sony-laptop: correct find_snc_handle failure checks

Since bab7084c745bf4d75b760728387f375fd34dc683, find_snc_handle
returns -EINVAL, not -1.

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Mattia Dongili
2012-06-14 06:36:02 +09:00
committed by Matthew Garrett
parent 56f4a9f76d
commit a1071a5abf

View File

@ -2555,19 +2555,19 @@ static void sony_nc_backlight_setup(void)
const struct backlight_ops *ops = NULL;
struct backlight_properties props;
if (sony_find_snc_handle(0x12f) != -1) {
if (sony_find_snc_handle(0x12f) >= 0) {
ops = &sony_backlight_ng_ops;
sony_bl_props.cmd_base = 0x0100;
sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
} else if (sony_find_snc_handle(0x137) != -1) {
} else if (sony_find_snc_handle(0x137) >= 0) {
ops = &sony_backlight_ng_ops;
sony_bl_props.cmd_base = 0x0100;
sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
} else if (sony_find_snc_handle(0x143) != -1) {
} else if (sony_find_snc_handle(0x143) >= 0) {
ops = &sony_backlight_ng_ops;
sony_bl_props.cmd_base = 0x3000;
sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);