        |    1
>   toshiba_acpi.c |  263 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
> 
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index 735f5ea..047829c 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -260,6 +260,7 @@ config ACPI_ASUS
>   config ACPI_TOSHIBA
>   	tristate "Toshiba Laptop Extras"
>   	depends on X86
> +	select INPUT_POLLDEV
>   	select BACKLIGHT_CLASS_DEVICE
>   	---help---
>   	  This driver adds support for access to certain system settings
> diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
> index 0a43c8e..5723019 100644
> --- a/drivers/acpi/toshiba_acpi.c
> +++ b/drivers/acpi/toshiba_acpi.c
> @@ -3,6 +3,7 @@
>    *
>    *
>    *  Copyright (C) 2002-2004 John Belmonte
> + *  Copyright (C) 2008 Philip Langdale

your email client is performing space-stuffing.  Please see
Documentation/email-clients.txt.

Please pass the patch through scripts/checkpatch.pl.  It finds a large
number of errors.

Please consistently put a single blank line between end-of-locals and
start-of-code.  Avoid randomness like:

> +static void bt_poll_rfkill(struct input_polled_dev *poll_dev)
> +{
> +	bool state_changed;
> +	bool new_rfk_state;
> +	bool value;
> +	u32 hci_result;
> +
> +	struct toshiba_acpi_dev *dev = poll_dev->private;
> +
> +	hci_result = hci_get_radio_state(&value);
>

The code uses new-style `bool' but it also adds at least one usage of
the old-style `FALSE'.

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