diff options
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/Kconfig | 14 | ||||
| -rw-r--r-- | sound/hda/intel-dsp-config.c | 29 |
2 files changed, 26 insertions, 17 deletions
diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index 3bc9224d5e4f..9ed5cfa3c18c 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -46,3 +46,17 @@ config SND_INTEL_DSP_CONFIG select SND_INTEL_NHLT if ACPI # this config should be selected only for Intel DSP platforms. # A fallback is provided so that the code compiles in all cases. + +config SND_INTEL_BYT_PREFER_SOF + bool "Prefer SOF driver over SST on BY/CHT platforms" + depends on SND_SST_ATOM_HIFI2_PLATFORM_ACPI && SND_SOC_SOF_BAYTRAIL + default n + help + The kernel has 2 drivers for the Low Power Engine audio-block on + Bay- and Cherry-Trail SoCs. The old SST driver and the new SOF + driver. If both drivers are enabled then the kernel will default + to using the old SST driver, unless told otherwise through the + snd_intel_dspcfg.dsp_driver module-parameter. + + Set this option to Y to make the kernel default to the new SOF + driver instead. diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c index c45686172517..68bb977c6a37 100644 --- a/sound/hda/intel-dsp-config.c +++ b/sound/hda/intel-dsp-config.c @@ -452,35 +452,30 @@ int snd_intel_dsp_driver_probe(struct pci_dev *pci) } EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe); +/* Should we default to SOF or SST for BYT/CHT ? */ +#if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \ + !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) +#define FLAG_SST_OR_SOF_BYT FLAG_SOF +#else +#define FLAG_SST_OR_SOF_BYT FLAG_SST +#endif + /* * configuration table * - the order of similar ACPI ID entries is important! * - the first successful match will win */ static const struct config_entry acpi_config_table[] = { +#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \ + IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) /* BayTrail */ -#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) - { - .flags = FLAG_SST, - .acpi_hid = "80860F28", - }, -#endif -#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) { - .flags = FLAG_SOF, + .flags = FLAG_SST_OR_SOF_BYT, .acpi_hid = "80860F28", }, -#endif /* CherryTrail */ -#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) - { - .flags = FLAG_SST, - .acpi_hid = "808622A8", - }, -#endif -#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) { - .flags = FLAG_SOF, + .flags = FLAG_SST_OR_SOF_BYT, .acpi_hid = "808622A8", }, #endif |