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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /sound/soc/intel/atom
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'sound/soc/intel/atom')
-rw-r--r--sound/soc/intel/atom/sst/sst_acpi.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c
index cbdda5d7d..aaf6d6579 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", "/*(DEBLOBBED)*/", "cht-bsw", NULL,
+ &chv_platform_data };
+
+static 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", "/*(DEBLOBBED)*/", "bytcr_rt5640", NULL,
&byt_rvp_platform_data },
@@ -343,7 +385,7 @@ static struct sst_acpi_mach sst_acpi_chv[] = {
{"193C9890", "cht-bsw-max98090", "/*(DEBLOBBED)*/", "cht-bsw", NULL,
&chv_platform_data },
/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
- {"10EC5640", "bytcr_rt5640", "/*(DEBLOBBED)*/", "bytcr_rt5640", NULL,
+ {"10EC5640", "bytcr_rt5640", "/*(DEBLOBBED)*/", "bytcr_rt5640", cht_quirk,
&chv_platform_data },
{},