leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASoC: Intel: Add DMI quirk table to soc_intel_is_byt_cr()

Browse Source 
Some Bay Trail systems:
1. Use a non CR version of the Bay Trail SoC
2. Contain at least 6 interrupt resources so that the
   platform_get_resource(pdev, IORESOURCE_IRQ, 5) check to workaround
   non CR systems which list their IPC IRQ at index 0 despite being
   non CR does not work
3. Despite 1. and 2. still have their IPC IRQ at index 0 rather then 5

Add a DMI quirk table to check for the few known models with this issue,
so that the right IPC IRQ index is used on these systems.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210120214957.140232-5-hdegoede@redhat.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Hans de Goede 2021-01-20 22:49:56 +01:00 committed by Mark Brown
parent 017131e056
commit 8ade6d8b02
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
sound/soc/intel/common/soc-intel-quirks.h
View File

@ -11,6 +11,7 @@
#if IS_ENABLED(CONFIG_X86) #if IS_ENABLED(CONFIG_X86)
#include <linux/dmi.h>
#include <asm/cpu_device_id.h> #include <asm/cpu_device_id.h>
#include <asm/intel-family.h> #include <asm/intel-family.h>
#include <asm/iosf_mbi.h> #include <asm/iosf_mbi.h>
@ -38,12 +39,36 @@ SOC_INTEL_IS_CPU(cml, KABYLAKE_L);
static inline bool soc_intel_is_byt_cr(struct platform_device *pdev) static inline bool soc_intel_is_byt_cr(struct platform_device *pdev)
{ {
/*
* List of systems which:
* 1. Use a non CR version of the Bay Trail SoC
* 2. Contain at least 6 interrupt resources so that the
* platform_get_resource(pdev, IORESOURCE_IRQ, 5) check below
* succeeds
* 3. Despite 1. and 2. still have their IPC IRQ at index 0 rather then 5
*
* This needs to be here so that it can be shared between the SST and
* SOF drivers. We rely on the compiler to optimize this out in files
* where soc_intel_is_byt_cr is not used.
*/
static const struct dmi_system_id force_bytcr_table[] = {
{ /* Lenovo Yoga Tablet 2 series */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_FAMILY, "YOGATablet2"),
},
},
{}
};
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
int status = 0; int status = 0;
if (!soc_intel_is_byt()) if (!soc_intel_is_byt())
return false; return false;
if (dmi_check_system(force_bytcr_table))
return true;
if (iosf_mbi_available()) { if (iosf_mbi_available()) {
u32 bios_status; u32 bios_status;