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Now full support for the UMP buffers is available, it is possible to read the SDCA HID descriptors from the device and pass them to user-space. Add a helper function to process HID events from an SDCA device. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20251020155512.353774-20-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
39 lines
788 B
C
39 lines
788 B
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/*
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* The MIPI SDCA specification is available for public downloads at
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* https://www.mipi.org/mipi-sdca-v1-0-download
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*
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*/
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#ifndef __SDCA_HID_H__
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#define __SDCA_HID_H__
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struct device;
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struct sdw_slave;
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struct sdca_entity;
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struct sdca_interrupt;
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#if IS_ENABLED(CONFIG_SND_SOC_SDCA_HID)
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int sdca_add_hid_device(struct device *dev, struct sdw_slave *sdw,
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struct sdca_entity *entity);
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int sdca_hid_process_report(struct sdca_interrupt *interrupt);
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#else
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static inline int sdca_add_hid_device(struct device *dev, struct sdw_slave *sdw,
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struct sdca_entity *entity)
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{
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return 0;
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}
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static inline int sdca_hid_process_report(struct sdca_interrupt *interrupt)
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{
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return 0;
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}
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#endif
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#endif /* __SDCA_HID_H__ */
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