diff options
| -rw-r--r-- | drivers/platform/x86/intel-hid.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index c69c2cc1e079..66ccdc17a64d 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -435,6 +435,19 @@ static void notify_handler(acpi_handle handle, u32 event, void *context) struct platform_device *device = context; struct intel_hid_priv *priv = dev_get_drvdata(&device->dev); unsigned long long ev_index; + int err; + + /* + * Some convertible have unreliable VGBS return which could cause incorrect + * SW_TABLET_MODE report, in these cases we enable support when receiving + * the first event instead of during driver setup. + */ + if (!priv->switches && (event == 0xcc || event == 0xcd)) { + dev_info(&device->dev, "switch event received, enable switches supports\n"); + err = intel_hid_switches_setup(device); + if (err) + pr_err("Failed to setup Intel HID switches\n"); + } if (priv->wakeup_mode) { /* |