thinkpad-acpi: R52 brightness_mode has been confirmed

We can stop pestering users for confirmation of the brightness_mode
default for firmware TP-76.

While at it, add a few missing comments in that quirk table.

Reported-by: Whoopie <whoopie79@gmx.net>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: stable@kernel.org

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 049041a..06657b7 100644 (file)
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -6139,13 +6139,13 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
        TPACPI_Q_IBM('1', 'Y', TPACPI_BRGHT_Q_EC),      /* T43/p ATI */
 
        /* Models with ATI GPUs that can use ECNVRAM */
-       TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_EC),
+       TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_EC),      /* R50,51 T40-42 */
        TPACPI_Q_IBM('1', 'Q', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
-       TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+       TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_EC),      /* R52 */
        TPACPI_Q_IBM('7', '8', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
 
        /* Models with Intel Extreme Graphics 2 */
-       TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC),
+       TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC),    /* X40 */
        TPACPI_Q_IBM('1', 'V', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
        TPACPI_Q_IBM('1', 'W', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),