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sony-laptop: correct find_snc_handle failure checks
Since bab7084c74
, find_snc_handle
returns -EINVAL, not -1.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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parent
56f4a9f76d
commit
a1071a5abf
@ -2555,19 +2555,19 @@ static void sony_nc_backlight_setup(void)
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const struct backlight_ops *ops = NULL;
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struct backlight_properties props;
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if (sony_find_snc_handle(0x12f) != -1) {
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if (sony_find_snc_handle(0x12f) >= 0) {
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ops = &sony_backlight_ng_ops;
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sony_bl_props.cmd_base = 0x0100;
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sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
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max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
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} else if (sony_find_snc_handle(0x137) != -1) {
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} else if (sony_find_snc_handle(0x137) >= 0) {
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ops = &sony_backlight_ng_ops;
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sony_bl_props.cmd_base = 0x0100;
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sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
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max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
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} else if (sony_find_snc_handle(0x143) != -1) {
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} else if (sony_find_snc_handle(0x143) >= 0) {
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ops = &sony_backlight_ng_ops;
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sony_bl_props.cmd_base = 0x3000;
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sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
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