diff options
| author | Naveen M <naveen.m@intel.com> | 2017-05-15 13:42:13 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-05-24 18:27:39 +0100 |
| commit | 915ae2b9f0fe0357a8f9cc53a7eb18ded03d11a4 (patch) | |
| tree | 8dc8b3df043770b9f3c14521822d9700908b380d /sound/soc | |
| parent | 9bf70cd4cd9f82a5f914fbf1fa0d32eff7a5d892 (diff) | |
ASoC: Intel: Create a helper to search for matching machine
Create a helper function to search for a matching machine
based on HID. No functional change
Signed-off-by: Naveen M <naveen.m@intel.com>
Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/intel/common/sst-acpi.h | 3 | ||||
| -rw-r--r-- | 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 214e000667ae..3649d3b08c9e 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 1070f3ad23e5..f4af3d144b82 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; } |