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ASoC: Replace snd_soc_acpi_check_hid with acpi_dev_present

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Replace snd_soc_acpi_check_hid() with the generic acpi_dev_present()
and remove the now unused snd_soc_acpi_check_hid function. This should
have no functional change.

Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeremy Cline 2018-01-05 14:55:34 -06:00 committed by Mark Brown
parent 498495dba2
commit 0d5ea120ab
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GPG Key ID: 24D68B725D5487D0
2 changed files with 2 additions and 33 deletions
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3
include/sound/soc-acpi.h
View File

@ -49,9 +49,6 @@ snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
struct snd_soc_acpi_mach *
snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
/* acpi check hid */
bool snd_soc_acpi_check_hid(const u8 hid[ACPI_ID_LEN]);
/**
* snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
* related to the hardware, except for the firmware and topology file names.

32
sound/soc/soc-acpi.c
View File

@ -49,41 +49,13 @@ const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
}
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 (acpi_dev_present(mach->id, NULL, -1)) {
if (mach->machine_quirk)
mach = mach->machine_quirk(mach);
return mach;
@ -161,7 +133,7 @@ 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;
}