Add a launch_manager parameter for support to enable Acer Launch Manager mode. After enable it, the communication key will stop the default behavior to control WLAN/Bluetooth/WWAN rfkill state. It leave usernland application to handle the rfkill state changed.
Signed-off-by: Lee, Chun-Yi <[email protected]> --- drivers/platform/x86/acer-wmi.c | 74 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 74 insertions(+), 0 deletions(-) diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 32285f4..a28a775 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -85,6 +85,7 @@ MODULE_LICENSE("GPL"); #define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" #define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" #define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" +#define WMID_GUID3 "61EF69EA-865C-4BC3-A502-A0DEBA0CB531" /* * Acer ACPI event GUIDs @@ -120,6 +121,20 @@ struct event_return_value { u32 reserved; } __attribute__((packed)); +struct lm_input_params { + u8 function_num; /* Function Number */ + u16 commun_devices; /* Communication type devices default status */ + u16 devices; /* Other type devices default status */ + u8 lm_status; /* Launch Manager Status */ + u16 reserved; +} __attribute__((packed)); + +struct lm_return_value { + u8 error_code; /* Error Code */ + u8 ec_return_value; /* EC Return Value */ + u16 reserved; +} __attribute__((packed)); + /* * Interface capability flags */ @@ -150,15 +165,18 @@ static int mailled = -1; static int brightness = -1; static int threeg = -1; static int force_series; +static bool launch_manager; module_param(mailled, int, 0444); module_param(brightness, int, 0444); module_param(threeg, int, 0444); module_param(force_series, int, 0444); +module_param(launch_manager, bool, 0444); MODULE_PARM_DESC(mailled, "Set initial state of Mail LED"); MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness"); MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware"); MODULE_PARM_DESC(force_series, "Force a different laptop series"); +MODULE_PARM_DESC(launch_manager, "Enable Acer Launch Manager mode"); struct acer_data { int mailled; @@ -1393,6 +1411,53 @@ error_debugfs: return -ENOMEM; } +static int acer_wmi_enable_lm(void) +{ + struct lm_return_value return_value; + acpi_status status; + union acpi_object *obj; + struct lm_input_params params = { + .function_num = 0x1, + .commun_devices = 0x0041, /* WiFi on, 3G on, BT off */ + .devices = 0xFFFF, + .lm_status = 0x41, /* Launch Manager Active */ + }; + + struct acpi_buffer input = { sizeof(struct lm_input_params), ¶ms }; + struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; + + status = wmi_evaluate_method(WMID_GUID3, 0, 0x1, &input, &output); + if (ACPI_FAILURE(status)) + return status; + + obj = output.pointer; + + if (!obj) + return -EINVAL; + else if (obj->type != ACPI_TYPE_BUFFER) { + kfree(obj); + return -EINVAL; + } + if (obj->buffer.length != 4) { + printk(ACER_WARNING "Unknown buffer length %d\n", + obj->buffer.length); + kfree(obj); + return -EINVAL; + } + + return_value = *((struct lm_return_value *)obj->buffer.pointer); + kfree(obj); + + if (return_value.error_code || return_value.ec_return_value) + printk(ACER_WARNING "Enabling Launch Manager failed: " + "0x%x - 0x%x\n", return_value.error_code, + return_value.ec_return_value); + else + printk(ACER_INFO "Enabled Launch Manager"); + + return status; +} + static int __init acer_wmi_init(void) { int err; @@ -1454,6 +1519,15 @@ static int __init acer_wmi_init(void) "generic video driver\n"); } + if (wmi_has_guid(WMID_GUID3) && launch_manager) { + if (ACPI_FAILURE(acer_wmi_enable_lm())) { + printk(ACER_ERR "Cannot enable Launch Manager mode\n"); + return -ENODEV; + } + } else if (!wmi_has_guid(WMID_GUID3) && launch_manager) { + printk(ACER_INFO "No WMID launch manager enable method\n"); + } + if (wmi_has_guid(ACERWMID_EVENT_GUID)) { err = acer_wmi_input_setup(); if (err) -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
