diff options
Diffstat (limited to 'src/mainboard/lenovo/t430s/smihandler.c')
| -rw-r--r-- | src/mainboard/lenovo/t430s/smihandler.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/src/mainboard/lenovo/t430s/smihandler.c b/src/mainboard/lenovo/t430s/smihandler.c index 8831e9d696..d69f6b6f7c 100644 --- a/src/mainboard/lenovo/t430s/smihandler.c +++ b/src/mainboard/lenovo/t430s/smihandler.c @@ -28,17 +28,17 @@ static void mainboard_smi_brightness_up(void) { - u8 value; + u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4); - if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0) + if (value < 0xf0) pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf); } static void mainboard_smi_brightness_down(void) { - u8 value; + u8 value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4); - if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10) + if (value > 0x10) pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value - 0x10) & 0xf0); } @@ -55,16 +55,16 @@ static void mainboard_smi_handle_ec_sci(void) printk(BIOS_DEBUG, "EC event %02x\n", event); switch (event) { - case 0x14: - /* brightness up */ - mainboard_smi_brightness_up(); - break; - case 0x15: - /* brightness down */ - mainboard_smi_brightness_down(); - break; - default: - break; + case 0x14: + /* brightness up */ + mainboard_smi_brightness_up(); + break; + case 0x15: + /* brightness down */ + mainboard_smi_brightness_down(); + break; + default: + break; } } @@ -77,25 +77,25 @@ void mainboard_smi_gpi(u32 gpi_sts) int mainboard_smi_apmc(u8 data) { switch (data) { - case APM_CNT_ACPI_ENABLE: - /* use 0x1600/0x1604 to prevent races with userspace */ - ec_set_ports(0x1604, 0x1600); - /* route EC_SCI to SCI */ - gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); - /* discard all events, and enable attention */ - ec_write(0x80, 0x01); - break; - case APM_CNT_ACPI_DISABLE: - /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't - provide a EC query function */ - ec_set_ports(0x66, 0x62); - /* route EC_SCI to SMI */ - gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); - /* discard all events, and enable attention */ - ec_write(0x80, 0x01); - break; - default: - break; + case APM_CNT_ACPI_ENABLE: + /* use 0x1600/0x1604 to prevent races with userspace */ + ec_set_ports(0x1604, 0x1600); + /* route EC_SCI to SCI */ + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + case APM_CNT_ACPI_DISABLE: + /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't + provide a EC query function */ + ec_set_ports(0x66, 0x62); + /* route EC_SCI to SMI */ + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + default: + break; } return 0; } |