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| author | Corentin Chary <corentincj@iksaif.net> | 2010-11-29 10:14:10 +0300 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2011-01-08 01:03:43 +0300 |
| commit | 2a3f0064f2a06d5a31cddb0e452681d9f884bd8c (patch) | |
| tree | 267c9945eb7b45b61176585eb1367cd39bf6ff78 /drivers/platform/x86/eeepc-wmi.c | |
| parent | 8c1b2d83e82e11b9447d7fb3715d6c9764f6f28d (diff) | |
| download | linux-2a3f0064f2a06d5a31cddb0e452681d9f884bd8c.tar.xz | |
eeepc-wmi: fix confusion between ctrl_param and retval
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/eeepc-wmi.c')
| -rw-r--r-- | drivers/platform/x86/eeepc-wmi.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 253070ab963c..78306bea01f7 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -164,7 +164,7 @@ static void eeepc_wmi_input_exit(struct eeepc_wmi *eeepc) eeepc->inputdev = NULL; } -static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *ctrl_param) +static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *retval) { struct acpi_buffer input = { (acpi_size)sizeof(u32), &dev_id }; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -184,8 +184,8 @@ static acpi_status eeepc_wmi_get_devstate(u32 dev_id, u32 *ctrl_param) else tmp = 0; - if (ctrl_param) - *ctrl_param = tmp; + if (retval) + *retval = tmp; kfree(obj); @@ -266,14 +266,14 @@ static void tpd_led_set(struct led_classdev *led_cdev, static int read_tpd_state(struct eeepc_wmi *eeepc) { - static u32 ctrl_param; + static u32 retval; acpi_status status; - status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_TPDLED, &ctrl_param); + status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_TPDLED, &retval); if (ACPI_FAILURE(status)) return -1; - else if (!ctrl_param || ctrl_param == 0x00060000) + else if (!retval || retval == 0x00060000) /* * if touchpad led is present, DSTS will set some bits, * usually 0x00020000. @@ -282,7 +282,7 @@ static int read_tpd_state(struct eeepc_wmi *eeepc) return -ENODEV; else /* Status is stored in the first bit */ - return ctrl_param & 0x1; + return retval & 0x1; } static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) @@ -343,15 +343,15 @@ static int eeepc_rfkill_set(void *data, bool blocked) static void eeepc_rfkill_query(struct rfkill *rfkill, void *data) { int dev_id = (unsigned long)data; - u32 ctrl_param; + u32 retval; acpi_status status; - status = eeepc_wmi_get_devstate(dev_id, &ctrl_param); + status = eeepc_wmi_get_devstate(dev_id, &retval); if (ACPI_FAILURE(status)) return ; - rfkill_set_sw_state(rfkill, !(ctrl_param & 0x1)); + rfkill_set_sw_state(rfkill, !(retval & 0x1)); } static const struct rfkill_ops eeepc_rfkill_ops = { @@ -365,10 +365,10 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc, enum rfkill_type type, int dev_id) { int result; - u32 ctrl_param; + u32 retval; acpi_status status; - status = eeepc_wmi_get_devstate(dev_id, &ctrl_param); + status = eeepc_wmi_get_devstate(dev_id, &retval); if (ACPI_FAILURE(status)) return -1; @@ -379,7 +379,7 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc, * 0x00020000 - 0100000000000000000 - device supported * 0x00010000 - 0010000000000000000 - not supported / special mode ? */ - if (!ctrl_param || ctrl_param == 0x00060000) + if (!retval || retval == 0x00060000) return -ENODEV; *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type, @@ -388,7 +388,7 @@ static int eeepc_new_rfkill(struct eeepc_wmi *eeepc, if (!*rfkill) return -EINVAL; - rfkill_init_sw_state(*rfkill, !(ctrl_param & 0x1)); + rfkill_init_sw_state(*rfkill, !(retval & 0x1)); result = rfkill_register(*rfkill); if (result) { rfkill_destroy(*rfkill); @@ -457,15 +457,15 @@ exit: */ static int read_brightness(struct backlight_device *bd) { - static u32 ctrl_param; + static u32 retval; acpi_status status; - status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BACKLIGHT, &ctrl_param); + status = eeepc_wmi_get_devstate(EEEPC_WMI_DEVID_BACKLIGHT, &retval); if (ACPI_FAILURE(status)) return -1; else - return ctrl_param & 0xFF; + return retval & 0xFF; } static int update_bl_status(struct backlight_device *bd) |