15 static void azx_clear_corbrp(struct hdac_bus *bus)  in azx_clear_corbrp()  argument
20 		if (snd_hdac_chip_readw(bus, CORBRP) & AZX_CORBRP_RST)  in azx_clear_corbrp()
25 		dev_err(bus->dev, "CORB reset timeout#1, CORBRP = %d\n",  in azx_clear_corbrp()
26 			snd_hdac_chip_readw(bus, CORBRP));  in azx_clear_corbrp()
28 	snd_hdac_chip_writew(bus, CORBRP, 0);  in azx_clear_corbrp()
30 		if (snd_hdac_chip_readw(bus, CORBRP) == 0)  in azx_clear_corbrp()
35 		dev_err(bus->dev, "CORB reset timeout#2, CORBRP = %d\n",  in azx_clear_corbrp()
36 			snd_hdac_chip_readw(bus, CORBRP));  in azx_clear_corbrp()
41  * @bus: HD-audio core bus
43 void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus)  in snd_hdac_bus_init_cmd_io()  argument
45 	WARN_ON_ONCE(!bus->rb.area);  in snd_hdac_bus_init_cmd_io()
47 	spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_init_cmd_io()
49 	bus->corb.addr = bus->rb.addr;  in snd_hdac_bus_init_cmd_io()
50 	bus->corb.buf = (__le32 *)bus->rb.area;  in snd_hdac_bus_init_cmd_io()
51 	snd_hdac_chip_writel(bus, CORBLBASE, (u32)bus->corb.addr);  in snd_hdac_bus_init_cmd_io()
52 	snd_hdac_chip_writel(bus, CORBUBASE, upper_32_bits(bus->corb.addr));  in snd_hdac_bus_init_cmd_io()
55 	snd_hdac_chip_writeb(bus, CORBSIZE, 0x02);  in snd_hdac_bus_init_cmd_io()
57 	snd_hdac_chip_writew(bus, CORBWP, 0);  in snd_hdac_bus_init_cmd_io()
60 	snd_hdac_chip_writew(bus, CORBRP, AZX_CORBRP_RST);  in snd_hdac_bus_init_cmd_io()
61 	if (!bus->corbrp_self_clear)  in snd_hdac_bus_init_cmd_io()
62 		azx_clear_corbrp(bus);  in snd_hdac_bus_init_cmd_io()
65 	if (!bus->use_pio_for_commands)  in snd_hdac_bus_init_cmd_io()
66 		snd_hdac_chip_writeb(bus, CORBCTL, AZX_CORBCTL_RUN);  in snd_hdac_bus_init_cmd_io()
69 	bus->rirb.addr = bus->rb.addr + 2048;  in snd_hdac_bus_init_cmd_io()
70 	bus->rirb.buf = (__le32 *)(bus->rb.area + 2048);  in snd_hdac_bus_init_cmd_io()
71 	bus->rirb.wp = bus->rirb.rp = 0;  in snd_hdac_bus_init_cmd_io()
72 	memset(bus->rirb.cmds, 0, sizeof(bus->rirb.cmds));  in snd_hdac_bus_init_cmd_io()
73 	snd_hdac_chip_writel(bus, RIRBLBASE, (u32)bus->rirb.addr);  in snd_hdac_bus_init_cmd_io()
74 	snd_hdac_chip_writel(bus, RIRBUBASE, upper_32_bits(bus->rirb.addr));  in snd_hdac_bus_init_cmd_io()
77 	snd_hdac_chip_writeb(bus, RIRBSIZE, 0x02);  in snd_hdac_bus_init_cmd_io()
79 	snd_hdac_chip_writew(bus, RIRBWP, AZX_RIRBWP_RST);  in snd_hdac_bus_init_cmd_io()
81 	snd_hdac_chip_writew(bus, RINTCNT, 1);  in snd_hdac_bus_init_cmd_io()
83 	if (bus->not_use_interrupts)  in snd_hdac_bus_init_cmd_io()
84 		snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN);  in snd_hdac_bus_init_cmd_io()
86 		snd_hdac_chip_writeb(bus, RIRBCTL, AZX_RBCTL_DMA_EN | AZX_RBCTL_IRQ_EN);  in snd_hdac_bus_init_cmd_io()
88 	snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, AZX_GCTL_UNSOL);  in snd_hdac_bus_init_cmd_io()
89 	spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_init_cmd_io()
94 static void hdac_wait_for_cmd_dmas(struct hdac_bus *bus)  in hdac_wait_for_cmd_dmas()  argument
99 	while ((snd_hdac_chip_readb(bus, RIRBCTL) & AZX_RBCTL_DMA_EN)  in hdac_wait_for_cmd_dmas()
104 	while ((snd_hdac_chip_readb(bus, CORBCTL) & AZX_CORBCTL_RUN)  in hdac_wait_for_cmd_dmas()
111  * @bus: HD-audio core bus
113 void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus)  in snd_hdac_bus_stop_cmd_io()  argument
115 	spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_stop_cmd_io()
117 	snd_hdac_chip_writeb(bus, RIRBCTL, 0);  in snd_hdac_bus_stop_cmd_io()
118 	snd_hdac_chip_writeb(bus, CORBCTL, 0);  in snd_hdac_bus_stop_cmd_io()
119 	spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_stop_cmd_io()
121 	hdac_wait_for_cmd_dmas(bus);  in snd_hdac_bus_stop_cmd_io()
123 	spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_stop_cmd_io()
125 	snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, 0);  in snd_hdac_bus_stop_cmd_io()
126 	spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_stop_cmd_io()
140 static int snd_hdac_bus_wait_for_pio_response(struct hdac_bus *bus,  in snd_hdac_bus_wait_for_pio_response()  argument
147 		if (snd_hdac_chip_readw(bus, IRS) & AZX_IRS_VALID) {  in snd_hdac_bus_wait_for_pio_response()
149 			bus->rirb.res[addr] = snd_hdac_chip_readl(bus, IR);  in snd_hdac_bus_wait_for_pio_response()
155 	dev_dbg_ratelimited(bus->dev, "get_response_pio timeout: IRS=%#x\n",  in snd_hdac_bus_wait_for_pio_response()
156 			    snd_hdac_chip_readw(bus, IRS));  in snd_hdac_bus_wait_for_pio_response()
158 	bus->rirb.res[addr] = -1;  in snd_hdac_bus_wait_for_pio_response()
165  * @bus: HD-audio core bus
170 static int snd_hdac_bus_send_cmd_pio(struct hdac_bus *bus, unsigned int val)  in snd_hdac_bus_send_cmd_pio()  argument
176 	spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_pio()
180 		if (!((snd_hdac_chip_readw(bus, IRS) & AZX_IRS_BUSY))) {  in snd_hdac_bus_send_cmd_pio()
182 			snd_hdac_chip_updatew(bus, IRS, AZX_IRS_VALID, AZX_IRS_VALID);  in snd_hdac_bus_send_cmd_pio()
183 			snd_hdac_chip_writel(bus, IC, val);  in snd_hdac_bus_send_cmd_pio()
185 			snd_hdac_chip_updatew(bus, IRS, AZX_IRS_BUSY, AZX_IRS_BUSY);  in snd_hdac_bus_send_cmd_pio()
187 			ret = snd_hdac_bus_wait_for_pio_response(bus, addr);  in snd_hdac_bus_send_cmd_pio()
193 	dev_dbg_ratelimited(bus->dev, "send_cmd_pio timeout: IRS=%#x, val=%#x\n",  in snd_hdac_bus_send_cmd_pio()
194 			    snd_hdac_chip_readw(bus, IRS), val);  in snd_hdac_bus_send_cmd_pio()
197 	spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_pio()
204  * @bus: HD-audio core bus
210 static int snd_hdac_bus_get_response_pio(struct hdac_bus *bus,  in snd_hdac_bus_get_response_pio()  argument
214 		*res = bus->rirb.res[addr];  in snd_hdac_bus_get_response_pio()
221  * @bus: HD-audio core bus
226 static int snd_hdac_bus_send_cmd_corb(struct hdac_bus *bus, unsigned int val)  in snd_hdac_bus_send_cmd_corb()  argument
231 	spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_corb()
233 	bus->last_cmd[azx_command_addr(val)] = val;  in snd_hdac_bus_send_cmd_corb()
236 	wp = snd_hdac_chip_readw(bus, CORBWP);  in snd_hdac_bus_send_cmd_corb()
239 		spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_corb()
245 	rp = snd_hdac_chip_readw(bus, CORBRP);  in snd_hdac_bus_send_cmd_corb()
248 		spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_corb()
252 	bus->rirb.cmds[addr]++;  in snd_hdac_bus_send_cmd_corb()
253 	bus->corb.buf[wp] = cpu_to_le32(val);  in snd_hdac_bus_send_cmd_corb()
254 	snd_hdac_chip_writew(bus, CORBWP, wp);  in snd_hdac_bus_send_cmd_corb()
256 	spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_send_cmd_corb()
265  * @bus: HD-audio core bus
268  * The caller needs bus->reg_lock spinlock before calling this.
270 void snd_hdac_bus_update_rirb(struct hdac_bus *bus)  in snd_hdac_bus_update_rirb()  argument
276 	wp = snd_hdac_chip_readw(bus, RIRBWP);  in snd_hdac_bus_update_rirb()
282 	if (wp == bus->rirb.wp)  in snd_hdac_bus_update_rirb()
284 	bus->rirb.wp = wp;  in snd_hdac_bus_update_rirb()
286 	while (bus->rirb.rp != wp) {  in snd_hdac_bus_update_rirb()
287 		bus->rirb.rp++;  in snd_hdac_bus_update_rirb()
288 		bus->rirb.rp %= AZX_MAX_RIRB_ENTRIES;  in snd_hdac_bus_update_rirb()
290 		rp = bus->rirb.rp << 1; /* an RIRB entry is 8-bytes */  in snd_hdac_bus_update_rirb()
291 		res_ex = le32_to_cpu(bus->rirb.buf[rp + 1]);  in snd_hdac_bus_update_rirb()
292 		res = le32_to_cpu(bus->rirb.buf[rp]);  in snd_hdac_bus_update_rirb()
295 			dev_err(bus->dev,  in snd_hdac_bus_update_rirb()
297 				res, res_ex, bus->rirb.rp, wp);  in snd_hdac_bus_update_rirb()
300 			snd_hdac_bus_queue_event(bus, res, res_ex);  in snd_hdac_bus_update_rirb()
301 		else if (bus->rirb.cmds[addr]) {  in snd_hdac_bus_update_rirb()
302 			bus->rirb.res[addr] = res;  in snd_hdac_bus_update_rirb()
303 			bus->rirb.cmds[addr]--;  in snd_hdac_bus_update_rirb()
304 			if (!bus->rirb.cmds[addr] &&  in snd_hdac_bus_update_rirb()
305 			    waitqueue_active(&bus->rirb_wq))  in snd_hdac_bus_update_rirb()
306 				wake_up(&bus->rirb_wq);  in snd_hdac_bus_update_rirb()
308 			dev_err_ratelimited(bus->dev,  in snd_hdac_bus_update_rirb()
310 				res, res_ex, bus->last_cmd[addr]);  in snd_hdac_bus_update_rirb()
318  * @bus: HD-audio core bus
324 static int snd_hdac_bus_get_response_rirb(struct hdac_bus *bus,  in snd_hdac_bus_get_response_rirb()  argument
336 		spin_lock_irq(&bus->reg_lock);  in snd_hdac_bus_get_response_rirb()
337 		if (!bus->polling_mode)  in snd_hdac_bus_get_response_rirb()
338 			prepare_to_wait(&bus->rirb_wq, &wait,  in snd_hdac_bus_get_response_rirb()
340 		if (bus->polling_mode)  in snd_hdac_bus_get_response_rirb()
341 			snd_hdac_bus_update_rirb(bus);  in snd_hdac_bus_get_response_rirb()
342 		if (!bus->rirb.cmds[addr]) {  in snd_hdac_bus_get_response_rirb()
344 				*res = bus->rirb.res[addr]; /* the last value */  in snd_hdac_bus_get_response_rirb()
345 			if (!bus->polling_mode)  in snd_hdac_bus_get_response_rirb()
346 				finish_wait(&bus->rirb_wq, &wait);  in snd_hdac_bus_get_response_rirb()
347 			spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_get_response_rirb()
350 		spin_unlock_irq(&bus->reg_lock);  in snd_hdac_bus_get_response_rirb()
354 		if (!bus->polling_mode) {  in snd_hdac_bus_get_response_rirb()
356 		} else if (bus->needs_damn_long_delay ||  in snd_hdac_bus_get_response_rirb()
359 				dev_dbg_ratelimited(bus->dev,  in snd_hdac_bus_get_response_rirb()
361 						    bus->last_cmd[addr]);  in snd_hdac_bus_get_response_rirb()
371 	if (!bus->polling_mode)  in snd_hdac_bus_get_response_rirb()
372 		finish_wait(&bus->rirb_wq, &wait);  in snd_hdac_bus_get_response_rirb()
379  * @bus: HD-audio core bus
384 int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val)  in snd_hdac_bus_send_cmd()  argument
386 	if (bus->use_pio_for_commands)  in snd_hdac_bus_send_cmd()
387 		return snd_hdac_bus_send_cmd_pio(bus, val);  in snd_hdac_bus_send_cmd()
389 	return snd_hdac_bus_send_cmd_corb(bus, val);  in snd_hdac_bus_send_cmd()
395  * @bus: HD-audio core bus
401 int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr,  in snd_hdac_bus_get_response()  argument
404 	if (bus->use_pio_for_commands)  in snd_hdac_bus_get_response()
405 		return snd_hdac_bus_get_response_pio(bus, addr, res);  in snd_hdac_bus_get_response()
407 	return snd_hdac_bus_get_response_rirb(bus, addr, res);  in snd_hdac_bus_get_response()
414  * @bus: the pointer to bus object
418 int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus)  in snd_hdac_bus_parse_capabilities()  argument
424 	offset = snd_hdac_chip_readw(bus, LLCH);  in snd_hdac_bus_parse_capabilities()
428 		cur_cap = _snd_hdac_chip_readl(bus, offset);  in snd_hdac_bus_parse_capabilities()
430 		dev_dbg(bus->dev, "Capability version: 0x%x\n",  in snd_hdac_bus_parse_capabilities()
433 		dev_dbg(bus->dev, "HDA capability ID: 0x%x\n",  in snd_hdac_bus_parse_capabilities()
437 			dev_dbg(bus->dev, "Invalid capability reg read\n");  in snd_hdac_bus_parse_capabilities()
443 			dev_dbg(bus->dev, "Found ML capability\n");  in snd_hdac_bus_parse_capabilities()
444 			bus->mlcap = bus->remap_addr + offset;  in snd_hdac_bus_parse_capabilities()
448 			dev_dbg(bus->dev, "Found GTS capability offset=%x\n", offset);  in snd_hdac_bus_parse_capabilities()
449 			bus->gtscap = bus->remap_addr + offset;  in snd_hdac_bus_parse_capabilities()
454 			dev_dbg(bus->dev, "Found PP capability offset=%x\n", offset);  in snd_hdac_bus_parse_capabilities()
455 			bus->ppcap = bus->remap_addr + offset;  in snd_hdac_bus_parse_capabilities()
460 			dev_dbg(bus->dev, "Found SPB capability\n");  in snd_hdac_bus_parse_capabilities()
461 			bus->spbcap = bus->remap_addr + offset;  in snd_hdac_bus_parse_capabilities()
466 			dev_dbg(bus->dev, "Found DRSM capability\n");  in snd_hdac_bus_parse_capabilities()
467 			bus->drsmcap = bus->remap_addr + offset;  in snd_hdac_bus_parse_capabilities()
471 			dev_err(bus->dev, "Unknown capability %d\n", cur_cap);  in snd_hdac_bus_parse_capabilities()
479 			dev_err(bus->dev, "We exceeded HDAC capabilities!!!\n");  in snd_hdac_bus_parse_capabilities()
498  * @bus: HD-audio core bus
502 void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus)  in snd_hdac_bus_enter_link_reset()  argument
507 	snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_RESET, 0);  in snd_hdac_bus_enter_link_reset()
510 	while ((snd_hdac_chip_readb(bus, GCTL) & AZX_GCTL_RESET) &&  in snd_hdac_bus_enter_link_reset()
518  * @bus: HD-audio core bus
522 void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus)  in snd_hdac_bus_exit_link_reset()  argument
526 	snd_hdac_chip_updateb(bus, GCTL, AZX_GCTL_RESET, AZX_GCTL_RESET);  in snd_hdac_bus_exit_link_reset()
529 	while (!snd_hdac_chip_readb(bus, GCTL) && time_before(jiffies, timeout))  in snd_hdac_bus_exit_link_reset()
535 int snd_hdac_bus_reset_link(struct hdac_bus *bus, bool full_reset)  in snd_hdac_bus_reset_link()  argument
541 	if (snd_hdac_chip_readb(bus, GCTL) & AZX_GCTL_RESET)  in snd_hdac_bus_reset_link()
542 		snd_hdac_chip_writew(bus, STATESTS, STATESTS_INT_MASK);  in snd_hdac_bus_reset_link()
545 	snd_hdac_bus_enter_link_reset(bus);  in snd_hdac_bus_reset_link()
553 	snd_hdac_bus_exit_link_reset(bus);  in snd_hdac_bus_reset_link()
560 	if (!snd_hdac_chip_readb(bus, GCTL)) {  in snd_hdac_bus_reset_link()
561 		dev_dbg(bus->dev, "controller not ready!\n");  in snd_hdac_bus_reset_link()
566 	if (!bus->codec_mask) {  in snd_hdac_bus_reset_link()
567 		bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS);  in snd_hdac_bus_reset_link()
568 		dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask);  in snd_hdac_bus_reset_link()
576 static void azx_int_enable(struct hdac_bus *bus)  in azx_int_enable()  argument
579 	snd_hdac_chip_updatel(bus, INTCTL,  in azx_int_enable()
585 static void azx_int_disable(struct hdac_bus *bus)  in azx_int_disable()  argument
590 	list_for_each_entry(azx_dev, &bus->stream_list, list)  in azx_int_disable()
594 	snd_hdac_chip_writel(bus, INTCTL, 0);  in azx_int_disable()
598 static void azx_int_clear(struct hdac_bus *bus)  in azx_int_clear()  argument
603 	list_for_each_entry(azx_dev, &bus->stream_list, list)  in azx_int_clear()
607 	snd_hdac_chip_writew(bus, STATESTS, STATESTS_INT_MASK);  in azx_int_clear()
610 	snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK);  in azx_int_clear()
613 	snd_hdac_chip_writel(bus, INTSTS, AZX_INT_CTRL_EN | AZX_INT_ALL_STREAM);  in azx_int_clear()
618  * @bus: HD-audio core bus
621 bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset)  in snd_hdac_bus_init_chip()  argument
623 	if (bus->chip_init)  in snd_hdac_bus_init_chip()
627 	snd_hdac_bus_reset_link(bus, full_reset);  in snd_hdac_bus_init_chip()
630 	azx_int_clear(bus);  in snd_hdac_bus_init_chip()
633 	snd_hdac_bus_init_cmd_io(bus);  in snd_hdac_bus_init_chip()
636 	azx_int_enable(bus);  in snd_hdac_bus_init_chip()
639 	if (bus->use_posbuf && bus->posbuf.addr) {  in snd_hdac_bus_init_chip()
640 		snd_hdac_chip_writel(bus, DPLBASE, (u32)bus->posbuf.addr);  in snd_hdac_bus_init_chip()
641 		snd_hdac_chip_writel(bus, DPUBASE, upper_32_bits(bus->posbuf.addr));  in snd_hdac_bus_init_chip()
644 	bus->chip_init = true;  in snd_hdac_bus_init_chip()
652  * @bus: HD-audio core bus
654 void snd_hdac_bus_stop_chip(struct hdac_bus *bus)  in snd_hdac_bus_stop_chip()  argument
656 	if (!bus->chip_init)  in snd_hdac_bus_stop_chip()
660 	azx_int_disable(bus);  in snd_hdac_bus_stop_chip()
661 	azx_int_clear(bus);  in snd_hdac_bus_stop_chip()
664 	snd_hdac_bus_stop_cmd_io(bus);  in snd_hdac_bus_stop_chip()
667 	if (bus->posbuf.addr) {  in snd_hdac_bus_stop_chip()
668 		snd_hdac_chip_writel(bus, DPLBASE, 0);  in snd_hdac_bus_stop_chip()
669 		snd_hdac_chip_writel(bus, DPUBASE, 0);  in snd_hdac_bus_stop_chip()
672 	bus->chip_init = false;  in snd_hdac_bus_stop_chip()
678  * @bus: HD-audio core bus
684 int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status,  in snd_hdac_bus_handle_stream_irq()  argument
692 	list_for_each_entry(azx_dev, &bus->stream_list, list) {  in snd_hdac_bus_handle_stream_irq()
701 				ack(bus, azx_dev);  in snd_hdac_bus_handle_stream_irq()
710  * @bus: HD-audio core bus
715 int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus)  in snd_hdac_bus_alloc_stream_pages()  argument
719 	int dma_type = bus->dma_type ? bus->dma_type : SNDRV_DMA_TYPE_DEV;  in snd_hdac_bus_alloc_stream_pages()
722 	list_for_each_entry(s, &bus->stream_list, list) {  in snd_hdac_bus_alloc_stream_pages()
724 		err = snd_dma_alloc_pages(dma_type, bus->dev,  in snd_hdac_bus_alloc_stream_pages()
734 	err = snd_dma_alloc_pages(dma_type, bus->dev,  in snd_hdac_bus_alloc_stream_pages()
735 				  num_streams * 8, &bus->posbuf);  in snd_hdac_bus_alloc_stream_pages()
738 	list_for_each_entry(s, &bus->stream_list, list)  in snd_hdac_bus_alloc_stream_pages()
739 		s->posbuf = (__le32 *)(bus->posbuf.area + s->index * 8);  in snd_hdac_bus_alloc_stream_pages()
742 	return snd_dma_alloc_pages(dma_type, bus->dev, PAGE_SIZE, &bus->rb);  in snd_hdac_bus_alloc_stream_pages()
748  * @bus: HD-audio core bus
750 void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus)  in snd_hdac_bus_free_stream_pages()  argument
754 	list_for_each_entry(s, &bus->stream_list, list) {  in snd_hdac_bus_free_stream_pages()
759 	if (bus->rb.area)  in snd_hdac_bus_free_stream_pages()
760 		snd_dma_free_pages(&bus->rb);  in snd_hdac_bus_free_stream_pages()
761 	if (bus->posbuf.area)  in snd_hdac_bus_free_stream_pages()
762 		snd_dma_free_pages(&bus->posbuf);  in snd_hdac_bus_free_stream_pages()
774 		set_bit(codec->addr, &codec->bus->codec_powered);  in snd_hdac_bus_link_power()
776 		clear_bit(codec->addr, &codec->bus->codec_powered);  in snd_hdac_bus_link_power()