Kindly ignore this, Gmail has hardwrapped and destroyed the patch file. Sorry.
On Mon, May 15, 2017 at 1:17 AM, Hao Wei Tee <angelsl@xxxxxxxxxxx> wrote:
> Don't simply throw this to userspace via the sparse_keymap (which does not
> have a mapping for scancode 1), as this causes KEY_UNKNOWN to be emitted,
> which is a nuisance and of no use at all (it is not the right way to expose
> this ACPI event to userspace, anyway, and the original intention of the commit
> which added this (cfee5d63767b2e7997c1f36420d008abbe61565c) was only to suppress
> an unhandled event log message).
>
> Signed-off-by: Hao Wei Tee <angelsl@xxxxxxxxxxx>
> ---
> drivers/platform/x86/ideapad-laptop.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/ideapad-laptop.c
> b/drivers/platform/x86/ideapad-laptop.c
> index 24ca9fbe31cc..998da7b4cd8e 100644
> --- a/drivers/platform/x86/ideapad-laptop.c
> +++ b/drivers/platform/x86/ideapad-laptop.c
> @@ -810,7 +810,6 @@ static void ideapad_acpi_notify(acpi_handle
> handle, u32 event, void *data)
> case 8:
> case 7:
> case 6:
> - case 1:
> ideapad_input_report(priv, vpc_bit);
> break;
> case 5:
> @@ -828,6 +827,13 @@ static void ideapad_acpi_notify(acpi_handle
> handle, u32 event, void *data)
> case 0:
> ideapad_check_special_buttons(priv);
> break;
> + case 1:
> + /* Some IdeaPads report event 1 every ~20
> + * seconds while on battery power; some
> + * report this when changing to/from tablet
> + * mode. Squelch this event.
> + */
> + break;
> default:
> pr_info("Unknown event: %lu\n", vpc_bit);
> }
> --
> 2.12.2
