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Add support for fan button on Ideapad Z580 

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>
hifive-unleashed-5.1
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;
}
}
}