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Message-ID: <20150107075703.GE5256@dtor-ws>
Date: Tue, 6 Jan 2015 23:57:03 -0800
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Olliver Schinagl <oliver+list@...inagl.nl>
Cc: Wolfram Sang <wsa@...-dreams.de>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Jingoo Han <jg1.han@...sung.com>,
"David S. Miller" <davem@...emloft.net>,
Sam Ravnborg <sam@...nborg.org>,
Olliver Schinagl <oliver@...inagl.nl>,
linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] input: make use of the input_set_capability helper
Hi Olliver,
On Wed, Jan 07, 2015 at 08:31:06AM +0100, Olliver Schinagl wrote:
> From: Olliver Schinagl <oliver@...inagl.nl>
>
> Almost all of the speaker drivers under input manipulate the ev bits
> directly, which is not needed, as there is a helper available.
>
> This patch makes use of the helper for the speaker drivers.
>
> Signed-off-by: Olliver Schinagl <oliver@...inagl.nl>
> ---
> drivers/input/misc/cm109.c | 4 ++--
> drivers/input/misc/ixp4xx-beeper.c | 5 ++---
> drivers/input/misc/m68kspkr.c | 5 ++---
> drivers/input/misc/pcspkr.c | 5 ++---
> drivers/input/misc/pwm-beeper.c | 5 +----
> drivers/input/misc/sparcspkr.c | 6 ++----
> 6 files changed, 11 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
> index 9365535..8e41070 100644
> --- a/drivers/input/misc/cm109.c
> +++ b/drivers/input/misc/cm109.c
> @@ -767,10 +767,10 @@ static int cm109_usb_probe(struct usb_interface *intf,
> input_dev->keycodesize = sizeof(unsigned char);
> input_dev->keycodemax = ARRAY_SIZE(dev->keymap);
>
> - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_SND);
> - input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
> + input_set_capability(input_dev, EV_SND, SND_BELL | SND_TONE);
No, input_set_capability() takes single event code, not bitmask. The
fact that it works for these 2 values of SND events is pure coincidence
(the old code wasn't much better though).
>
> /* register available key events */
> + input_dev->evbit[0] = BIT_MASK(EV_KEY);
Would prefer __set_bit(EV_KEY, input_dev->evbit); here instead.
Thanks.
--
Dmitry
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