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platform/x86: ideapad-laptop: check for Fn-lock support in HALS 

Bit 9 in the return value of the HALS ACPI method is set if
Fn-lock is supported. Change ideapad_check_features() to check it.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210203215403.290792-20-pobrn@protonmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Barnabás Pőcze 2021-02-03 21:56:16 +00:00 committed by Hans de Goede
parent 1c59de4ad2
commit 392cbf0a42
1 changed files with 9 additions and 3 deletions
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12
drivers/platform/x86/ideapad-laptop.c
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@ -57,7 +57,9 @@ enum {
};
enum {
HALS_FNLOCK_STATE_BIT = 10,
HALS_FNLOCK_SUPPORT_BIT = 9,
HALS_FNLOCK_STATE_BIT = 10,
HALS_HOTKEYS_PRIMARY_BIT = 11,
};
enum {
@ -1290,8 +1292,12 @@ static void ideapad_check_features(struct ideapad_private *priv)
if (acpi_has_method(handle, "DYTC"))
priv->features.dytc = true;
if (acpi_has_method(handle, "HALS") && acpi_has_method(handle, "SALS"))
priv->features.fn_lock = true;
if (acpi_has_method(handle, "HALS") && acpi_has_method(handle, "SALS")) {
if (!eval_hals(handle, &val)) {
if (test_bit(HALS_FNLOCK_SUPPORT_BIT, &val))
priv->features.fn_lock = true;
}
}
}
static int ideapad_acpi_add(struct platform_device *pdev)