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platform/x86: thinkpad_acpi: Accept flat mode for type 4 multi mode status 

On the X1 Yoga 2nd Generation and most likely other notebooks the FLAT
mode is reported. Decode it correctly rather than warning about an
unexpected multi mode status to be reported.

Signed-off-by: Benjamin Berg <bberg@redhat.com>
Cc: Peter FP1 Zhang <zhangfp1@lenovo.com
Cc: Lyude <lyude@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
hifive-unleashed-5.1
Benjamin Berg 2017-11-14 17:14:14 +01:00 committed by Andy Shevchenko
parent 064cbc4f6a
commit 26befef00e
1 changed files with 3 additions and 5 deletions
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8
drivers/platform/x86/thinkpad_acpi.c
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@ -2113,12 +2113,10 @@ static int hotkey_gmms_get_tablet_mode(int s, int *has_tablet_mode)
TP_ACPI_MULTI_MODE_FLAT;
break;
case 4:
valid_modes = TP_ACPI_MULTI_MODE_LAPTOP |
TP_ACPI_MULTI_MODE_TABLET |
TP_ACPI_MULTI_MODE_STAND |
TP_ACPI_MULTI_MODE_TENT;
break;
case 5:
/* In mode 4, FLAT is not specified as a valid mode. However,
* it can be seen at least on the X1 Yoga 2nd Generation.
*/
valid_modes = TP_ACPI_MULTI_MODE_LAPTOP |
TP_ACPI_MULTI_MODE_FLAT |
TP_ACPI_MULTI_MODE_TABLET |