94001147a0
For some reason a number of files included the "All rights reserved" statement. Good old copy-paste made sure this mistake proliferated. Remove the "All rights reserved" in all Intel-copyright to align with internal guidance. Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20240503140359.259762-7-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2023 Intel Corporation
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*
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* Authors: Cezary Rojewski <cezary.rojewski@intel.com>
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* Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
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*/
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#ifndef __SOUND_SOC_INTEL_AVS_UTILS_H
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#define __SOUND_SOC_INTEL_AVS_UTILS_H
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#include <sound/soc-acpi.h>
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static inline bool avs_mach_singular_ssp(struct snd_soc_acpi_mach *mach)
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{
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return hweight_long(mach->mach_params.i2s_link_mask) == 1;
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}
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static inline u32 avs_mach_ssp_port(struct snd_soc_acpi_mach *mach)
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{
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return __ffs(mach->mach_params.i2s_link_mask);
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}
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static inline bool avs_mach_singular_tdm(struct snd_soc_acpi_mach *mach, u32 port)
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{
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unsigned long *tdms = mach->pdata;
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return !tdms || (hweight_long(tdms[port]) == 1);
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}
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static inline u32 avs_mach_ssp_tdm(struct snd_soc_acpi_mach *mach, u32 port)
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{
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unsigned long *tdms = mach->pdata;
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return tdms ? __ffs(tdms[port]) : 0;
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}
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static inline int avs_mach_get_ssp_tdm(struct device *dev, struct snd_soc_acpi_mach *mach,
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int *ssp_port, int *tdm_slot)
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{
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int port;
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if (!avs_mach_singular_ssp(mach)) {
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dev_err(dev, "Invalid SSP configuration\n");
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return -EINVAL;
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}
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port = avs_mach_ssp_port(mach);
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if (!avs_mach_singular_tdm(mach, port)) {
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dev_err(dev, "Invalid TDM configuration\n");
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return -EINVAL;
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}
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*ssp_port = port;
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*tdm_slot = avs_mach_ssp_tdm(mach, *ssp_port);
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return 0;
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}
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/*
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* Macro to easily generate format strings
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*/
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#define AVS_STRING_FMT(prefix, suffix, ssp, tdm) \
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(tdm) ? prefix "%d:%d" suffix : prefix "%d" suffix, (ssp), (tdm)
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#endif
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