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-rw-r--r--sound/soc/soc-acpi.c73
1 files changed, 5 insertions, 68 deletions
diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c
index f21df28..3d7e1ff 100644
--- a/sound/soc/soc-acpi.c
+++ b/sound/soc/soc-acpi.c
@@ -16,79 +16,16 @@
#include <sound/soc-acpi.h>
-static acpi_status snd_soc_acpi_find_name(acpi_handle handle, u32 level,
- void *context, void **ret)
-{
- struct acpi_device *adev;
- const char *name = NULL;
-
- if (acpi_bus_get_device(handle, &adev))
- return AE_OK;
-
- if (adev->status.present && adev->status.functional) {
- name = acpi_dev_name(adev);
- *(const char **)ret = name;
- return AE_CTRL_TERMINATE;
- }
-
- return AE_OK;
-}
-
-const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
-{
- const char *name = NULL;
- acpi_status status;
-
- status = acpi_get_devices(hid, snd_soc_acpi_find_name, NULL,
- (void **)&name);
-
- if (ACPI_FAILURE(status) || name[0] == '\0')
- return NULL;
-
- return name;
-}
-EXPORT_SYMBOL_GPL(snd_soc_acpi_find_name_from_hid);
-
-static acpi_status snd_soc_acpi_mach_match(acpi_handle handle, u32 level,
- void *context, void **ret)
-{
- unsigned long long sta;
- acpi_status status;
-
- *(bool *)context = true;
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_PRESENT))
- *(bool *)context = false;
-
- return AE_OK;
-}
-
-bool snd_soc_acpi_check_hid(const u8 hid[ACPI_ID_LEN])
-{
- acpi_status status;
- bool found = false;
-
- status = acpi_get_devices(hid, snd_soc_acpi_mach_match, &found, NULL);
-
- if (ACPI_FAILURE(status))
- return false;
-
- return found;
-}
-EXPORT_SYMBOL_GPL(snd_soc_acpi_check_hid);
-
struct snd_soc_acpi_mach *
snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
{
struct snd_soc_acpi_mach *mach;
for (mach = machines; mach->id[0]; mach++) {
- if (snd_soc_acpi_check_hid(mach->id) == true) {
- if (mach->machine_quirk == NULL)
- return mach;
-
- if (mach->machine_quirk(mach) != NULL)
- return mach;
+ if (acpi_dev_present(mach->id, NULL, -1)) {
+ if (mach->machine_quirk)
+ mach = mach->machine_quirk(mach);
+ return mach;
}
}
return NULL;
@@ -163,7 +100,7 @@ struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
return mach;
for (i = 0; i < codec_list->num_codecs; i++) {
- if (snd_soc_acpi_check_hid(codec_list->codecs[i]) != true)
+ if (!acpi_dev_present(codec_list->codecs[i], NULL, -1))
return NULL;
}
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