Create a helper function to search for a matching machine
based on HID. No functional change
Signed-off-by: Naveen M <naveen.m@xxxxxxxxx>
Signed-off-by: Harsha Priya <harshapriya.n@xxxxxxxxx>
---
sound/soc/intel/common/sst-acpi.h | 3 +++
sound/soc/intel/common/sst-match-acpi.c | 19 +++++++++++++++----
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/sound/soc/intel/common/sst-acpi.h b/sound/soc/intel/common/sst-acpi.h
index 214e000..3649d3b 100644
--- a/sound/soc/intel/common/sst-acpi.h
+++ b/sound/soc/intel/common/sst-acpi.h
@@ -43,6 +43,9 @@ static inline bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
/* acpi match */
struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines);
+/* acpi check hid */
+bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN]);
+
/* Descriptor for SST ASoC machine driver */
struct sst_acpi_mach {
/* ACPI ID for the matching machine driver. Audio codec for instance */
diff --git a/sound/soc/intel/common/sst-match-acpi.c b/sound/soc/intel/common/sst-match-acpi.c
index 1070f3a..f4af3d1 100644
--- a/sound/soc/intel/common/sst-match-acpi.c
+++ b/sound/soc/intel/common/sst-match-acpi.c
@@ -63,15 +63,26 @@ static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level,
return AE_OK;
}
+bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN])
+{
+ acpi_status status;
+ bool found = false;
+
+ status = acpi_get_devices(hid, sst_acpi_mach_match, &found, NULL);
+
+ if (ACPI_FAILURE(status))
+ return false;
+
+ return found;
+}
+EXPORT_SYMBOL_GPL(sst_acpi_check_hid);
+
struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines)
{
struct sst_acpi_mach *mach;
- bool found = false;
for (mach = machines; mach->id[0]; mach++)
- if (ACPI_SUCCESS(acpi_get_devices(mach->id,
- sst_acpi_mach_match,
- &found, NULL)) && found)
+ if (sst_acpi_check_hid(mach->id) == true)
return mach;
return NULL;
}
--
1.9.1
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