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authorKeyon Jie <yang.jie@linux.intel.com>2018-11-16 18:47:04 -0600
committerMark Brown <broonie@kernel.org>2018-11-20 16:53:17 +0000
commita3e620f8422832afd832ad5e20aa97d0c72bada8 (patch)
tree152329c667978e64a8aba61d2830fa16eb5d797c /sound/soc
parent8c4e7c2ee8096b5ca8214418f287b3878d578cc0 (diff)
ASoC: acpi: fix: continue searching when machine is ignored
The machine_quirk may return NULL which means the acpi entries should be skipped and search for next matched entry is needed, here add return check here and continue for NULL case. Signed-off-by: Keyon Jie <yang.jie@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/soc-acpi.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c
index b8e72b52db30..4fb29f0e561e 100644
--- a/sound/soc/soc-acpi.c
+++ b/sound/soc/soc-acpi.c
@@ -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;
}
}