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ACPI: thinkpad-acpi: prepare for bluetooth and wwan rfkill support 

Get rid of some forward definitions by moving code around, this will make
the rfkill conversion of wwan and bluetooth a bit cleaner.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
This commit is contained in:
Henrique de Moraes Holschuh 2008-07-21 09:15:50 -03:00
parent 733e27c1cc
commit 07431ec82b
1 changed files with 74 additions and 80 deletions
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154
drivers/misc/thinkpad_acpi.c
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@ -2581,8 +2581,37 @@ enum {
TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
};
static int bluetooth_get_radiosw(void);
static int bluetooth_set_radiosw(int radio_on);
static int bluetooth_get_radiosw(void)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
return (status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0;
}
static int bluetooth_set_radiosw(int radio_on)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_BLUETOOTH_RADIOSSW;
else
status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
return 0;
}
/* sysfs bluetooth enable ---------------------------------------------- */
static ssize_t bluetooth_enable_show(struct device *dev,
@ -2628,6 +2657,12 @@ static const struct attribute_group bluetooth_attr_group = {
.attrs = bluetooth_attributes,
};
static void bluetooth_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
}
static int __init bluetooth_init(struct ibm_init_struct *iibm)
{
int res;
@ -2664,44 +2699,6 @@ static int __init bluetooth_init(struct ibm_init_struct *iibm)
return (tp_features.bluetooth)? 0 : 1;
}
static void bluetooth_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
}
static int bluetooth_get_radiosw(void)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0);
}
static int bluetooth_set_radiosw(int radio_on)
{
int status;
if (!tp_features.bluetooth)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_BLUETOOTH_RADIOSSW;
else
status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
return 0;
}
/* procfs -------------------------------------------------------------- */
static int bluetooth_read(char *p)
{
@ -2756,8 +2753,37 @@ enum {
TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
};
static int wan_get_radiosw(void);
static int wan_set_radiosw(int radio_on);
static int wan_get_radiosw(void)
{
int status;
if (!tp_features.wan)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
return (status & TP_ACPI_WANCARD_RADIOSSW) != 0;
}
static int wan_set_radiosw(int radio_on)
{
int status;
if (!tp_features.wan)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_WANCARD_RADIOSSW;
else
status &= ~TP_ACPI_WANCARD_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
return 0;
}
/* sysfs wan enable ---------------------------------------------------- */
static ssize_t wan_enable_show(struct device *dev,
@ -2803,6 +2829,12 @@ static const struct attribute_group wan_attr_group = {
.attrs = wan_attributes,
};
static void wan_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
}
static int __init wan_init(struct ibm_init_struct *iibm)
{
int res;
@ -2837,44 +2869,6 @@ static int __init wan_init(struct ibm_init_struct *iibm)
return (tp_features.wan)? 0 : 1;
}
static void wan_exit(void)
{
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
}
static int wan_get_radiosw(void)
{
int status;
if (!tp_features.wan)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0);
}
static int wan_set_radiosw(int radio_on)
{
int status;
if (!tp_features.wan)
return -ENODEV;
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
if (radio_on)
status |= TP_ACPI_WANCARD_RADIOSSW;
else
status &= ~TP_ACPI_WANCARD_RADIOSSW;
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
return 0;
}
/* procfs -------------------------------------------------------------- */
static int wan_read(char *p)
{