On Thu, Aug 30, 2012 at 02:39:55PM -0400, Vivien Didelot wrote:
> The MAX197 is an A/D converter, made by Maxim. This driver currently
> supports the MAX197, and MAX199. They are both 8-Channel, Multi-Range,
> 5V, 12-Bit DAS with 8+4 Bus Interface and Fault Protection.
>
> The available ranges for the MAX197 are {0,-5V} to 5V, and {0,-10V} to
> 10V, while they are {0,-2V} to 2V, and {0,-4V} to 4V on the MAX199.
>
> Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
Hi Vivien,
I have the solution for the platform driver.
enum chips { max197, max199 };
[ ... ]
static struct platform_device_id max197_driver_ids[] = {
{
.name = "max197",
.driver_data = max197,
}, {
.name = "max199",
.driver_data = max199,
}
};
MODULE_DEVICE_TABLE(platform, max197_driver_ids);
In the probe function:
enum chips chip = platform_get_device_id(pdev)->driver_data;
This way you only need a single platform driver, no module alias, and you don't
need strcmp() in the probe function to detect the chip type.
Guenter
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