[PATCH] mx28: added LRADC and touchscreen support

[Fabio Estevam]

On Thu, Nov 24, 2011 at 11:56 AM, Lothar Waßmann <LW at karo-electronics.de> wrote:

>> +static int lradc_freq = LRADC_CLOCK_6MHZ;
>> +
>> +static int __init lradc_freq_setup(char *str)
>> +{
>> +     long freq;
>> +
>> +     if (kstrtol(str, 0, &freq) < 0)
>> +             return 0;
>> +
>> +     if (freq < 0)
>> +             return 0;
>> +     if (freq >= 6)
>> +             lradc_freq = LRADC_CLOCK_6MHZ;
>> +     else if (freq >= 4)
>> +             lradc_freq = LRADC_CLOCK_4MHZ;
>> +     else if (freq >= 3)
>> +             lradc_freq = LRADC_CLOCK_3MHZ;
>> +     else if (freq >= 2)
>> +             lradc_freq = LRADC_CLOCK_2MHZ;
>> +     else
>> +             return 0;
>> +     return 1;
>> +}
>> +
>> +__setup("lradc_freq=", lradc_freq_setup);
>>
> How do you set lradc_freq when the driver is compiled as a module?
> module_param() would work for the driver compiled as a module as well
> as built-in

What about passing lradc_freq as platform data?