linux-kernel - Re: [PATCH v18 12/12] input: cyapa: add acpi device id support

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Message-ID: <20150118082814.GD15720@dtor-ws>
Date:	Sun, 18 Jan 2015 00:28:14 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Dudley Du <dudl@...ress.com>
Cc:	jmmahler@...il.com, rydberg@...omail.se, bleung@...gle.com,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v18 12/12] input: cyapa: add acpi device id support

On Fri, Jan 16, 2015 at 02:34:15PM +0800, Dudley Du wrote:
> Add acpi device tree support.
> acpi device id "CYAP0000" is for old gen3 trackpad devices.
> acpi device id "CYAP0001" is for new gen5 trackpad devices.
> TEST=test on Chromebooks.
> 
> Signed-off-by: Dudley Du <dudl@...ress.com>
> ---
>  drivers/input/mouse/cyapa.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
> index 5f9b24a..9dc9f65 100644
> --- a/drivers/input/mouse/cyapa.c
> +++ b/drivers/input/mouse/cyapa.c
> @@ -24,6 +24,7 @@
>  #include <linux/slab.h>
>  #include <linux/uaccess.h>
>  #include <linux/pm_runtime.h>
> +#include <linux/acpi.h>
>  #include "cyapa.h"
>  
>  
> @@ -1356,11 +1357,23 @@ static const struct i2c_device_id cyapa_id_table[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, cyapa_id_table);
>  
> +#ifdef CONFIG_ACPI
> +static const struct acpi_device_id cyapa_acpi_id[] = {
> +	{ "CYAP0000", 0 },  /* Gen3 trackpad with 0x67 I2C address. */
> +	{ "CYAP0001", 0 },  /* Gen5 trackpad with 0x24 I2C address. */
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
> +#endif
> +
>  static struct i2c_driver cyapa_driver = {
>  	.driver = {
>  		.name = "cyapa",
>  		.owner = THIS_MODULE,
>  		.pm = &cyapa_pm_ops,
> +#ifdef CONFIG_ACPI
> +		.acpi_match_table = ACPI_PTR(cyapa_acpi_id),

I do not think you should guard it with CONFIG_ACPI, so I dropped it.

> +#endif
>  	},
>  
>  	.probe = cyapa_probe,
> -- 
> 1.9.1
> 

Thanks.

-- 
Dmitry
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