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ASoC: Intel: Use acpi_dev_present() 

Use shiny new acpi_dev_present() and remove all the boilerplate
to search for a particular ACPI device. No functional change.
Cf. 2d12b6b381 ("ACPI / utils: Add acpi_dev_present()").

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lukas Wunner 2016-01-14 21:57:20 +01:00 committed by Mark Brown
parent 92e963f50f
commit 6f08cbdaac
3 changed files with 4 additions and 42 deletions
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17
sound/soc/intel/boards/cht_bsw_max98090_ti.c
View File

@ -287,33 +287,20 @@ static struct snd_soc_card snd_soc_card_cht = {
.num_controls = ARRAY_SIZE(cht_mc_controls),
};
static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level,
void *context, void **ret)
{
*(bool *)context = true;
return AE_OK;
}
static int snd_cht_mc_probe(struct platform_device *pdev)
{
int ret_val = 0;
bool found = false;
struct cht_mc_private *drv;
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
if (!drv)
return -ENOMEM;
if (ACPI_SUCCESS(acpi_get_devices(
"104C227E",
snd_acpi_codec_match,
&found, NULL)) && found) {
drv->ts3a227e_present = true;
} else {
drv->ts3a227e_present = acpi_dev_present("104C227E");
if (!drv->ts3a227e_present) {
/* no need probe TI jack detection chip */
snd_soc_card_cht.aux_dev = NULL;
snd_soc_card_cht.num_aux_devs = 0;
drv->ts3a227e_present = false;
}
/* register the soc card */

13
sound/soc/intel/boards/cht_bsw_rt5645.c
View File

@ -333,20 +333,12 @@ static struct cht_acpi_card snd_soc_cards[] = {
{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
};
static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level,
void *context, void **ret)
{
*(bool *)context = true;
return AE_OK;
}
static int snd_cht_mc_probe(struct platform_device *pdev)
{
int ret_val = 0;
int i;
struct cht_mc_private *drv;
struct snd_soc_card *card = snd_soc_cards[0].soc_card;
bool found = false;
char codec_name[16];
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
@ -354,10 +346,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(snd_soc_cards); i++) {
if (ACPI_SUCCESS(acpi_get_devices(
snd_soc_cards[i].codec_id,
snd_acpi_codec_match,
&found, NULL)) && found) {
if (acpi_dev_present(snd_soc_cards[i].codec_id)) {
dev_dbg(&pdev->dev,
"found codec %s\n", snd_soc_cards[i].codec_id);
card = snd_soc_cards[i].soc_card;

16
sound/soc/intel/common/sst-match-acpi.c
View File

@ -13,29 +13,15 @@
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "sst-acpi.h"
static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level,
void *context, void **ret)
{
*(bool *)context = true;
return AE_OK;
}
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 (acpi_dev_present(mach->id))
return mach;
return NULL;