Merge tag 's390-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
[linux-2.6-microblaze.git] / sound / soc / soc-acpi.c
index b8e72b5..4fb29f0 100644 (file)
@@ -10,11 +10,17 @@ struct snd_soc_acpi_mach *
 snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
 {
        struct snd_soc_acpi_mach *mach;
+       struct snd_soc_acpi_mach *mach_alt;
 
        for (mach = machines; mach->id[0]; mach++) {
                if (acpi_dev_present(mach->id, NULL, -1)) {
-                       if (mach->machine_quirk)
-                               mach = mach->machine_quirk(mach);
+                       if (mach->machine_quirk) {
+                               mach_alt = mach->machine_quirk(mach);
+                               if (!mach_alt)
+                                       continue; /* not full match, ignore */
+                               mach = mach_alt;
+                       }
+
                        return mach;
                }
        }