Messages in this thread | | | Date | Mon, 1 Feb 2016 10:54:26 +0200 | Subject | Re: [PATCH][v2] ACPI: Do not report _OSI("Darwin") when acpi_osi=!Darwin provided | From | Andy Shevchenko <> |
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On Mon, Feb 1, 2016 at 4:26 AM, Chen Yu <yu.c.chen@intel.com> wrote: > Commit 7bc5a2bad0b8 ("ACPI: Support _OSI("Darwin") correctly") always > reports positive value when Apple hardware queries _OSI("Darwin"). > But sometimes the users might want to tell the hardware they don't > need the Darwin feature, for example, users may leverage the hardware > to power off the Thunderbolt, by appending acpi_osi=!Darwin in command > line, thus Apple hardware regards it as an incompatible OS X system, > hence turns off the Thunderbolt.
> +static bool acpi_osi_setup_disabled(char *str) > +{ > + int i; > + struct osi_setup_entry *osi; > + > + if (!str) > + return false; > + > + for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) { > + osi = &osi_setup_entries[i]; > + if (!strcmp(osi->string, str)) {
Seems like we have one more user for http://www.spinics.net/lists/kernel/msg2157535.html
> + if (!osi->enable) > + return true; > + else > + return false;
return !osi->enable;
> + } > + } > + > + return false; > +}
-- With Best Regards, Andy Shevchenko
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