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    Subject[PATCH 3.16 105/158] ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
    Date
    3.16-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Hans de Goede <hdegoede@redhat.com>

    commit 84c34858a85ecf9dabd72847d860c7d3fb7536e7 upstream.

    Link: https://bugs.freedesktop.org/show_bug.cgi?id=81515
    Reported-and-tested-by: Hohahiu <rakothedin@gmail.com>
    Signed-off-by: Hans de Goede <hdegoede@redhat.com>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/acpi/video.c | 11 +++++++++++
    1 file changed, 11 insertions(+)

    --- a/drivers/acpi/video.c
    +++ b/drivers/acpi/video.c
    @@ -675,6 +675,17 @@ static struct dmi_system_id video_dmi_ta
    DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"),
    },
    },
    +
    + /* The native backlight controls do not work on some older machines */
    + {
    + /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */
    + .callback = video_disable_native_backlight,
    + .ident = "HP ENVY 15 Notebook",
    + .matches = {
    + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
    + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
    + },
    + },
    {}
    };




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