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| author | Corentin Chary <corentincj@iksaif.net> | 2010-01-17 17:20:11 +0100 |
|---|---|---|
| committer | Corentin Chary <corentincj@iksaif.net> | 2010-02-28 19:35:12 +0100 |
| commit | e5593bf18be79b4897c7ec8b392dc7f07cbc1b11 (patch) | |
| tree | 0c5b5576724a121b882e310cc5b8f41542acac65 /drivers/platform | |
| parent | d99b577c729c4a29679fb1f605f9ccace154e0e5 (diff) | |
| download | kernel_samsung_crespo-e5593bf18be79b4897c7ec8b392dc7f07cbc1b11.zip kernel_samsung_crespo-e5593bf18be79b4897c7ec8b392dc7f07cbc1b11.tar.gz kernel_samsung_crespo-e5593bf18be79b4897c7ec8b392dc7f07cbc1b11.tar.bz2 | |
asus-laptop: add error check for write_acpi_int calls
Also add to helpers for bluetooth and wlan.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 671fad9..aad6b93 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -350,7 +350,7 @@ static int acpi_check_handle(acpi_handle handle, const char *method, } /* Generic LED function */ -static void asus_led_set(struct asus_laptop *asus, char *method, +static int asus_led_set(struct asus_laptop *asus, char *method, int value) { if (!strcmp(method, METHOD_MLED)) @@ -360,7 +360,7 @@ static void asus_led_set(struct asus_laptop *asus, char *method, else value = !!value; - write_acpi_int(asus->handle, method, value); + return write_acpi_int(asus->handle, method, value); } /* @@ -817,6 +817,15 @@ static int asus_wireless_status(struct asus_laptop *asus, int mask) /* * WLAN */ +static int asus_wlan_set(struct asus_laptop *asus, int status) +{ + if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) { + pr_warning("Error setting wlan status to %d", status); + return -EIO; + } + return 0; +} + static ssize_t show_wlan(struct device *dev, struct device_attribute *attr, char *buf) { @@ -836,6 +845,15 @@ static ssize_t store_wlan(struct device *dev, struct device_attribute *attr, /* * Bluetooth */ +static int asus_bluetooth_set(struct asus_laptop *asus, int status) +{ + if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) { + pr_warning("Error setting bluetooth status to %d", status); + return -EIO; + } + return 0; +} + static ssize_t show_bluetooth(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1353,8 +1371,8 @@ static int asus_laptop_get_info(struct asus_laptop *asus) (uint) bsts_result); /* This too ... */ - write_acpi_int(asus->handle, "CWAP", wapf); - + if (write_acpi_int(asus->handle, "CWAP", wapf)) + pr_err("Error calling CWAP(%d)\n", wapf); /* * Try to match the object returned by INIT to the specific model. * Handle every possible object (or the lack of thereof) the DSDT @@ -1426,11 +1444,10 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) /* WLED and BLED are on by default */ if (bluetooth_status >= 0) - write_acpi_int(asus->handle, METHOD_BLUETOOTH, - !!bluetooth_status); + asus_bluetooth_set(asus, !!bluetooth_status); + if (wireless_status >= 0) - write_acpi_int(asus->handle, METHOD_WLAN, - !!wireless_status); + asus_wlan_set(asus, !!wireless_status); /* Keyboard Backlight is on by default */ if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL)) |