From: "Ville Syrjälä" <syrjala@sci.fi>
To: Alan Cox <alan@linux.intel.com>
Cc: linux-input@vger.kernel.org, dmitry.torokhov@gmail.com
Subject: Re: [PATCH] Input: introduce medfield keypad driver
Date: Thu, 8 Jul 2010 20:42:33 +0300 [thread overview]
Message-ID: <20100708174233.GI10135@sci.fi> (raw)
In-Reply-To: <20100708164127.22458.31279.stgit@localhost.localdomain>
On Thu, Jul 08, 2010 at 05:41:33PM +0100, Alan Cox wrote:
> From: Zheng Ba <zheng.ba@intel.com>
>
> An i2c bus driver for the Intel Medfield keypad interface.
>
> Signed-off-by: Zheng Ba <zheng.ba@intel.com>
> Signed-off-by: Alan Cox <alan@linux.intel.com>
> ---
>
> drivers/input/keyboard/Kconfig | 10 +
> drivers/input/keyboard/Makefile | 1
> drivers/input/keyboard/mfld_keypad.c | 613 ++++++++++++++++++++++++++++++++++
> drivers/input/keyboard/mfld_keypad.h | 56 +++
> 4 files changed, 680 insertions(+), 0 deletions(-)
> create mode 100644 drivers/input/keyboard/mfld_keypad.c
> create mode 100644 drivers/input/keyboard/mfld_keypad.h
>
>
> diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
> index 950f6d1..10cc686 100644
> --- a/drivers/input/keyboard/Kconfig
> +++ b/drivers/input/keyboard/Kconfig
> @@ -309,6 +309,16 @@ config KEYBOARD_MCS
> To compile this driver as a module, choose M here: the
> module will be called mcs_touchkey.
>
> +config KEYBOARD_MFLD
> + tristate "Medfield I2C keypad support"
> + depends on I2C && GPIOLIB && X86_MRST
> + help
> + Say Y here if you want to get support for the keypad controller
> + on the Medfield (MFLD) platform of Intel MID.
> +
> + To compile this as a module, choose M here: the
> + module will be called mfld_keypad.
> +
> config KEYBOARD_IMX
> tristate "IMX keypad support"
> depends on ARCH_MXC
> diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
> index a1f5e9d..9672c3d 100644
> --- a/drivers/input/keyboard/Makefile
> +++ b/drivers/input/keyboard/Makefile
<snip>
> +/*
> + * We cannot use I2c in interrupt context, so we just schedule work.
> + */
> +static irqreturn_t mfld_keypad_irq(int irq, void *data)
> +{
> + struct mfld_keypad_chip *tc = data;
> + schedule_work(&tc->work);
Use threaded irq?
> + return IRQ_HANDLED;
> +}
--
Ville Syrjälä
syrjala@sci.fi
http://www.sci.fi/~syrjala/
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next prev parent reply other threads:[~2010-07-08 17:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-08 16:41 [PATCH] Input: introduce medfield keypad driver Alan Cox
2010-07-08 17:42 ` Ville Syrjälä [this message]
2010-07-09 16:21 ` Dmitry Torokhov
2010-07-09 16:56 ` Dmitry Torokhov
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