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ASoC: SOF: Introduce function sof_of_machine_select

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From current design in sof_machine_check and snd_sof_new_platform_drv,
the SOF can only support ACPI type machine.

1. In sof_machine_check if there is no ACPI machine exist, the function
will return -ENODEV directly, that's we don't expected if we do not
base on ACPI machine.

2. In snd_sof_new_platform_drv the component driver need a driver name
to do ignore_machine, currently the driver name is obtained from
machine->drv_name, and the type of machine is snd_soc_acpi_mach.

So we add a new function named sof_of_machine_select that we can pass
sof_machine_check and obtain info required by snd_sof_new_platform_drv.

Signed-off-by: Chunxu Li <chunxu.li@mediatek.com>
Link: https://lore.kernel.org/r/20220805070449.6611-2-chunxu.li@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Chunxu Li 2022-08-05 15:04:48 +08:00 committed by Mark Brown
parent 94f0727483
commit 6ace85b983
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 17 additions and 1 deletions
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2
include/sound/sof.h
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@ -89,6 +89,7 @@ struct snd_sof_pdata {
/* machine */
struct platform_device *pdev_mach;
const struct snd_soc_acpi_mach *machine;
const struct snd_sof_of_mach *of_machine;
void *hw_pdata;
@ -102,6 +103,7 @@ struct snd_sof_pdata {
struct sof_dev_desc {
/* list of machines using this configuration */
struct snd_soc_acpi_mach *machines;
struct snd_sof_of_mach *of_machines;
/* alternate list of machines using this configuration */
struct snd_soc_acpi_mach *alt_machines;

8
sound/soc/sof/pcm.c
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@ -13,6 +13,7 @@
#include <linux/pm_runtime.h>
#include <sound/pcm_params.h>
#include <sound/sof.h>
#include "sof-of-dev.h"
#include "sof-priv.h"
#include "sof-audio.h"
#include "sof-utils.h"
@ -655,7 +656,12 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
struct snd_sof_pdata *plat_data = sdev->pdata;
const char *drv_name;
drv_name = plat_data->machine->drv_name;
if (plat_data->machine)
drv_name = plat_data->machine->drv_name;
else if (plat_data->of_machine)
drv_name = plat_data->of_machine->drv_name;
else
drv_name = NULL;
pd->name = "sof-audio-component";
pd->probe = sof_pcm_probe;

1
sound/soc/sof/sof-audio.c
View File

@ -10,6 +10,7 @@
#include <linux/bitfield.h>
#include "sof-audio.h"
#include "sof-of-dev.h"
#include "ops.h"
static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget)

7
sound/soc/sof/sof-of-dev.h
View File

@ -9,6 +9,13 @@
#ifndef __SOUND_SOC_SOF_OF_H
#define __SOUND_SOC_SOF_OF_H
struct snd_sof_of_mach {
const char *compatible;
const char *drv_name;
const char *fw_filename;
const char *sof_tplg_filename;
};
extern const struct dev_pm_ops sof_of_pm;
int sof_of_probe(struct platform_device *pdev);