diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2016-07-08 15:39:49 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-07-08 14:26:26 +0200 |
| commit | 73a33f6f6d44db203d0324b67ffed1d86d4c1c9a (patch) | |
| tree | ff447237d7c1637edf01abe220c194ed05d04fad /sound | |
| parent | 91c1832579700891747820862633f9a8d0d81fa4 (diff) | |
ASoC: Intel: Atom: Add quirk for Surface 3
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_acpi.c | 44 | ||||
| -rw-r--r-- | sound/soc/intel/common/sst-acpi.h | 2 |
2 files changed, 44 insertions, 2 deletions
diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index 3bc4b63b2f9d..82a374d885a7 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -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 }, {}, diff --git a/sound/soc/intel/common/sst-acpi.h b/sound/soc/intel/common/sst-acpi.h index b02f12900b93..5d2949324d0e 100644 --- a/sound/soc/intel/common/sst-acpi.h +++ b/sound/soc/intel/common/sst-acpi.h @@ -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; }; |