This code to find the machine is common for all drivers so move it to a separate file and header for use in other drivers
Signed-off-by: Vinod Koul vinod.koul@intel.com --- sound/soc/intel/common/Makefile | 3 +-- sound/soc/intel/common/sst-acpi.c | 33 +------------------------ sound/soc/intel/common/sst-acpi.h | 28 +++++++++++++++++++++ sound/soc/intel/common/sst-match-acpi.c | 43 +++++++++++++++++++++++++++++++++ 4 files changed, 73 insertions(+), 34 deletions(-) create mode 100644 sound/soc/intel/common/sst-acpi.h create mode 100644 sound/soc/intel/common/sst-match-acpi.c
diff --git a/sound/soc/intel/common/Makefile b/sound/soc/intel/common/Makefile index d9105584c51f..658edce16761 100644 --- a/sound/soc/intel/common/Makefile +++ b/sound/soc/intel/common/Makefile @@ -1,5 +1,5 @@ snd-soc-sst-dsp-objs := sst-dsp.o -snd-soc-sst-acpi-objs := sst-acpi.o +snd-soc-sst-acpi-objs := sst-acpi.o sst-match-acpi.o snd-soc-sst-ipc-objs := sst-ipc.o
ifneq ($(CONFIG_DW_DMAC_CORE),) @@ -8,4 +8,3 @@ endif
obj-$(CONFIG_SND_SOC_INTEL_SST) += snd-soc-sst-dsp.o snd-soc-sst-ipc.o obj-$(CONFIG_SND_SOC_INTEL_SST_ACPI) += snd-soc-sst-acpi.o - diff --git a/sound/soc/intel/common/sst-acpi.c b/sound/soc/intel/common/sst-acpi.c index 67b6d3d52f57..94a43e6fcf88 100644 --- a/sound/soc/intel/common/sst-acpi.c +++ b/sound/soc/intel/common/sst-acpi.c @@ -21,21 +21,12 @@ #include <linux/platform_device.h>
#include "sst-dsp.h" +#include "sst-acpi.h"
#define SST_LPT_DSP_DMA_ADDR_OFFSET 0x0F0000 #define SST_WPT_DSP_DMA_ADDR_OFFSET 0x0FE000 #define SST_LPT_DSP_DMA_SIZE (1024 - 1)
-/* Descriptor for SST ASoC machine driver */ -struct sst_acpi_mach { - /* ACPI ID for the matching machine driver. Audio codec for instance */ - const u8 id[ACPI_ID_LEN]; - /* machine driver name */ - const char *drv_name; - /* firmware file name */ - const char *fw_filename; -}; - /* Descriptor for setting up SST platform data */ struct sst_acpi_desc { const char *drv_name; @@ -88,28 +79,6 @@ static void sst_acpi_fw_cb(const struct firmware *fw, void *context) return; }
-static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level, - void *context, void **ret) -{ - *(bool *)context = true; - return AE_OK; -} - -static struct sst_acpi_mach *sst_acpi_find_machine( - struct sst_acpi_mach *machines) -{ - struct sst_acpi_mach *mach; - bool found = false; - - for (mach = machines; mach->id[0]; mach++) - if (ACPI_SUCCESS(acpi_get_devices(mach->id, - sst_acpi_mach_match, - &found, NULL)) && found) - return mach; - - return NULL; -} - static int sst_acpi_probe(struct platform_device *pdev) { const struct acpi_device_id *id; diff --git a/sound/soc/intel/common/sst-acpi.h b/sound/soc/intel/common/sst-acpi.h new file mode 100644 index 000000000000..1dc059590ead --- /dev/null +++ b/sound/soc/intel/common/sst-acpi.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2013-15, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/acpi.h> + +/* acpi match */ +struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines); + +/* Descriptor for SST ASoC machine driver */ +struct sst_acpi_mach { + /* ACPI ID for the matching machine driver. Audio codec for instance */ + const u8 id[ACPI_ID_LEN]; + /* machine driver name */ + const char *drv_name; + /* firmware file name */ + const char *fw_filename; +}; diff --git a/sound/soc/intel/common/sst-match-acpi.c b/sound/soc/intel/common/sst-match-acpi.c new file mode 100644 index 000000000000..dd077e116d25 --- /dev/null +++ b/sound/soc/intel/common/sst-match-acpi.c @@ -0,0 +1,43 @@ +/* + * sst_match_apci.c - SST (LPE) match for ACPI enumeration. + * + * Copyright (c) 2013-15, Intel Corporation. + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include "sst-acpi.h" + +static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level, + void *context, void **ret) +{ + *(bool *)context = true; + return AE_OK; +} + +struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines) +{ + struct sst_acpi_mach *mach; + bool found = false; + + for (mach = machines; mach->id[0]; mach++) + if (ACPI_SUCCESS(acpi_get_devices(mach->id, + sst_acpi_mach_match, + &found, NULL)) && found) + return mach; + + return NULL; +} +EXPORT_SYMBOL_GPL(sst_acpi_find_machine);