Add support for fan button on Ideapad Z580
authorMaxim Mikityanskiy <maxtram95@gmail.com>
Wed, 20 Mar 2013 10:34:17 +0000 (12:34 +0200)
committerMatthew Garrett <matthew.garrett@nebula.com>
Thu, 9 May 2013 00:00:50 +0000 (20:00 -0400)
The patch adds support for fan control button on Ideapad Z580. This is
the same button as on Z570, but it raises different bit in
VPCCMD_R_SPECIAL_BUTTONS. Also add message to dmesg when unknown button
press detected, it will help adding support for new special buttons.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Tested-by: Ivan Vojtko <nekroman.sk@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
drivers/platform/x86/ideapad-laptop.c

index 17f00b8dc5cbcb841540f07c7330775bcb5393df..89c4519d48ac80d2a54f42ceabf7a48b792e871c 100644 (file)
@@ -640,7 +640,8 @@ static void ideapad_check_special_buttons(struct ideapad_private *priv)
        for (bit = 0; bit < 16; bit++) {
                if (test_bit(bit, &value)) {
                        switch (bit) {
-                       case 6:
+                       case 0: /* Z580 */
+                       case 6: /* Z570 */
                                /* Thermal Management button */
                                ideapad_input_report(priv, 65);
                                break;
@@ -648,6 +649,9 @@ static void ideapad_check_special_buttons(struct ideapad_private *priv)
                                /* OneKey Theater button */
                                ideapad_input_report(priv, 64);
                                break;
+                       default:
+                               pr_info("Unknown special button: %lu\n", bit);
+                               break;
                        }
                }
        }