[ALSA] hda-codec - Add channel-mode helper

Modules: HDA Codec driver,HDA generic driver

Add common channel-mode helper functions for all codec patches.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 17 insertions, 45 deletions

diff --git a/sound/pci/hda/patch_cmedia.c b/sound/pci/hda/patch_cmedia.c
index 523c362ec44d..6e0fd92a2be3 100644
--- a/sound/pci/hda/patch_cmedia.c
+++ b/sound/pci/hda/patch_cmedia.c
@@ -44,7 +44,6 @@ enum {
 
 struct cmi_spec {
         int board_config;
-        unsigned int surr_switch: 1;    /* switchable line,mic */
         unsigned int no_line_in: 1;     /* no line-in (5-jack) */
         unsigned int front_panel: 1;    /* has front-panel 2-jack */
 
@@ -62,9 +61,8 @@ struct cmi_spec {
         unsigned int cur_mux[2];
 
         /* channel mode */
-        unsigned int num_ch_modes;
-        unsigned int cur_ch_mode;
-        const struct cmi_channel_mode *channel_modes;
+        int num_channel_modes;
+        const struct hda_channel_mode *channel_modes;
 
         struct hda_pcm pcm_rec[2];      /* PCM information */
 
@@ -158,12 +156,7 @@ static struct hda_verb cmi9880_ch8_init[] = {
         {}
 };
 
-struct cmi_channel_mode {
-        unsigned int channels;
-        const struct hda_verb *sequence;
-};
-
-static struct cmi_channel_mode cmi9880_channel_modes[3] = {
+static struct hda_channel_mode cmi9880_channel_modes[3] = {
         { 2, cmi9880_ch2_init },
         { 6, cmi9880_ch6_init },
         { 8, cmi9880_ch8_init },
@@ -173,43 +166,24 @@ static int cmi_ch_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct cmi_spec *spec = codec->spec;
-
-        snd_assert(spec->channel_modes, return -EINVAL);
-        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-        uinfo->count = 1;
-        uinfo->value.enumerated.items = spec->num_ch_modes;
-        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
-                uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
-        sprintf(uinfo->value.enumerated.name, "%dch",
-                spec->channel_modes[uinfo->value.enumerated.item].channels);
-        return 0;
+        return snd_hda_ch_mode_info(codec, uinfo, spec->channel_modes,
+                                    spec->num_channel_modes);
 }
 
 static int cmi_ch_mode_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct cmi_spec *spec = codec->spec;
-
-        ucontrol->value.enumerated.item[0] = spec->cur_ch_mode;
-        return 0;
+        return snd_hda_ch_mode_get(codec, ucontrol, spec->channel_modes,
+                                   spec->num_channel_modes, spec->multiout.max_channels);
 }
 
 static int cmi_ch_mode_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct cmi_spec *spec = codec->spec;
-
-        snd_assert(spec->channel_modes, return -EINVAL);
-        if (ucontrol->value.enumerated.item[0] >= spec->num_ch_modes)
-                ucontrol->value.enumerated.item[0] = spec->num_ch_modes;
-        if (ucontrol->value.enumerated.item[0] == spec->cur_ch_mode &&
-            ! codec->in_resume)
-                return 0;
-
-        spec->cur_ch_mode = ucontrol->value.enumerated.item[0];
-        snd_hda_sequence_write(codec, spec->channel_modes[spec->cur_ch_mode].sequence);
-        spec->multiout.max_channels = spec->channel_modes[spec->cur_ch_mode].channels;
-        return 1;
+        return snd_hda_ch_mode_put(codec, ucontrol, spec->channel_modes,
+                                   spec->num_channel_modes, &spec->multiout.max_channels);
 }
 
 /*
@@ -361,7 +335,7 @@ static int cmi9880_build_controls(struct hda_codec *codec)
         err = snd_hda_add_new_ctls(codec, cmi9880_basic_mixer);
         if (err < 0)
                 return err;
-        if (spec->surr_switch) {
+        if (spec->channel_modes) {
                 err = snd_hda_add_new_ctls(codec, cmi9880_ch_mode_mixer);
                 if (err < 0)
                         return err;
@@ -475,7 +449,7 @@ static int cmi9880_resume(struct hda_codec *codec)
 
         cmi9880_init(codec);
         snd_hda_resume_ctls(codec, cmi9880_basic_mixer);
-        if (spec->surr_switch)
+        if (spec->channel_modes)
                 snd_hda_resume_ctls(codec, cmi9880_ch_mode_mixer);
         if (spec->multiout.dig_out_nid)
                 snd_hda_resume_spdif_out(codec);
@@ -685,14 +659,13 @@ static int patch_cmi9880(struct hda_codec *codec)
         switch (spec->board_config) {
         case CMI_MINIMAL:
         case CMI_MIN_FP:
-                spec->surr_switch = 1;
+                spec->channel_modes = cmi9880_channel_modes;
                 if (spec->board_config == CMI_MINIMAL)
-                        spec->num_ch_modes = 2;
+                        spec->num_channel_modes = 2;
                 else {
                         spec->front_panel = 1;
-                        spec->num_ch_modes = 3;
+                        spec->num_channel_modes = 3;
                 }
-                spec->channel_modes = cmi9880_channel_modes;
                 spec->multiout.max_channels = cmi9880_channel_modes[0].channels;
                 spec->input_mux = &cmi9880_basic_mux;
                 break;
@@ -727,19 +700,18 @@ static int patch_cmi9880(struct hda_codec *codec)
                     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;
+                        spec->channel_modes = cmi9880_channel_modes;
                         /* 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;
+                                spec->num_channel_modes = 2;
                         } else {
                                 spec->board_config = CMI_MIN_FP;
-                                spec->num_ch_modes = 3;
+                                spec->num_channel_modes = 3;
                         }
-                        spec->channel_modes = cmi9880_channel_modes;
                         spec->input_mux = &cmi9880_basic_mux;
                         spec->multiout.max_channels = cmi9880_channel_modes[0].channels;
                 } else {