memset(assigned, 0, sizeof(assigned));	/* check the pins we found */	for (i = 0; i < cfg->line_outs; i++) {		nid = cfg->line_out_pins[i];		/* nid 0x0b~0x0e is hardwired to audio widget 0x3~0x6 */		if (nid >= 0x0b && nid <= 0x0e) {			spec->dac_nids[i] = (nid - 0x0b) + 0x03;			assigned[nid - 0x0b] = 1;		}	}	/* left pin can be connect to any audio widget */	for (i = 0; i < cfg->line_outs; i++) {		nid = cfg->line_out_pins[i];		if (nid <= 0x0e)			continue;		/* search for an empty channel */		for (j = 0; j < cfg->line_outs; j++) {			if (! assigned[j]) {				spec->dac_nids[i] = j + 0x03;				assigned[j] = 1;				break;			}		}	}	spec->num_dacs = cfg->line_outs;	return 0;}/* create multi_init table, which is used for multichannel initialization */static int cmi9880_fill_multi_init(struct hda_codec *codec, const struct auto_pin_cfg *cfg){	struct cmi_spec *spec = codec->spec;	hda_nid_t nid;	int i, j, k, len;	/* clear the table, only one c-media dac assumed here */	memset(spec->multi_init, 0, sizeof(spec->multi_init));	for (j = 0, i = 0; i < cfg->line_outs; i++) {		hda_nid_t conn[4];		nid = cfg->line_out_pins[i];		/* set as output */		spec->multi_init[j].nid = nid;		spec->multi_init[j].verb = AC_VERB_SET_PIN_WIDGET_CONTROL;		spec->multi_init[j].param = PIN_OUT;		j++;		if (nid > 0x0e) {			/* set connection */			spec->multi_init[j].nid = nid;			spec->multi_init[j].verb = AC_VERB_SET_CONNECT_SEL;			spec->multi_init[j].param = 0;			/* find the index in connect list */			len = snd_hda_get_connections(codec, nid, conn, 4);			for (k = 0; k < len; k++)				if (conn[k] == spec->dac_nids[i]) {					spec->multi_init[j].param = k;					break;				}			j++;		}	}	return 0;}static int cmi9880_init(struct hda_codec *codec){	struct cmi_spec *spec = codec->spec;	if (spec->board_config == CMI_ALLOUT)		snd_hda_sequence_write(codec, cmi9880_allout_init);	else		snd_hda_sequence_write(codec, cmi9880_basic_init);	if (spec->board_config == CMI_AUTO)		snd_hda_sequence_write(codec, spec->multi_init);	return 0;}#ifdef CONFIG_PM/* * resume */static int cmi9880_resume(struct hda_codec *codec){	struct cmi_spec *spec = codec->spec;	cmi9880_init(codec);	snd_hda_resume_ctls(codec, cmi9880_basic_mixer);	if (spec->surr_switch)		snd_hda_resume_ctls(codec, cmi9880_ch_mode_mixer);	if (spec->multiout.dig_out_nid)		snd_hda_resume_spdif_out(codec);	if (spec->dig_in_nid)		snd_hda_resume_spdif_in(codec);	return 0;}#endif/* * Analog playback callbacks */static int cmi9880_playback_pcm_open(struct hda_pcm_stream *hinfo,				     struct hda_codec *codec,				     snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream);}static int cmi9880_playback_pcm_prepare(struct hda_pcm_stream *hinfo,					struct hda_codec *codec,					unsigned int stream_tag,					unsigned int format,					snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	return snd_hda_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,						format, substream);}static int cmi9880_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,				       struct hda_codec *codec,				       snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);}/* * Digital out */static int cmi9880_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,					 struct hda_codec *codec,					 snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	return snd_hda_multi_out_dig_open(codec, &spec->multiout);}static int cmi9880_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,					  struct hda_codec *codec,					  snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	return snd_hda_multi_out_dig_close(codec, &spec->multiout);}/* * Analog capture */static int cmi9880_capture_pcm_prepare(struct hda_pcm_stream *hinfo,				      struct hda_codec *codec,				      unsigned int stream_tag,				      unsigned int format,				      snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],				   stream_tag, 0, format);	return 0;}static int cmi9880_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,				      struct hda_codec *codec,				      snd_pcm_substream_t *substream){	struct cmi_spec *spec = codec->spec;	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number], 0, 0, 0);	return 0;}/* */static struct hda_pcm_stream cmi9880_pcm_analog_playback = {	.substreams = 1,	.channels_min = 2,	.channels_max = 8,	.nid = 0x03, /* NID to query formats and rates */	.ops = {		.open = cmi9880_playback_pcm_open,		.prepare = cmi9880_playback_pcm_prepare,		.cleanup = cmi9880_playback_pcm_cleanup	},};static struct hda_pcm_stream cmi9880_pcm_analog_capture = {	.substreams = 2,	.channels_min = 2,	.channels_max = 2,	.nid = 0x08, /* NID to query formats and rates */	.ops = {		.prepare = cmi9880_capture_pcm_prepare,		.cleanup = cmi9880_capture_pcm_cleanup	},};static struct hda_pcm_stream cmi9880_pcm_digital_playback = {	.substreams = 1,	.channels_min = 2,	.channels_max = 2,	/* NID is set in cmi9880_build_pcms */	.ops = {		.open = cmi9880_dig_playback_pcm_open,		.close = cmi9880_dig_playback_pcm_close	},};static struct hda_pcm_stream cmi9880_pcm_digital_capture = {	.substreams = 1,	.channels_min = 2,	.channels_max = 2,	/* NID is set in cmi9880_build_pcms */};static int cmi9880_build_pcms(struct hda_codec *codec){	struct cmi_spec *spec = codec->spec;	struct hda_pcm *info = spec->pcm_rec;	codec->num_pcms = 1;	codec->pcm_info = info;	info->name = "CMI9880";	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cmi9880_pcm_analog_playback;	info->stream[SNDRV_PCM_STREAM_CAPTURE] = cmi9880_pcm_analog_capture;	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {		codec->num_pcms++;		info++;		info->name = "CMI9880 Digital";		if (spec->multiout.dig_out_nid) {			info->stream[SNDRV_PCM_STREAM_PLAYBACK] = cmi9880_pcm_digital_playback;			info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dig_out_nid;		}		if (spec->dig_in_nid) {			info->stream[SNDRV_PCM_STREAM_CAPTURE] = cmi9880_pcm_digital_capture;			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid;		}	}	return 0;}static void cmi9880_free(struct hda_codec *codec){	kfree(codec->spec);}/* */static struct hda_board_config cmi9880_cfg_tbl[] = {	{ .modelname = "minimal", .config = CMI_MINIMAL },	{ .modelname = "min_fp", .config = CMI_MIN_FP },	{ .modelname = "full", .config = CMI_FULL },	{ .modelname = "full_dig", .config = CMI_FULL_DIG },	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x813d, .config = CMI_FULL_DIG }, /* ASUS P5AD2 */	{ .modelname = "allout", .config = CMI_ALLOUT },	{ .modelname = "auto", .config = CMI_AUTO },	{} /* terminator */};static struct hda_codec_ops cmi9880_patch_ops = {	.build_controls = cmi9880_build_controls,	.build_pcms = cmi9880_build_pcms,	.init = cmi9880_init,	.free = cmi9880_free,#ifdef CONFIG_PM	.resume = cmi9880_resume,#endif};static int patch_cmi9880(struct hda_codec *codec){	struct cmi_spec *spec;	spec = kzalloc(sizeof(*spec), GFP_KERNEL);	if (spec == NULL)		return -ENOMEM;	codec->spec = spec;	spec->board_config = snd_hda_check_board_config(codec, cmi9880_cfg_tbl);	if (spec->board_config < 0) {		snd_printdd(KERN_INFO "hda_codec: Unknown model for CMI9880\n");		spec->board_config = CMI_AUTO; /* try everything */	}	/* copy default DAC NIDs */	memcpy(spec->dac_nids, cmi9880_dac_nids, sizeof(spec->dac_nids));	spec->num_dacs = 4;	switch (spec->board_config) {	case CMI_MINIMAL:	case CMI_MIN_FP:		spec->surr_switch = 1;		if (spec->board_config == CMI_MINIMAL)			spec->num_ch_modes = 2;		else {			spec->front_panel = 1;			spec->num_ch_modes = 3;		}		spec->channel_modes = cmi9880_channel_modes;		spec->multiout.max_channels = cmi9880_channel_modes[0].channels;		spec->input_mux = &cmi9880_basic_mux;		break;	case CMI_FULL:	case CMI_FULL_DIG:		spec->front_panel = 1;		spec->multiout.max_channels = 8;		spec->input_mux = &cmi9880_basic_mux;		if (spec->board_config == CMI_FULL_DIG) {			spec->multiout.dig_out_nid = CMI_DIG_OUT_NID;			spec->dig_in_nid = CMI_DIG_IN_NID;		}		break;	case CMI_ALLOUT:		spec->front_panel = 1;		spec->multiout.max_channels = 8;		spec->no_line_in = 1;		spec->input_mux = &cmi9880_no_line_mux;		spec->multiout.dig_out_nid = CMI_DIG_OUT_NID;		break;	case CMI_AUTO:		{		unsigned int port_e, port_f, port_g, port_h;		unsigned int port_spdifi, port_spdifo;		struct auto_pin_cfg cfg;		/* collect pin default configuration */		port_e = snd_hda_codec_read(codec, 0x0f, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);		port_f = snd_hda_codec_read(codec, 0x10, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);		spec->front_panel = 1;		if (get_defcfg_connect(port_e) == AC_JACK_PORT_NONE ||		    get_defcfg_connect(port_f) == AC_JACK_PORT_NONE) {			port_g = snd_hda_codec_read(codec, 0x1f, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);			port_h = snd_hda_codec_read(codec, 0x20, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);			spec->surr_switch = 1;			/* no front panel */			if (get_defcfg_connect(port_g) == AC_JACK_PORT_NONE ||			    get_defcfg_connect(port_h) == AC_JACK_PORT_NONE) {				/* no optional rear panel */				spec->board_config = CMI_MINIMAL;				spec->front_panel = 0;				spec->num_ch_modes = 2;			} else {				spec->board_config = CMI_MIN_FP;				spec->num_ch_modes = 3;			}			spec->channel_modes = cmi9880_channel_modes;			spec->input_mux = &cmi9880_basic_mux;			spec->multiout.max_channels = cmi9880_channel_modes[0].channels;		} else {			spec->input_mux = &cmi9880_basic_mux;			port_spdifi = snd_hda_codec_read(codec, 0x13, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);			port_spdifo = snd_hda_codec_read(codec, 0x12, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);			if (get_defcfg_connect(port_spdifo) != AC_JACK_PORT_NONE)				spec->multiout.dig_out_nid = CMI_DIG_OUT_NID;			if (get_defcfg_connect(port_spdifi) != AC_JACK_PORT_NONE)				spec->dig_in_nid = CMI_DIG_IN_NID;			spec->multiout.max_channels = 8;		}		snd_hda_parse_pin_def_config(codec, &cfg);		if (cfg.line_outs) {			spec->multiout.max_channels = cfg.line_outs * 2;			cmi9880_fill_multi_dac_nids(codec, &cfg);			cmi9880_fill_multi_init(codec, &cfg);		} else			snd_printd("patch_cmedia: cannot detect association in defcfg\n");		break;		}	}	spec->multiout.num_dacs = spec->num_dacs;	spec->multiout.dac_nids = spec->dac_nids;	spec->adc_nids = cmi9880_adc_nids;	codec->patch_ops = cmi9880_patch_ops;	return 0;}/* * patch entries */struct hda_codec_preset snd_hda_preset_cmedia[] = {	{ .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 }, 	{ .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 },	{} /* terminator */};