diff options
author | Ike Panhc <ike.pan@canonical.com> | 2010-12-13 13:01:12 +0300 |
---|---|---|
committer | Matthew Garrett <mjg@redhat.com> | 2011-01-08 01:03:47 +0300 |
commit | c1f73658edc8ac6f624968b47a276361ce032ca9 (patch) | |
tree | da2bc9b2bb127152dd7a36a0029be9227a6fd33a /drivers/platform/x86 | |
parent | 8693ae846cad00e6c2c40e116ec1fc50c145b559 (diff) | |
download | linux-c1f73658edc8ac6f624968b47a276361ce032ca9.tar.xz |
ideapad: pass ideapad_priv as argument (part 2)
Passing ideapad_priv as argument and try not to using too much global variable.
This is part 2 for rfkill.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r-- | drivers/platform/x86/ideapad-laptop.c | 71 |
1 files changed, 29 insertions, 42 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 37fe0d0448c9..114d95247cdf 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -31,32 +31,15 @@ #include <linux/input.h> #include <linux/input/sparse-keymap.h> -#define IDEAPAD_DEV_CAMERA 0 -#define IDEAPAD_DEV_WLAN 1 -#define IDEAPAD_DEV_BLUETOOTH 2 -#define IDEAPAD_DEV_3G 3 -#define IDEAPAD_DEV_KILLSW 4 +#define IDEAPAD_RFKILL_DEV_NUM (3) struct ideapad_private { - acpi_handle handle; - struct rfkill *rfk[5]; + struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; struct platform_device *platform_device; struct input_dev *inputdev; -} *ideapad_priv; - -static struct { - char *name; - int cfgbit; - int opcode; - int type; -} ideapad_rfk_data[] = { - { "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 } }; +static acpi_handle ideapad_handle; static bool no_bt_rfkill; module_param(no_bt_rfkill, bool, 0444); MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); @@ -176,11 +159,9 @@ static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, char *buf) { - struct ideapad_private *priv = dev_get_drvdata(dev); - acpi_handle handle = priv->handle; unsigned long result; - if (read_ec_data(handle, 0x1D, &result)) + if (read_ec_data(ideapad_handle, 0x1D, &result)) return sprintf(buf, "-1\n"); return sprintf(buf, "%lu\n", result); } @@ -189,15 +170,13 @@ static ssize_t store_ideapad_cam(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct ideapad_private *priv = dev_get_drvdata(dev); - acpi_handle handle = priv->handle; int ret, state; if (!count) return 0; if (sscanf(buf, "%i", &state) != 1) return -EINVAL; - ret = write_ec_cmd(handle, 0x1E, state); + ret = write_ec_cmd(ideapad_handle, 0x1E, state); if (ret < 0) return ret; return count; @@ -208,16 +187,24 @@ static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); /* * Rfkill */ +struct ideapad_rfk_data { + char *name; + int cfgbit; + int opcode; + int type; +}; + +const struct ideapad_rfk_data ideapad_rfk_data[] = { + { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN }, + { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH }, + { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN }, +}; + static int ideapad_rfk_set(void *data, bool blocked) { - int device = (unsigned long)data; - - if (device == IDEAPAD_DEV_KILLSW) - return -EINVAL; + unsigned long opcode = (unsigned long)data; - return write_ec_cmd(ideapad_priv->handle, - ideapad_rfk_data[device].opcode, - !blocked); + return write_ec_cmd(ideapad_handle, opcode, !blocked); } static struct rfkill_ops ideapad_rfk_ops = { @@ -227,15 +214,14 @@ static struct rfkill_ops ideapad_rfk_ops = { static void ideapad_sync_rfk_state(struct acpi_device *adevice) { struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); - acpi_handle handle = priv->handle; unsigned long hw_blocked; int i; - if (read_ec_data(handle, 0x23, &hw_blocked)) + if (read_ec_data(ideapad_handle, 0x23, &hw_blocked)) return; hw_blocked = !hw_blocked; - for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) + for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) if (priv->rfk[i]) rfkill_set_hw_state(priv->rfk[i], hw_blocked); } @@ -250,7 +236,7 @@ static int __devinit ideapad_register_rfkill(struct acpi_device *adevice, if (no_bt_rfkill && (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) { /* Force to enable bluetooth when no_bt_rfkill=1 */ - write_ec_cmd(ideapad_priv->handle, + write_ec_cmd(ideapad_handle, ideapad_rfk_data[dev].opcode, 1); return 0; } @@ -261,7 +247,7 @@ static int __devinit ideapad_register_rfkill(struct acpi_device *adevice, if (!priv->rfk[dev]) return -ENOMEM; - if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1, + if (read_ec_data(ideapad_handle, ideapad_rfk_data[dev].opcode-1, &sw_blocked)) { rfkill_init_sw_state(priv->rfk[dev], 0); } else { @@ -414,9 +400,8 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice) priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - ideapad_priv = priv; - priv->handle = adevice->handle; dev_set_drvdata(&adevice->dev, priv); + ideapad_handle = adevice->handle; ret = ideapad_platform_init(priv); if (ret) @@ -426,9 +411,11 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice) if (ret) goto input_failed; - for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++) { + for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) { if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg)) ideapad_register_rfkill(adevice, i); + else + priv->rfk[i] = NULL; } ideapad_sync_rfk_state(adevice); @@ -446,7 +433,7 @@ static int __devexit ideapad_acpi_remove(struct acpi_device *adevice, int type) struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); int i; - for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++) + for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) ideapad_unregister_rfkill(adevice, i); ideapad_input_exit(priv); ideapad_platform_exit(priv); |