From f7313f9fc28781ad0801d8b9c692222445e664ca Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Thu, 12 Nov 2020 16:38:18 -0600 Subject: [PATCH] ASoC: SOF: acpi: add dynamic selection of DSP driver Follow PCI example and stop the probe when another driver is desired for the same ACPI HID. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Reviewed-by: Rander Wang Reviewed-by: Guennadi Liakhovetski Link: https://lore.kernel.org/r/20201112223825.39765-8-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/intel/Kconfig | 1 + sound/soc/sof/sof-acpi-dev.c | 14 +++++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/sound/soc/sof/intel/Kconfig b/sound/soc/sof/intel/Kconfig index b607dba5fb2a..7005fc67ca42 100644 --- a/sound/soc/sof/intel/Kconfig +++ b/sound/soc/sof/intel/Kconfig @@ -79,6 +79,7 @@ config SND_SOC_SOF_BAYTRAIL_SUPPORT config SND_SOC_SOF_BAYTRAIL tristate select SND_SOC_SOF_INTEL_ATOM_HIFI_EP + select SND_INTEL_DSP_CONFIG help This option is not user-selectable but automagically handled by 'select' statements at a higher level. diff --git a/sound/soc/sof/sof-acpi-dev.c b/sound/soc/sof/sof-acpi-dev.c index a78b76ef37b2..2a369c2c6551 100644 --- a/sound/soc/sof/sof-acpi-dev.c +++ b/sound/soc/sof/sof-acpi-dev.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -120,12 +121,23 @@ static void sof_acpi_probe_complete(struct device *dev) static int sof_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + const struct acpi_device_id *id; const struct sof_dev_desc *desc; struct snd_sof_pdata *sof_pdata; const struct snd_sof_dsp_ops *ops; int ret; - dev_dbg(&pdev->dev, "ACPI DSP detected"); + id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!id) + return -ENODEV; + + ret = snd_intel_acpi_dsp_driver_probe(dev, id->id); + if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { + dev_dbg(dev, "SOF ACPI driver not selected, aborting probe\n"); + return -ENODEV; + } + + dev_dbg(dev, "ACPI DSP detected"); sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL); if (!sof_pdata)