Re: [PATCH v15 12/12] input: cyapa: add acpi device id supported

[Jeremiah Mahler <jmmahler@gmail.com>]

Dudley,

On Mon, Dec 15, 2014 at 02:23:23PM +0800, Dudley Du wrote:
> Add acpi device tree supported.
                       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 <dudley.dulixin@gmail.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 dac3996..9fb97e2 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"
>  
>  
> @@ -1315,11 +1316,23 @@ 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),
> +#endif
>  	},
>  
>  	.probe = cyapa_probe,
> -- 
> 1.9.1
> 
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-- 
- Jeremiah Mahler