int
mbp_sysfs_backlight_probe(void)
{
int ret;
ret = sysfs_backlight_probe(SYSFS_DRIVER_MBP);
if (ret == 0)
return 0;
ret = sysfs_backlight_probe(SYSFS_DRIVER_NOUVEAU);
if (ret == 0)
return 0;
ret = sysfs_backlight_probe(SYSFS_DRIVER_NVIDIA);
if (ret == 0)
return 0;
/* Probe failed, wire up native driver instead */
switch (mops->type)
{
case MACHINE_MACBOOKPRO_3:
case MACHINE_MACBOOKPRO_4:
case MACHINE_MACBOOKPRO_5:
case MACHINE_MACBOOKPRO_6:
case MACHINE_MACBOOK_5:
case MACHINE_MACBOOK_6:
case MACHINE_MACBOOKAIR_2:
case MACHINE_MACBOOKAIR_3:
logmsg(LOG_INFO, "sysfs backlight probe failed, falling back to nv8600mgt");
ret = nv8600mgt_backlight_probe();
if (ret == 0)
{
/* Wire up fallback native driver */
mops->lcd_backlight_step = nv8600mgt_backlight_step;
mops->lcd_backlight_toggle = nv8600mgt_backlight_toggle;
}
return ret;
default:
logmsg(LOG_ERR, "sysfs backlight probe failed, no fallback for this machine");
return -1;
}
return -1;
}
int
nvidia_sysfs_backlight_probe(void)
{
return sysfs_backlight_probe(SYSFS_DRIVER_NVIDIA);
}
int
r9x00_sysfs_backlight_probe(void)
{
return sysfs_backlight_probe(SYSFS_DRIVER_RADEON);
}
int
aty128_sysfs_backlight_probe(void)
{
return sysfs_backlight_probe(SYSFS_DRIVER_ATY128);
}