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Expose and clarify uw WMI read/write method as parameter

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This commit is contained in:
Christoffer Sandberg 2021-09-22 00:44:51 +02:00
parent 2440ed47b5
commit f6226ac07a
1 changed files with 9 additions and 0 deletions
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9
src/uniwill_wmi.c
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@ -341,5 +341,14 @@ MODULE_DESCRIPTION("Driver for Uniwill WMI interface");
MODULE_VERSION("0.0.1"); MODULE_VERSION("0.0.1");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
/*
* If set to true, the module will use the replicated WMI functions
* (direct ec_read/ec_write) to read and write to the EC RAM instead
* of the original. Since the original functions, in all observed cases,
* use excessive delays, they are not preferred.
*/
module_param_cb(ec_direct_io, &param_ops_bool, &uniwill_ec_direct, S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH);
MODULE_PARM_DESC(ec_direct_io, "Do not use WMI methods to read/write EC RAM (default: true).");
MODULE_DEVICE_TABLE(wmi, uniwill_wmi_device_ids); MODULE_DEVICE_TABLE(wmi, uniwill_wmi_device_ids);
MODULE_ALIAS_UNIWILL_WMI(); MODULE_ALIAS_UNIWILL_WMI();