/* * Universal Interface for Intel High Definition Audio Codec * * Generic proc interface * * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> * * * This driver is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This driver is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/init.h> #include <sound/core.h> #include "hda_codec.h" #include "hda_local.h" static const char *get_wid_type_name(unsigned int wid_value) { static char *names[16] = { [AC_WID_AUD_OUT] = "Audio Output", [AC_WID_AUD_IN] = "Audio Input", [AC_WID_AUD_MIX] = "Audio Mixer", [AC_WID_AUD_SEL] = "Audio Selector", [AC_WID_PIN] = "Pin Complex", [AC_WID_POWER] = "Power Widget", [AC_WID_VOL_KNB] = "Volume Knob Widget", [AC_WID_BEEP] = "Beep Generator Widget", [AC_WID_VENDOR] = "Vendor Defined Widget", }; wid_value &= 0xf; if (names[wid_value]) return names[wid_value]; else return "UNKNOWN Widget"; } static void print_amp_caps(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, int dir) { unsigned int caps; caps = snd_hda_param_read(codec, nid, dir == HDA_OUTPUT ? AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); if (caps == -1 || caps == 0) { snd_iprintf(buffer, "N/A\n"); return; } snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, " "mute=%x\n", caps & AC_AMPCAP_OFFSET, (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT, (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT, (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT); } static void print_amp_vals(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, int dir, int stereo, int indices) { unsigned int val; int i; dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; for (i = 0; i < indices; i++) { snd_iprintf(buffer, " ["); if (stereo) { val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, AC_AMP_GET_LEFT | dir | i); snd_iprintf(buffer, "0x%02x ", val); } val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, AC_AMP_GET_RIGHT | dir | i); snd_iprintf(buffer, "0x%02x]", val); } snd_iprintf(buffer, "\n"); } static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm) { char buf[SND_PRINT_RATES_ADVISED_BUFSIZE]; pcm &= AC_SUPPCM_RATES; snd_iprintf(buffer, " rates [0x%x]:", pcm); snd_print_pcm_rates(pcm, buf, sizeof(buf)); snd_iprintf(buffer, "%s\n", buf); } static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm) { char buf[SND_PRINT_BITS_ADVISED_BUFSIZE]; snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff); snd_print_pcm_bits(pcm, buf, sizeof(buf)); snd_iprintf(buffer, "%s\n", buf); } static void print_pcm_formats(struct snd_info_buffer *buffer, unsigned int streams) { snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf); if (streams & AC_SUPFMT_PCM) snd_iprintf(buffer, " PCM"); if (streams & AC_SUPFMT_FLOAT32) snd_iprintf(buffer, " FLOAT"); if (streams & AC_SUPFMT_AC3) snd_iprintf(buffer, " AC3"); snd_iprintf(buffer, "\n"); } static void print_pcm_caps(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM); unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM); if (pcm == -1 || stream == -1) { snd_iprintf(buffer, "N/A\n"); return; } print_pcm_rates(buffer, pcm); print_pcm_bits(buffer, pcm); print_pcm_formats(buffer, stream); } static const char *get_jack_connection(u32 cfg) { static char *names[16] = { "Unknown", "1/8", "1/4", "ATAPI", "RCA", "Optical","Digital", "Analog", "DIN", "XLR", "RJ11", "Comb", NULL, NULL, NULL, "Other" }; cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT; if (names[cfg]) return names[cfg]; else return "UNKNOWN"; } static const char *get_jack_color(u32 cfg) { static char *names[16] = { "Unknown", "Black", "Grey", "Blue", "Green", "Red", "Orange", "Yellow", "Purple", "Pink", NULL, NULL, NULL, NULL, "White", "Other", }; cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT; if (names[cfg]) return names[cfg]; else return "UNKNOWN"; } static void print_pin_caps(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, int *supports_vref) { static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" }; unsigned int caps, val; caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); snd_iprintf(buffer, " Pincap 0x%08x:", caps); if (caps & AC_PINCAP_IN) snd_iprintf(buffer, " IN"); if (caps & AC_PINCAP_OUT) snd_iprintf(buffer, " OUT"); if (caps & AC_PINCAP_HP_DRV) snd_iprintf(buffer, " HP"); if (caps & AC_PINCAP_EAPD) snd_iprintf(buffer, " EAPD"); if (caps & AC_PINCAP_PRES_DETECT) snd_iprintf(buffer, " Detect"); if (caps & AC_PINCAP_BALANCE) snd_iprintf(buffer, " Balanced"); if (caps & AC_PINCAP_HDMI) { /* Realtek uses this bit as a different meaning */ if ((codec->vendor_id >> 16) == 0x10ec) snd_iprintf(buffer, " R/L"); else snd_iprintf(buffer, " HDMI"); } if (caps & AC_PINCAP_TRIG_REQ) snd_iprintf(buffer, " Trigger"); if (caps & AC_PINCAP_IMP_SENSE) snd_iprintf(buffer, " ImpSense"); snd_iprintf(buffer, "\n"); if (caps & AC_PINCAP_VREF) { unsigned int vref = (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT; snd_iprintf(buffer, " Vref caps:"); if (vref & AC_PINCAP_VREF_HIZ) snd_iprintf(buffer, " HIZ"); if (vref & AC_PINCAP_VREF_50) snd_iprintf(buffer, " 50"); if (vref & AC_PINCAP_VREF_GRD) snd_iprintf(buffer, " GRD"); if (vref & AC_PINCAP_VREF_80) snd_iprintf(buffer, " 80"); if (vref & AC_PINCAP_VREF_100) snd_iprintf(buffer, " 100"); snd_iprintf(buffer, "\n"); *supports_vref = 1; } else *supports_vref = 0; if (caps & AC_PINCAP_EAPD) { val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_EAPD_BTLENABLE, 0); snd_iprintf(buffer, " EAPD 0x%x:", val); if (val & AC_EAPDBTL_BALANCED) snd_iprintf(buffer, " BALANCED"); if (val & AC_EAPDBTL_EAPD) snd_iprintf(buffer, " EAPD"); if (val & AC_EAPDBTL_LR_SWAP) snd_iprintf(buffer, " R/L"); snd_iprintf(buffer, "\n"); } caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps, jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT], snd_hda_get_jack_type(caps), snd_hda_get_jack_connectivity(caps), snd_hda_get_jack_location(caps)); snd_iprintf(buffer, " Conn = %s, Color = %s\n", get_jack_connection(caps), get_jack_color(caps)); /* Default association and sequence values refer to default grouping * of pin complexes and their sequence within the group. This is used * for priority and resource allocation. */ snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n", (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT, caps & AC_DEFCFG_SEQUENCE); if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) & AC_DEFCFG_MISC_NO_PRESENCE) { /* Miscellaneous bit indicates external hardware does not * support presence detection even if the pin complex * indicates it is supported. */ snd_iprintf(buffer, " Misc = NO_PRESENCE\n"); } } static void print_pin_ctls(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, int supports_vref) { unsigned int pinctls; pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls); if (pinctls & AC_PINCTL_IN_EN) snd_iprintf(buffer, " IN"); if (pinctls & AC_PINCTL_OUT_EN) snd_iprintf(buffer, " OUT"); if (pinctls & AC_PINCTL_HP_EN) snd_iprintf(buffer, " HP"); if (supports_vref) { int vref = pinctls & AC_PINCTL_VREFEN; switch (vref) { case AC_PINCTL_VREF_HIZ: snd_iprintf(buffer, " VREF_HIZ"); break; case AC_PINCTL_VREF_50: snd_iprintf(buffer, " VREF_50"); break; case AC_PINCTL_VREF_GRD: snd_iprintf(buffer, " VREF_GRD"); break; case AC_PINCTL_VREF_80: snd_iprintf(buffer, " VREF_80"); break; case AC_PINCTL_VREF_100: snd_iprintf(buffer, " VREF_100"); break; } } snd_iprintf(buffer, "\n"); } static void print_vol_knob(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { unsigned int cap = snd_hda_param_read(codec, nid, AC_PAR_VOL_KNB_CAP); snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ", (cap >> 7) & 1, cap & 0x7f); cap = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_VOLUME_KNOB_CONTROL, 0); snd_iprintf(buffer, "direct=%d, val=%d\n", (cap >> 7) & 1, cap & 0x7f); } static void print_audio_io(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, unsigned int wid_type) { int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); snd_iprintf(buffer, " Converter: stream=%d, channel=%d\n", (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT, conv & AC_CONV_CHANNEL); if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) { int sdi = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_SDI_SELECT, 0); snd_iprintf(buffer, " SDI-Select: %d\n", sdi & AC_SDI_SELECT); } } static void print_digital_conv(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { unsigned int digi1 = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); snd_iprintf(buffer, " Digital:"); if (digi1 & AC_DIG1_ENABLE) snd_iprintf(buffer, " Enabled"); if (digi1 & AC_DIG1_V) snd_iprintf(buffer, " Validity"); if (digi1 & AC_DIG1_VCFG) snd_iprintf(buffer, " ValidityCfg"); if (digi1 & AC_DIG1_EMPHASIS) snd_iprintf(buffer, " Preemphasis"); if (digi1 & AC_DIG1_COPYRIGHT) snd_iprintf(buffer, " Copyright"); if (digi1 & AC_DIG1_NONAUDIO) snd_iprintf(buffer, " Non-Audio"); if (digi1 & AC_DIG1_PROFESSIONAL) snd_iprintf(buffer, " Pro"); if (digi1 & AC_DIG1_LEVEL) snd_iprintf(buffer, " GenLevel"); snd_iprintf(buffer, "\n"); snd_iprintf(buffer, " Digital category: 0x%x\n", (digi1 >> 8) & AC_DIG2_CC); } static const char *get_pwr_state(u32 state) { static const char *buf[4] = { "D0", "D1", "D2", "D3" }; if (state < 4) return buf[state]; return "UNKNOWN"; } static void print_power_state(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { int pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); snd_iprintf(buffer, " Power: setting=%s, actual=%s\n", get_pwr_state(pwr & AC_PWRST_SETTING), get_pwr_state((pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT)); } static void print_unsol_cap(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { int unsol = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_UNSOLICITED_RESPONSE, 0); snd_iprintf(buffer, " Unsolicited: tag=%02x, enabled=%d\n", unsol & AC_UNSOL_TAG, (unsol & AC_UNSOL_ENABLED) ? 1 : 0); } static void print_proc_caps(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { unsigned int proc_caps = snd_hda_param_read(codec, nid, AC_PAR_PROC_CAP); snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n", proc_caps & AC_PCAP_BENIGN, (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT); } static void print_conn_list(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid, unsigned int wid_type, hda_nid_t *conn, int conn_len) { int c, curr = -1; if (conn_len > 1 && wid_type != AC_WID_AUD_MIX && wid_type != AC_WID_VOL_KNB && wid_type != AC_WID_POWER) curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0); snd_iprintf(buffer, " Connection: %d\n", conn_len); if (conn_len > 0) { snd_iprintf(buffer, " "); for (c = 0; c < conn_len; c++) { snd_iprintf(buffer, " 0x%02x", conn[c]); if (c == curr) snd_iprintf(buffer, "*"); } snd_iprintf(buffer, "\n"); } } static void print_gpio(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid) { unsigned int gpio = snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP); unsigned int enable, direction, wake, unsol, sticky, data; int i, max; snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, " "unsolicited=%d, wake=%d\n", gpio & AC_GPIO_IO_COUNT, (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT, (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT, (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0, (gpio & AC_GPIO_WAKE) ? 1 : 0); max = gpio & AC_GPIO_IO_COUNT; if (!max || max > 8) return; enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_MASK, 0); direction = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_DIRECTION, 0); wake = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_WAKE_MASK, 0); unsol = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0); sticky = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_STICKY_MASK, 0); data = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_GPIO_DATA, 0); for (i = 0; i < max; ++i) snd_iprintf(buffer, " IO[%d]: enable=%d, dir=%d, wake=%d, " "sticky=%d, data=%d, unsol=%d\n", i, (enable & (1<<i)) ? 1 : 0, (direction & (1<<i)) ? 1 : 0, (wake & (1<<i)) ? 1 : 0, (sticky & (1<<i)) ? 1 : 0, (data & (1<<i)) ? 1 : 0, (unsol & (1<<i)) ? 1 : 0); /* FIXME: add GPO and GPI pin information */ } static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct hda_codec *codec = entry->private_data; hda_nid_t nid; int i, nodes; snd_iprintf(buffer, "Codec: "); if (codec->vendor_name && codec->chip_name) snd_iprintf(buffer, "%s %s\n", codec->vendor_name, codec->chip_name); else snd_iprintf(buffer, "Not Set\n"); snd_iprintf(buffer, "Address: %d\n", codec->addr); snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id); snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id); snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id); snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id); if (codec->mfg) snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg); else snd_iprintf(buffer, "No Modem Function Group found\n"); if (! codec->afg) return; snd_hda_power_up(codec); snd_iprintf(buffer, "Default PCM:\n"); print_pcm_caps(buffer, codec, codec->afg); snd_iprintf(buffer, "Default Amp-In caps: "); print_amp_caps(buffer, codec, codec->afg, HDA_INPUT); snd_iprintf(buffer, "Default Amp-Out caps: "); print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT); nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); if (! nid || nodes < 0) { snd_iprintf(buffer, "Invalid AFG subtree\n"); snd_hda_power_down(codec); return; } print_gpio(buffer, codec, codec->afg); if (codec->proc_widget_hook) codec->proc_widget_hook(buffer, codec, codec->afg); for (i = 0; i < nodes; i++, nid++) { unsigned int wid_caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; hda_nid_t conn[HDA_MAX_CONNECTIONS]; int conn_len = 0; snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid, get_wid_type_name(wid_type), wid_caps); if (wid_caps & AC_WCAP_STEREO) { unsigned int chans; chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13; chans = ((chans << 1) | 1) + 1; if (chans == 2) snd_iprintf(buffer, " Stereo"); else snd_iprintf(buffer, " %d-Channels", chans); } else snd_iprintf(buffer, " Mono"); if (wid_caps & AC_WCAP_DIGITAL) snd_iprintf(buffer, " Digital"); if (wid_caps & AC_WCAP_IN_AMP) snd_iprintf(buffer, " Amp-In"); if (wid_caps & AC_WCAP_OUT_AMP) snd_iprintf(buffer, " Amp-Out"); if (wid_caps & AC_WCAP_STRIPE) snd_iprintf(buffer, " Stripe"); if (wid_caps & AC_WCAP_LR_SWAP) snd_iprintf(buffer, " R/L"); if (wid_caps & AC_WCAP_CP_CAPS) snd_iprintf(buffer, " CP"); snd_iprintf(buffer, "\n"); /* volume knob is a special widget that always have connection * list */ if (wid_type == AC_WID_VOL_KNB) wid_caps |= AC_WCAP_CONN_LIST; if (wid_caps & AC_WCAP_CONN_LIST) conn_len = snd_hda_get_connections(codec, nid, conn, HDA_MAX_CONNECTIONS); if (wid_caps & AC_WCAP_IN_AMP) { snd_iprintf(buffer, " Amp-In caps: "); print_amp_caps(buffer, codec, nid, HDA_INPUT); snd_iprintf(buffer, " Amp-In vals: "); print_amp_vals(buffer, codec, nid, HDA_INPUT, wid_caps & AC_WCAP_STEREO, wid_type == AC_WID_PIN ? 1 : conn_len); } if (wid_caps & AC_WCAP_OUT_AMP) { snd_iprintf(buffer, " Amp-Out caps: "); print_amp_caps(buffer, codec, nid, HDA_OUTPUT); snd_iprintf(buffer, " Amp-Out vals: "); if (wid_type == AC_WID_PIN && codec->pin_amp_workaround) print_amp_vals(buffer, codec, nid, HDA_OUTPUT, wid_caps & AC_WCAP_STEREO, conn_len); else print_amp_vals(buffer, codec, nid, HDA_OUTPUT, wid_caps & AC_WCAP_STEREO, 1); } switch (wid_type) { case AC_WID_PIN: { int supports_vref; print_pin_caps(buffer, codec, nid, &supports_vref); print_pin_ctls(buffer, codec, nid, supports_vref); break; } case AC_WID_VOL_KNB: print_vol_knob(buffer, codec, nid); break; case AC_WID_AUD_OUT: case AC_WID_AUD_IN: print_audio_io(buffer, codec, nid, wid_type); if (wid_caps & AC_WCAP_DIGITAL) print_digital_conv(buffer, codec, nid); if (wid_caps & AC_WCAP_FORMAT_OVRD) { snd_iprintf(buffer, " PCM:\n"); print_pcm_caps(buffer, codec, nid); } break; } if (wid_caps & AC_WCAP_UNSOL_CAP) print_unsol_cap(buffer, codec, nid); if (wid_caps & AC_WCAP_POWER) print_power_state(buffer, codec, nid); if (wid_caps & AC_WCAP_DELAY) snd_iprintf(buffer, " Delay: %d samples\n", (wid_caps & AC_WCAP_DELAY) >> AC_WCAP_DELAY_SHIFT); if (wid_caps & AC_WCAP_CONN_LIST) print_conn_list(buffer, codec, nid, wid_type, conn, conn_len); if (wid_caps & AC_WCAP_PROC_WID) print_proc_caps(buffer, codec, nid); if (codec->proc_widget_hook) codec->proc_widget_hook(buffer, codec, nid); } snd_hda_power_down(codec); } /* * create a proc read */ int snd_hda_codec_proc_new(struct hda_codec *codec) { char name[32]; struct snd_info_entry *entry; int err; snprintf(name, sizeof(name), "codec#%d", codec->addr); err = snd_card_proc_new(codec->bus->card, name, &entry); if (err < 0) return err; snd_info_set_text_ops(entry, codec, print_codec_info); return 0; }