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Add support for fan button on Ideapad Z580

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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>
This commit is contained in:
Maxim Mikityanskiy 2013-03-20 12:34:17 +02:00 committed by Matthew Garrett
parent 8b10acd74c
commit a1ec56ed9f
1 changed files with 5 additions and 1 deletions
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6
drivers/platform/x86/ideapad-laptop.c
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@ -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;
}
}
}