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    Subject[PATCH] thinkpad_acpi: Fix inconsistent mute LED after resume
    Date
    The mute LED states have to be restored after resume.

    Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70351
    Cc: <stable@vger.kernel.org> [v3.13+]
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    ---
    drivers/platform/x86/thinkpad_acpi.c | 12 ++++++++++++
    1 file changed, 12 insertions(+)

    diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
    index defb6afc1409..e2a91c845ac9 100644
    --- a/drivers/platform/x86/thinkpad_acpi.c
    +++ b/drivers/platform/x86/thinkpad_acpi.c
    @@ -8447,9 +8447,21 @@ static void mute_led_exit(void)
    tpacpi_led_set(i, false);
    }

    +static void mute_led_resume(void)
    +{
    + int i;
    +
    + for (i = 0; i < TPACPI_LED_MAX; i++) {
    + struct tp_led_table *t = &led_tables[i];
    + if (t->state >= 0)
    + mute_led_on_off(t, t->state);
    + }
    +}
    +
    static struct ibm_struct mute_led_driver_data = {
    .name = "mute_led",
    .exit = mute_led_exit,
    + .resume = mute_led_resume,
    };

    /****************************************************************************
    --
    1.8.5.2


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