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thinkpad_acpi: Don't yell on unsupported brightness interfaces

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The thinkpad_acpi driver currently emits error messages on unsupported
brightness interfaces, giving the impression that someone will implement
those. However, this error is spit out on nearly every thinkpad in
production since 2 years now. Furthermore, the backlight interfaces on
those devices are supported by the i915 driver just fine.

Downgrade the error message to a normal pr_info() and stop telling people
to report it to IBM.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This commit is contained in:
David Herrmann 2015-10-21 12:46:10 +02:00 • committed by Darren Hart
parent d2f2061994
commit d618651b0f
1 changed files with 1 additions and 2 deletions
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3
drivers/platform/x86/thinkpad_acpi.c
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@ -6459,8 +6459,7 @@ static void __init tpacpi_detect_brightness_capabilities(void)
pr_info("detected a 8-level brightness capable ThinkPad\n");
break;
default:
pr_err("Unsupported brightness interface, "
"please contact %s\n", TPACPI_MAIL);
pr_info("Unsupported brightness interface\n");
tp_features.bright_unkfw = 1;
bright_maxlvl = b - 1;
}