Re: [PATCH] thinkpad_acpi: Add TP_HKEY_EV_SCREEN_FLIP (0x60c0) for Lenovo ThinkPad Yoga 12

From: Darren Hart
Date: Sat Oct 10 2015 - 14:45:16 EST


On Sat, Oct 10, 2015 at 11:41:47AM -0700, Darren Hart wrote:
> From: Darren Hart <dvhart@xxxxxxxxxxxxx>
>
> thinkpad_acpi reports "unhandled HKEY event 0x60c0" when switching
> between laptop and tent/tablet mode on the ThinkPad Yoga 12. This key is
> reported by atkbd serio0 as e058 and e059.
>
> Add TP_HKEY_EV_SCREEN_FLIP to the list of ignored events and silence the
> warning.
>
> Cleanup whitespace on preceeding line for TP_HKEY_EV_KEY_FN_ESC.
>
> Signed-off-by: Darren Hart <dvhart@xxxxxxxxxxxxx>
> Cc: Henrique de Moraes Holschuh <ibm-acpi@xxxxxxxxxx>
> Cc: ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx

And Cc pdx86... oi. That's embarassing.

> ---
> drivers/platform/x86/thinkpad_acpi.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> index 131dd74..d68143e 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -197,7 +197,8 @@ enum tpacpi_hkey_event_t {
> /* Key-related user-interface events */
> TP_HKEY_EV_KEY_NUMLOCK = 0x6000, /* NumLock key pressed */
> TP_HKEY_EV_KEY_FN = 0x6005, /* Fn key pressed? E420 */
> - TP_HKEY_EV_KEY_FN_ESC = 0x6060, /* Fn+Esc key pressed X240 */
> + TP_HKEY_EV_KEY_FN_ESC = 0x6060, /* Fn+Esc key pressed X240 */
> + TP_HKEY_EV_SCREEN_FLIP = 0x60c0, /* Screen flipped Yoga 12 */
>
> /* Thermal events */
> TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */
> @@ -3849,7 +3850,9 @@ static bool hotkey_notify_6xxx(const u32 hkey,
> * unplugging AC adapter, docking or undocking. */
>
> /* fallthrough */
> -
> + case TP_HKEY_EV_SCREEN_FLIP:
> + /* Yoga 12: Screen toggled between laptop and tablet mode. */
> + /* fallthrough */
> case TP_HKEY_EV_KEY_NUMLOCK:
> case TP_HKEY_EV_KEY_FN:
> case TP_HKEY_EV_KEY_FN_ESC:
> --
> 2.1.4
>
>

--
Darren Hart
Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/