diff options
| author | Ike Panhc <ike.pan@canonical.com> | 2010-10-01 15:39:59 +0800 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-10-21 09:36:50 -0400 |
| commit | fa08359ee29bd0dc52a4281d0e482fff08664b96 (patch) | |
| tree | 22e3835fd6ec0e4c939e9c60a796dcccaa6efd11 /drivers/platform | |
| parent | 2b7266bd49efc84f6642cf9bb7fb37d286345d15 (diff) | |
| download | linux-fa08359ee29bd0dc52a4281d0e482fff08664b96.tar.bz2 | |
ideapad: rewrite the sw rfkill set
Control power of rf modules by ec commands
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/ideapad_acpi.c | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c index 09f6ce6b378d..e9f7395efc3a 100644 --- a/drivers/platform/x86/ideapad_acpi.c +++ b/drivers/platform/x86/ideapad_acpi.c @@ -37,18 +37,19 @@ struct ideapad_private { acpi_handle handle; struct rfkill *rfk[5]; -}; +} *ideapad_priv; static struct { char *name; int cfgbit; + int opcode; int type; } ideapad_rfk_data[] = { - { "ideapad_camera", 19, NUM_RFKILL_TYPES }, - { "ideapad_wlan", 18, RFKILL_TYPE_WLAN }, - { "ideapad_bluetooth", 16, RFKILL_TYPE_BLUETOOTH }, - { "ideapad_3g", 17, RFKILL_TYPE_WWAN }, - { "ideapad_killsw", 0, RFKILL_TYPE_WLAN } + { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES }, + { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN }, + { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH }, + { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN }, + { "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN } }; /* @@ -160,24 +161,6 @@ static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) } /* the above is ACPI helpers */ -static int ideapad_dev_set_state(int device, int state) -{ - acpi_status status; - union acpi_object in_params[2]; - struct acpi_object_list input = { 2, in_params }; - - in_params[0].type = ACPI_TYPE_INTEGER; - in_params[0].integer.value = device + 1; - in_params[1].type = ACPI_TYPE_INTEGER; - in_params[1].integer.value = state; - - status = acpi_evaluate_object(NULL, "\\_SB_.SECN", &input, NULL); - if (ACPI_FAILURE(status)) { - printk(KERN_WARNING "IdeaPAD \\_SB_.SECN method failed %d\n", status); - return -ENODEV; - } - return 0; -} static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, char *buf) @@ -217,7 +200,10 @@ static int ideapad_rfk_set(void *data, bool blocked) if (device == IDEAPAD_DEV_KILLSW) return -EINVAL; - return ideapad_dev_set_state(device, !blocked); + + return write_ec_cmd(ideapad_priv->handle, + ideapad_rfk_data[device].opcode, + !blocked); } static struct rfkill_ops ideapad_rfk_ops = { @@ -318,6 +304,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice) priv->handle = adevice->handle; dev_set_drvdata(&adevice->dev, priv); + ideapad_priv = priv; for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { if (!devs_present[i]) continue; |