281bd20437
Stop mbhc operations during ssr down to cancel any pending detection sequences. Change-Id: Iff054cf8b3099959a1be561bd937057258f57b81 Signed-off-by: Meng Wang <mengw@codeaurora.org>
70 рядки
2.0 KiB
C
70 рядки
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __WCD938X_MBHC_H__
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#define __WCD938X_MBHC_H__
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#include <asoc/wcd-mbhc-v2.h>
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struct wcd938x_mbhc {
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struct wcd_mbhc wcd_mbhc;
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struct blocking_notifier_head notifier;
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struct fw_info *fw_data;
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};
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#if IS_ENABLED(CONFIG_SND_SOC_WCD938X)
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extern int wcd938x_mbhc_init(struct wcd938x_mbhc **mbhc,
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struct snd_soc_component *component,
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struct fw_info *fw_data);
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extern void wcd938x_mbhc_hs_detect_exit(struct snd_soc_component *component);
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extern int wcd938x_mbhc_hs_detect(struct snd_soc_component *component,
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struct wcd_mbhc_config *mbhc_cfg);
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extern void wcd938x_mbhc_deinit(struct snd_soc_component *component);
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extern void wcd938x_mbhc_ssr_down(struct wcd938x_mbhc *mbhc,
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struct snd_soc_component *component);
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extern int wcd938x_mbhc_post_ssr_init(struct wcd938x_mbhc *mbhc,
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struct snd_soc_component *component);
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extern int wcd938x_mbhc_get_impedance(struct wcd938x_mbhc *wcd938x_mbhc,
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uint32_t *zl, uint32_t *zr);
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#else
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static inline int wcd938x_mbhc_init(struct wcd938x_mbhc **mbhc,
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struct snd_soc_component *component,
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struct fw_info *fw_data)
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{
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return 0;
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}
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static inline void wcd938x_mbhc_hs_detect_exit(
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struct snd_soc_component *component)
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{
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}
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static inline int wcd938x_mbhc_hs_detect(struct snd_soc_component *component,
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struct wcd_mbhc_config *mbhc_cfg)
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{
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return 0;
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}
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static inline void wcd938x_mbhc_deinit(struct snd_soc_component *component)
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{
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}
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static inline void wcd938x_mbhc_ssr_down(struct wcd938x_mbhc *mbhc,
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struct snd_soc_component *component)
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{
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}
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static inline int wcd938x_mbhc_post_ssr_init(struct wcd938x_mbhc *mbhc,
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struct snd_soc_component *component)
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{
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return 0;
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}
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static inline int wcd938x_mbhc_get_impedance(struct wcd938x_mbhc *wcd938x_mbhc,
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uint32_t *zl, uint32_t *zr)
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{
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if (zl)
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*zl = 0;
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if (zr)
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*zr = 0;
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return -EINVAL;
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}
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#endif
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#endif /* __WCD938X_MBHC_H__ */
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