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ASoC: Intel: Atom: Add quirk for Surface 3

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Surface 3 is CHT based device which shows up with RT5645 codec. But the
BIOS reports ACPI ID as 5640!

To solve this, add a DMI overide for cht-5640 machine.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98001
Signed-off-by: Sachin Mokashi <sachinx.mokashi@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul 2016-07-08 15:39:49 +05:30 committed by Mark Brown
parent 91c1832579
commit 73a33f6f6d
2 changed files with 44 additions and 2 deletions
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44
sound/soc/intel/atom/sst/sst_acpi.c
View File

@ -28,6 +28,7 @@
#include <linux/firmware.h>
#include <linux/pm_runtime.h>
#include <linux/pm_qos.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <asm/platform_sst_audio.h>
#include <sound/core.h>
@ -237,6 +238,9 @@ static int sst_acpi_probe(struct platform_device *pdev)
dev_err(dev, "No matching machine driver found\n");
return -ENODEV;
}
if (mach->machine_quirk)
mach = mach->machine_quirk(mach);
pdata = mach->pdata;
ret = kstrtouint(id->id, 16, &dev_id);
@ -320,6 +324,44 @@ static int sst_acpi_remove(struct platform_device *pdev)
return 0;
}
static unsigned long cht_machine_id;
#define CHT_SURFACE_MACH 1
static int cht_surface_quirk_cb(const struct dmi_system_id *id)
{
cht_machine_id = CHT_SURFACE_MACH;
return 1;
}
static const struct dmi_system_id cht_table[] = {
{
.callback = cht_surface_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
},
},
};
static struct sst_acpi_mach cht_surface_mach = {
"10EC5640", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
&chv_platform_data };
struct sst_acpi_mach *cht_quirk(void *arg)
{
struct sst_acpi_mach *mach = arg;
dmi_check_system(cht_table);
if (cht_machine_id == CHT_SURFACE_MACH)
return &cht_surface_mach;
else
return mach;
}
static struct sst_acpi_mach sst_acpi_bytcr[] = {
{"10EC5640", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
&byt_rvp_platform_data },
@ -343,7 +385,7 @@ static struct sst_acpi_mach sst_acpi_chv[] = {
{"193C9890", "cht-bsw-max98090", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
&chv_platform_data },
/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
{"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", "bytcr_rt5640", NULL,
{"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", "bytcr_rt5640", cht_quirk,
&chv_platform_data },
{},

2
sound/soc/intel/common/sst-acpi.h
View File

@ -40,6 +40,6 @@ struct sst_acpi_mach {
/* board name */
const char *board;
void (*machine_quirk)(void);
struct sst_acpi_mach * (*machine_quirk)(void *arg);
void *pdata;
};