diff options
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 85 |
1 files changed, 51 insertions, 34 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 0327cf79baca..01e836987683 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -1658,6 +1658,43 @@ static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, pr_info("Unknown key %x\n", scancode); } +static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) +{ + u32 hci_result, value; + int retries = 3; + int scancode; + + if (dev->info_supported) { + scancode = toshiba_acpi_query_hotkey(dev); + if (scancode < 0) + pr_err("Failed to query hotkey event\n"); + else if (scancode != 0) + toshiba_acpi_report_hotkey(dev, scancode); + } else if (dev->system_event_supported) { + do { + hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); + switch (hci_result) { + case TOS_SUCCESS: + toshiba_acpi_report_hotkey(dev, (int)value); + break; + case TOS_NOT_SUPPORTED: + /* + * This is a workaround for an unresolved + * issue on some machines where system events + * sporadically become disabled. + */ + hci_result = + hci_write1(dev, HCI_SYSTEM_EVENT, 1); + pr_notice("Re-enabled hotkeys\n"); + /* fall through */ + default: + retries--; + break; + } + } while (retries && hci_result != TOS_FIFO_EMPTY); + } +} + static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) { acpi_handle ec_handle; @@ -1972,41 +2009,21 @@ error: static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) { struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); - u32 hci_result, value; - int retries = 3; - int scancode; - if (event != 0x80) - return; - - if (dev->info_supported) { - scancode = toshiba_acpi_query_hotkey(dev); - if (scancode < 0) - pr_err("Failed to query hotkey event\n"); - else if (scancode != 0) - toshiba_acpi_report_hotkey(dev, scancode); - } else if (dev->system_event_supported) { - do { - hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); - switch (hci_result) { - case TOS_SUCCESS: - toshiba_acpi_report_hotkey(dev, (int)value); - break; - case TOS_NOT_SUPPORTED: - /* - * This is a workaround for an unresolved - * issue on some machines where system events - * sporadically become disabled. - */ - hci_result = - hci_write1(dev, HCI_SYSTEM_EVENT, 1); - pr_notice("Re-enabled hotkeys\n"); - /* fall through */ - default: - retries--; - break; - } - } while (retries && hci_result != TOS_FIFO_EMPTY); + switch (event) { + case 0x80: /* Hotkeys and some system events */ + toshiba_acpi_process_hotkeys(dev); + break; + case 0x81: /* Unknown */ + case 0x82: /* Unknown */ + case 0x83: /* Unknown */ + case 0x8c: /* Unknown */ + case 0x8e: /* Unknown */ + case 0x8f: /* Unknown */ + case 0x90: /* Unknown */ + default: + pr_info("Unknown event received %x\n", event); + break; } } |