59  * co-operation between the graphics and audio drivers is handled via audio
114 	{ 32000, TMDS_296M, 5824, 421875 },
115 	{ 32000, TMDS_297M, 3072, 222750 },
116 	{ 32000, TMDS_593M, 5824, 843750 },
117 	{ 32000, TMDS_594M, 3072, 445500 },
144 /* Appendix C - N & CTS values for deep color from HDMI 2.0 spec*/
150 	{ 32000, TMDS_370M, 5824, 527344 },
151 	{ 32000, TMDS_371M, 6144, 556875 },
171 	{ 32000, TMDS_445M, 5824, 632813 },
172 	{ 32000, TMDS_445_5M, 4096, 445500 },
203 		&crtc_state->hw.adjusted_mode;  in audio_config_hdmi_pixel_clock()
207 		if (adjusted_mode->crtc_clock == hdmi_audio_clock[i].clock)  in audio_config_hdmi_pixel_clock()
211 	if (DISPLAY_VER(display) < 12 && adjusted_mode->crtc_clock > 148500)  in audio_config_hdmi_pixel_clock()
215 		drm_dbg_kms(display->drm,  in audio_config_hdmi_pixel_clock()
217 			    adjusted_mode->crtc_clock);  in audio_config_hdmi_pixel_clock()
221 	drm_dbg_kms(display->drm,  in audio_config_hdmi_pixel_clock()
235 	if (crtc_state->pipe_bpp == 36) {  in audio_config_hdmi_get_n()
238 	} else if (crtc_state->pipe_bpp == 30) {  in audio_config_hdmi_get_n()
248 		    crtc_state->port_clock == hdmi_ncts_table[i].clock) {  in audio_config_hdmi_get_n()
269 	u32 *eld = (u32 *)crtc_state->eld;  in g4x_audio_codec_get_config()
280 	len = min_t(int, sizeof(crtc_state->eld) / 4, eld_buffer_size);  in g4x_audio_codec_get_config()
291 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);  in g4x_audio_codec_disable()
306 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in g4x_audio_codec_enable()
307 	const u32 *eld = (const u32 *)crtc_state->eld;  in g4x_audio_codec_enable()
316 	len = min(drm_eld_size(crtc_state->eld) / 4, eld_buffer_size);  in g4x_audio_codec_enable()
323 	drm_WARN_ON(display->drm,  in g4x_audio_codec_enable()
335 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in hsw_dp_audio_config_update()
353 	struct i915_audio_component *acomp = display->audio.component;  in hsw_hdmi_audio_config_update()
354 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in hsw_hdmi_audio_config_update()
355 	enum port port = encoder->port;  in hsw_hdmi_audio_config_update()
359 	rate = acomp ? acomp->aud_sample_rate[port] : 0;  in hsw_hdmi_audio_config_update()
369 		drm_dbg_kms(display->drm, "using N %d\n", n);  in hsw_hdmi_audio_config_update()
375 		drm_dbg_kms(display->drm, "using automatic N\n");  in hsw_hdmi_audio_config_update()
404 	enum transcoder trans = crtc_state->cpu_transcoder;  in intel_audio_sdp_split_update()
410 		     enable && crtc_state->sdp_split_enable ? AUD_ENABLE_SDP_SPLIT : 0);  in intel_audio_sdp_split_update()
418 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);  in hsw_audio_codec_disable()
419 	enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;  in hsw_audio_codec_disable()
421 	mutex_lock(&display->audio.mutex);  in hsw_audio_codec_disable()
448 	mutex_unlock(&display->audio.mutex);  in hsw_audio_codec_disable()
462 	h_active = crtc_state->hw.adjusted_mode.crtc_hdisplay;  in calc_hblank_early_prog()
463 	h_total = crtc_state->hw.adjusted_mode.crtc_htotal;  in calc_hblank_early_prog()
464 	pixel_clk = crtc_state->hw.adjusted_mode.crtc_clock;  in calc_hblank_early_prog()
465 	vdsc_bppx16 = crtc_state->dsc.compressed_bpp_x16;  in calc_hblank_early_prog()
466 	cdclk = display->cdclk.hw.cdclk;  in calc_hblank_early_prog()
469 	link_clk = crtc_state->port_clock;  in calc_hblank_early_prog()
470 	lanes = crtc_state->lane_count;  in calc_hblank_early_prog()
472 	drm_dbg_kms(display->drm,  in calc_hblank_early_prog()
479 	link_clks_available = (h_total - h_active) * link_clk / pixel_clk - 28;  in calc_hblank_early_prog()
492 	link_clks_active  = (tu_line - 1) * 64 + tu_data;  in calc_hblank_early_prog()
496 	return h_active - hblank_rise + hblank_delta;  in calc_hblank_early_prog()
504 	h_active = crtc_state->hw.adjusted_mode.hdisplay;  in calc_samples_room()
505 	h_total = crtc_state->hw.adjusted_mode.htotal;  in calc_samples_room()
506 	pixel_clk = crtc_state->hw.adjusted_mode.clock;  in calc_samples_room()
507 	link_clk = crtc_state->port_clock;  in calc_samples_room()
508 	lanes = crtc_state->lane_count;  in calc_samples_room()
510 	return ((h_total - h_active) * link_clk - 12 * pixel_clk) /  in calc_samples_room()
518 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in enable_audio_dsc_wa()
532 	if (crtc_state->dsc.compression_enable &&  in enable_audio_dsc_wa()
533 	    crtc_state->hw.adjusted_mode.hdisplay >= 3840 &&  in enable_audio_dsc_wa()
534 	    crtc_state->hw.adjusted_mode.vdisplay >= 2160) {  in enable_audio_dsc_wa()
564 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in hsw_audio_codec_enable()
565 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in hsw_audio_codec_enable()
567 	mutex_lock(&display->audio.mutex);  in hsw_audio_codec_enable()
596 	mutex_unlock(&display->audio.mutex);  in hsw_audio_codec_enable()
607 	if (display->platform.valleyview || display->platform.cherryview) {  in ibx_audio_regs_init()
608 		regs->hdmiw_hdmiedid = VLV_HDMIW_HDMIEDID(pipe);  in ibx_audio_regs_init()
609 		regs->aud_config = VLV_AUD_CFG(pipe);  in ibx_audio_regs_init()
610 		regs->aud_cntl_st = VLV_AUD_CNTL_ST(pipe);  in ibx_audio_regs_init()
611 		regs->aud_cntrl_st2 = VLV_AUD_CNTL_ST2;  in ibx_audio_regs_init()
613 		regs->hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe);  in ibx_audio_regs_init()
614 		regs->aud_config = CPT_AUD_CFG(pipe);  in ibx_audio_regs_init()
615 		regs->aud_cntl_st = CPT_AUD_CNTL_ST(pipe);  in ibx_audio_regs_init()
616 		regs->aud_cntrl_st2 = CPT_AUD_CNTRL_ST2;  in ibx_audio_regs_init()
618 		regs->hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe);  in ibx_audio_regs_init()
619 		regs->aud_config = IBX_AUD_CFG(pipe);  in ibx_audio_regs_init()
620 		regs->aud_cntl_st = IBX_AUD_CNTL_ST(pipe);  in ibx_audio_regs_init()
621 		regs->aud_cntrl_st2 = IBX_AUD_CNTL_ST2;  in ibx_audio_regs_init()
630 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);  in ibx_audio_codec_disable()
631 	enum port port = encoder->port;  in ibx_audio_codec_disable()
632 	enum pipe pipe = crtc->pipe;  in ibx_audio_codec_disable()
635 	if (drm_WARN_ON(display->drm, port == PORT_A))  in ibx_audio_codec_disable()
640 	mutex_lock(&display->audio.mutex);  in ibx_audio_codec_disable()
655 	mutex_unlock(&display->audio.mutex);  in ibx_audio_codec_disable()
666 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in ibx_audio_codec_enable()
667 	enum port port = encoder->port;  in ibx_audio_codec_enable()
668 	enum pipe pipe = crtc->pipe;  in ibx_audio_codec_enable()
671 	if (drm_WARN_ON(display->drm, port == PORT_A))  in ibx_audio_codec_enable()
678 	mutex_lock(&display->audio.mutex);  in ibx_audio_codec_enable()
698 	mutex_unlock(&display->audio.mutex);  in ibx_audio_codec_enable()
706 	struct drm_connector *connector = conn_state->connector;  in intel_audio_compute_config()
708 		&crtc_state->hw.adjusted_mode;  in intel_audio_compute_config()
710 	mutex_lock(&connector->eld_mutex);  in intel_audio_compute_config()
711 	if (!connector->eld[0]) {  in intel_audio_compute_config()
712 		drm_dbg_kms(display->drm,  in intel_audio_compute_config()
714 			    connector->base.id, connector->name);  in intel_audio_compute_config()
715 		mutex_unlock(&connector->eld_mutex);  in intel_audio_compute_config()
719 	BUILD_BUG_ON(sizeof(crtc_state->eld) != sizeof(connector->eld));  in intel_audio_compute_config()
720 	memcpy(crtc_state->eld, connector->eld, sizeof(crtc_state->eld));  in intel_audio_compute_config()
722 	crtc_state->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;  in intel_audio_compute_config()
723 	mutex_unlock(&connector->eld_mutex);  in intel_audio_compute_config()
729  * intel_audio_codec_enable - Enable the audio codec for HD audio
742 	struct i915_audio_component *acomp = display->audio.component;  in intel_audio_codec_enable()
743 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in intel_audio_codec_enable()
744 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_audio_codec_enable()
745 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in intel_audio_codec_enable()
747 	enum port port = encoder->port;  in intel_audio_codec_enable()
749 	if (!crtc_state->has_audio)  in intel_audio_codec_enable()
752 	drm_dbg_kms(display->drm,  in intel_audio_codec_enable()
754 		    connector->base.base.id, connector->base.name,  in intel_audio_codec_enable()
755 		    encoder->base.base.id, encoder->base.name,  in intel_audio_codec_enable()
756 		    crtc->base.base.id, crtc->base.name,  in intel_audio_codec_enable()
757 		    drm_eld_size(crtc_state->eld));  in intel_audio_codec_enable()
759 	if (display->funcs.audio)  in intel_audio_codec_enable()
760 		display->funcs.audio->audio_codec_enable(encoder,  in intel_audio_codec_enable()
764 	mutex_lock(&display->audio.mutex);  in intel_audio_codec_enable()
766 	audio_state = &display->audio.state[cpu_transcoder];  in intel_audio_codec_enable()
768 	audio_state->encoder = encoder;  in intel_audio_codec_enable()
769 	BUILD_BUG_ON(sizeof(audio_state->eld) != sizeof(crtc_state->eld));  in intel_audio_codec_enable()
770 	memcpy(audio_state->eld, crtc_state->eld, sizeof(audio_state->eld));  in intel_audio_codec_enable()
772 	mutex_unlock(&display->audio.mutex);  in intel_audio_codec_enable()
774 	if (acomp && acomp->base.audio_ops &&  in intel_audio_codec_enable()
775 	    acomp->base.audio_ops->pin_eld_notify) {  in intel_audio_codec_enable()
776 		/* audio drivers expect cpu_transcoder = -1 to indicate Non-MST cases */  in intel_audio_codec_enable()
778 			cpu_transcoder = -1;  in intel_audio_codec_enable()
779 		acomp->base.audio_ops->pin_eld_notify(acomp->base.audio_ops->audio_ptr,  in intel_audio_codec_enable()
783 	intel_lpe_audio_notify(display, cpu_transcoder, port, crtc_state->eld,  in intel_audio_codec_enable()
784 			       crtc_state->port_clock,  in intel_audio_codec_enable()
789  * intel_audio_codec_disable - Disable the audio codec for HD audio
802 	struct i915_audio_component *acomp = display->audio.component;  in intel_audio_codec_disable()
803 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);  in intel_audio_codec_disable()
804 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in intel_audio_codec_disable()
805 	enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;  in intel_audio_codec_disable()
807 	enum port port = encoder->port;  in intel_audio_codec_disable()
809 	if (!old_crtc_state->has_audio)  in intel_audio_codec_disable()
812 	drm_dbg_kms(display->drm,  in intel_audio_codec_disable()
814 		    connector->base.base.id, connector->base.name,  in intel_audio_codec_disable()
815 		    encoder->base.base.id, encoder->base.name,  in intel_audio_codec_disable()
816 		    crtc->base.base.id, crtc->base.name);  in intel_audio_codec_disable()
818 	if (display->funcs.audio)  in intel_audio_codec_disable()
819 		display->funcs.audio->audio_codec_disable(encoder,  in intel_audio_codec_disable()
823 	mutex_lock(&display->audio.mutex);  in intel_audio_codec_disable()
825 	audio_state = &display->audio.state[cpu_transcoder];  in intel_audio_codec_disable()
827 	audio_state->encoder = NULL;  in intel_audio_codec_disable()
828 	memset(audio_state->eld, 0, sizeof(audio_state->eld));  in intel_audio_codec_disable()
830 	mutex_unlock(&display->audio.mutex);  in intel_audio_codec_disable()
832 	if (acomp && acomp->base.audio_ops &&  in intel_audio_codec_disable()
833 	    acomp->base.audio_ops->pin_eld_notify) {  in intel_audio_codec_disable()
834 		/* audio drivers expect cpu_transcoder = -1 to indicate Non-MST cases */  in intel_audio_codec_disable()
836 			cpu_transcoder = -1;  in intel_audio_codec_disable()
837 		acomp->base.audio_ops->pin_eld_notify(acomp->base.audio_ops->audio_ptr,  in intel_audio_codec_disable()
848 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;  in intel_acomp_get_config()
851 	mutex_lock(&display->audio.mutex);  in intel_acomp_get_config()
853 	audio_state = &display->audio.state[cpu_transcoder];  in intel_acomp_get_config()
855 	if (audio_state->encoder)  in intel_acomp_get_config()
856 		memcpy(crtc_state->eld, audio_state->eld, sizeof(audio_state->eld));  in intel_acomp_get_config()
858 	mutex_unlock(&display->audio.mutex);  in intel_acomp_get_config()
866 	if (!crtc_state->has_audio)  in intel_audio_codec_get_config()
869 	if (display->funcs.audio)  in intel_audio_codec_get_config()
870 		display->funcs.audio->audio_codec_get_config(encoder, crtc_state);  in intel_audio_codec_get_config()
892  * intel_audio_hooks_init - Set up chip specific audio hooks
897 	if (display->platform.g4x)  in intel_audio_hooks_init()
898 		display->funcs.audio = &g4x_audio_funcs;  in intel_audio_hooks_init()
899 	else if (display->platform.valleyview || display->platform.cherryview ||  in intel_audio_hooks_init()
901 		display->funcs.audio = &ibx_audio_funcs;  in intel_audio_hooks_init()
902 	else if (display->platform.haswell || DISPLAY_VER(display) >= 8)  in intel_audio_hooks_init()
903 		display->funcs.audio = &hsw_audio_funcs;  in intel_audio_hooks_init()
919 	aud_ts->m = 60;  in get_aud_ts_cdclk_m_n()
920 	aud_ts->n = cdclk * aud_ts->m / 24000;  in get_aud_ts_cdclk_m_n()
928 		get_aud_ts_cdclk_m_n(display->cdclk.hw.ref,  in intel_audio_cdclk_change_post()
929 				     display->cdclk.hw.cdclk, &aud_ts);  in intel_audio_cdclk_change_post()
933 		drm_dbg_kms(display->drm, "aud_ts_cdclk set to M=%u, N=%u\n",  in intel_audio_cdclk_change_post()
946 	ret = drm_modeset_lock(&crtc->base.mutex, state->base.acquire_ctx);  in glk_force_audio_cdclk_commit()
956 	return drm_atomic_commit(&state->base);  in glk_force_audio_cdclk_commit()
972 	state = drm_atomic_state_alloc(display->drm);  in glk_force_audio_cdclk()
973 	if (drm_WARN_ON(display->drm, !state))  in glk_force_audio_cdclk()
976 	state->acquire_ctx = &ctx;  in glk_force_audio_cdclk()
977 	to_intel_atomic_state(state)->internal = true;  in glk_force_audio_cdclk()
982 	if (ret == -EDEADLK) {  in glk_force_audio_cdclk()
988 	drm_WARN_ON(display->drm, ret);  in glk_force_audio_cdclk()
1001 	if (!crtc_state->has_audio)  in intel_audio_min_cdclk()
1010 	    crtc_state->port_clock >= 540000 &&  in intel_audio_min_cdclk()
1011 	    crtc_state->lane_count == 4) {  in intel_audio_min_cdclk()
1015 		} else if (DISPLAY_VER(display) == 9 || display->platform.broadwell) {  in intel_audio_min_cdclk()
1035 	if ((display->platform.valleyview || display->platform.cherryview) &&  in intel_audio_min_cdclk()
1037 		min_cdclk = max(min_cdclk, crtc_state->port_clock);  in intel_audio_min_cdclk()
1052 	if (display->audio.power_refcount++ == 0) {  in intel_audio_component_get_power()
1055 				       display->audio.freq_cntrl);  in intel_audio_component_get_power()
1056 			drm_dbg_kms(display->drm,  in intel_audio_component_get_power()
1058 				    display->audio.freq_cntrl);  in intel_audio_component_get_power()
1062 		if (display->platform.geminilake)  in intel_audio_component_get_power()
1080 	if (--display->audio.power_refcount == 0)  in intel_audio_component_put_power()
1081 		if (display->platform.geminilake)  in intel_audio_component_put_power()
1120 	if (drm_WARN_ON_ONCE(display->drm, !HAS_DDI(display)))  in intel_audio_component_get_cdclk_freq()
1121 		return -ENODEV;  in intel_audio_component_get_cdclk_freq()
1123 	return display->cdclk.hw.cdclk;  in intel_audio_component_get_cdclk_freq()
1131  * Non-MST & (cpu_transcoder >= 0): only cpu_transcoder = 0 (the first device entry)
1133  * Non-MST & (cpu_transcoder < 0): get the right intel_encoder with port matched
1143 		if (drm_WARN_ON(display->drm,  in find_audio_state()
1144 				cpu_transcoder >= ARRAY_SIZE(display->audio.state)))  in find_audio_state()
1147 		audio_state = &display->audio.state[cpu_transcoder];  in find_audio_state()
1148 		encoder = audio_state->encoder;  in find_audio_state()
1150 		if (encoder && encoder->port == port &&  in find_audio_state()
1151 		    encoder->type == INTEL_OUTPUT_DP_MST)  in find_audio_state()
1155 	/* Non-MST */  in find_audio_state()
1163 		audio_state = &display->audio.state[cpu_transcoder];  in find_audio_state()
1164 		encoder = audio_state->encoder;  in find_audio_state()
1166 		if (encoder && encoder->port == port &&  in find_audio_state()
1167 		    encoder->type != INTEL_OUTPUT_DP_MST)  in find_audio_state()
1178 	struct i915_audio_component *acomp = display->audio.component;  in intel_audio_component_sync_audio_rate()
1189 	mutex_lock(&display->audio.mutex);  in intel_audio_component_sync_audio_rate()
1193 		drm_dbg_kms(display->drm, "Not valid for port %c\n",  in intel_audio_component_sync_audio_rate()
1195 		err = -ENODEV;  in intel_audio_component_sync_audio_rate()
1199 	encoder = audio_state->encoder;  in intel_audio_component_sync_audio_rate()
1202 	crtc = to_intel_crtc(encoder->base.crtc);  in intel_audio_component_sync_audio_rate()
1205 	acomp->aud_sample_rate[port] = rate;  in intel_audio_component_sync_audio_rate()
1207 	/* FIXME get rid of the crtc->config stuff */  in intel_audio_component_sync_audio_rate()
1208 	hsw_audio_config_update(encoder, crtc->config);  in intel_audio_component_sync_audio_rate()
1211 	mutex_unlock(&display->audio.mutex);  in intel_audio_component_sync_audio_rate()
1224 	mutex_lock(&display->audio.mutex);  in intel_audio_component_get_eld()
1228 		drm_dbg_kms(display->drm, "Not valid for port %c\n",  in intel_audio_component_get_eld()
1230 		mutex_unlock(&display->audio.mutex);  in intel_audio_component_get_eld()
1231 		return -EINVAL;  in intel_audio_component_get_eld()
1234 	*enabled = audio_state->encoder != NULL;  in intel_audio_component_get_eld()
1236 		const u8 *eld = audio_state->eld;  in intel_audio_component_get_eld()
1242 	mutex_unlock(&display->audio.mutex);  in intel_audio_component_get_eld()
1263 	if (drm_WARN_ON(display->drm, acomp->base.ops || acomp->base.dev))  in intel_audio_component_bind()
1264 		return -EEXIST;  in intel_audio_component_bind()
1266 	if (drm_WARN_ON(display->drm,  in intel_audio_component_bind()
1269 		return -ENOMEM;  in intel_audio_component_bind()
1271 	drm_modeset_lock_all(display->drm);  in intel_audio_component_bind()
1272 	acomp->base.ops = &intel_audio_component_ops;  in intel_audio_component_bind()
1273 	acomp->base.dev = drv_kdev;  in intel_audio_component_bind()
1275 	for (i = 0; i < ARRAY_SIZE(acomp->aud_sample_rate); i++)  in intel_audio_component_bind()
1276 		acomp->aud_sample_rate[i] = 0;  in intel_audio_component_bind()
1277 	display->audio.component = acomp;  in intel_audio_component_bind()
1278 	drm_modeset_unlock_all(display->drm);  in intel_audio_component_bind()
1289 	drm_modeset_lock_all(display->drm);  in intel_audio_component_unbind()
1290 	acomp->base.ops = NULL;  in intel_audio_component_unbind()
1291 	acomp->base.dev = NULL;  in intel_audio_component_unbind()
1292 	display->audio.component = NULL;  in intel_audio_component_unbind()
1293 	drm_modeset_unlock_all(display->drm);  in intel_audio_component_unbind()
1297 	if (display->audio.power_refcount)  in intel_audio_component_unbind()
1298 		drm_err(display->drm,  in intel_audio_component_unbind()
1300 			display->audio.power_refcount);  in intel_audio_component_unbind()
1318  * intel_audio_component_init - initialize and register the audio component
1346 		if ((display->platform.tigerlake || display->platform.rocketlake) &&  in intel_audio_component_init()
1350 		drm_dbg_kms(display->drm,  in intel_audio_component_init()
1354 		display->audio.freq_cntrl = aud_freq;  in intel_audio_component_init()
1365 	ret = component_add_typed(display->drm->dev,  in intel_audio_component_register()
1369 		drm_err(display->drm,  in intel_audio_component_register()
1375 	display->audio.component_registered = true;  in intel_audio_component_register()
1379  * intel_audio_component_cleanup - deregister the audio component
1387 	if (!display->audio.component_registered)  in intel_audio_component_cleanup()
1390 	component_del(display->drm->dev, &intel_audio_component_bind_ops);  in intel_audio_component_cleanup()
1391 	display->audio.component_registered = false;  in intel_audio_component_cleanup()
1395  * intel_audio_init() - Initialize the audio driver either using
1408 	if (!display->audio.lpe.platdev)  in intel_audio_register()
1413  * intel_audio_deinit() - deinitialize the audio driver
1418 	if (display->audio.lpe.platdev)  in intel_audio_deinit()