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author | Corentin Chary <corentincj@iksaif.net> | 2010-01-13 21:55:44 +0100 |
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committer | Corentin Chary <corentincj@iksaif.net> | 2010-02-28 19:35:11 +0100 |
commit | 6358bf2c4c309efc7c3cbc36466c32108c12c456 (patch) | |
tree | 88c2cefbb1a12402e4a0292ffb3c32d9477831ad | |
parent | aa9df930d6eabbd8f2439eca6b2f77f81ce425f2 (diff) | |
download | linux-6358bf2c4c309efc7c3cbc36466c32108c12c456.tar.bz2 |
asus-laptop: stop using read_status and store_status for GPS
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
-rw-r--r-- | drivers/platform/x86/asus-laptop.c | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index cee751e301a6..ea51d7e4df21 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -331,26 +331,9 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val) return write_acpi_int_ret(handle, method, val, NULL); } -static int read_gps_status(struct asus_laptop *asus) -{ - unsigned long long status; - acpi_status rv = AE_OK; - - rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); - if (ACPI_FAILURE(rv)) - pr_warning("Error reading GPS status\n"); - else - return status ? 1 : 0; - - return (asus->status & GPS_ON) ? 1 : 0; -} - /* Generic LED functions */ static int read_status(struct asus_laptop *asus, int mask) { - if (mask == GPS_ON) - return read_gps_status(asus); - return (asus->status & mask) ? 1 : 0; } @@ -979,21 +962,52 @@ static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr, /* * GPS + * TODO: use rfkill */ +static int asus_gps_status(struct asus_laptop *asus) +{ + unsigned long long status; + acpi_status rv = AE_OK; + + rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status); + if (ACPI_FAILURE(rv)) { + pr_warning("Error reading GPS status\n"); + return -ENODEV; + } + return !!status; +} + +static int asus_gps_switch(struct asus_laptop *asus, int status) +{ + acpi_handle handle = status ? gps_on_handle : gps_off_handle; + + if (write_acpi_int(handle, NULL, 0x02)) + return -ENODEV; + return 0; +} + static ssize_t show_gps(struct device *dev, struct device_attribute *attr, char *buf) { struct asus_laptop *asus = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", read_status(asus, GPS_ON)); + return sprintf(buf, "%d\n", asus_gps_status(asus)); } static ssize_t store_gps(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct asus_laptop *asus = dev_get_drvdata(dev); + struct asus_laptop *asus = dev_get_drvdata(dev); + int rv, value; + int ret; - return store_status(asus, buf, count, NULL, GPS_ON); + rv = parse_arg(buf, count, &value); + if (rv <= 0) + return -EINVAL; + ret = asus_gps_switch(asus, !!value); + if (ret) + return ret; + return rv; } /* @@ -1451,7 +1465,7 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) set_light_sens_level(asus, asus->light_level); /* GPS is on by default */ - write_status(asus, NULL, 1, GPS_ON); + asus_gps_switch(asus, 1); return result; } |