From b19df7b9950cd8c1212dcc775dffcdaace391db3 Mon Sep 17 00:00:00 2001 From: Vaibhav Agarwal Date: Tue, 16 Feb 2016 00:27:27 +0530 Subject: [PATCH] greybus: audio: Enable support for multiple codec modules Update params, sequence in response to changes in msm8994 helper APIs Signed-off-by: Vaibhav Agarwal Reviewed-by: Mark Greer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/audio_codec.c | 107 ++++++++++++---------------------- 1 file changed, 36 insertions(+), 71 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index c05ab4f..cabe289 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -430,65 +430,6 @@ static unsigned int gbcodec_read(struct snd_soc_codec *codec, return val; } -static struct snd_soc_codec_driver soc_codec_dev_gbcodec = { - .probe = gbcodec_probe, - .remove = gbcodec_remove, - - .read = gbcodec_read, - .write = gbcodec_write, - - .reg_cache_size = GBCODEC_REG_COUNT, - .reg_cache_default = gbcodec_reg_defaults, - .reg_word_size = 1, - - .idle_bias_off = true, - .ignore_pmdown_time = 1, -}; - -/* - * GB codec DAI link related - */ -static struct snd_soc_dai_link gbaudio_dailink = { - .name = "PRI_MI2S_RX", - .stream_name = "Primary MI2S Playback", - .platform_name = "msm-pcm-routing", - .cpu_dai_name = "msm-dai-q6-mi2s.0", - .no_pcm = 1, - .be_id = 34, -}; - -static int gbaudio_add_dailinks(struct gbaudio_codec_info *gbcodec) -{ - int ret, i; - char *dai_link_name; - struct snd_soc_dai_link *dailink; - struct device *dev = gbcodec->dev; - - dailink = &gbaudio_dailink; - dailink->codec_name = gbcodec->name; - - /* FIXME - * allocate memory for DAI links based on count. - * currently num_dai_links=1, so using static struct - */ - gbcodec->num_dai_links = 1; - - for (i = 0; i < gbcodec->num_dai_links; i++) { - gbcodec->dailink_name[i] = dai_link_name = - devm_kzalloc(dev, NAME_SIZE, GFP_KERNEL); - snprintf(dai_link_name, NAME_SIZE, "GB %d.%d PRI_MI2S_RX", - gbcodec->dev_id, i); - dailink->name = dai_link_name; - dailink->codec_dai_name = gbcodec->dais[i].name; - } - - ret = msm8994_add_dailink("msm8994-tomtom-mtp-snd-card", dailink, 1); - if (ret) - dev_err(dev, "%d:Error while adding DAI link\n", ret); - - return ret; -} - /* * gb_snd management functions */ @@ -542,12 +483,21 @@ static int gbaudio_register_codec(struct gbaudio_codec_info *gbcodec) int ret, i; struct device *dev = gbcodec->dev; struct gb_connection *connection = gbcodec->mgmt_connection; + struct snd_soc_codec_driver *soc_codec_dev_gbcodec; /* * FIXME: malloc for topology happens via audio_gb driver * should be done within codec driver itself */ struct gb_audio_topology *topology; + soc_codec_dev_gbcodec = devm_kzalloc(gbcodec->dev, + sizeof(*soc_codec_dev_gbcodec), + GFP_KERNEL); + if (!soc_codec_dev_gbcodec) { + dev_err(gbcodec->dev, "Malloc failed for codec_driver\n"); + return -ENOMEM; + } + ret = gb_connection_enable(connection); if (ret) { dev_err(dev, "%d: Error while enabling mgmt connection\n", ret); @@ -572,19 +522,32 @@ static int gbaudio_register_codec(struct gbaudio_codec_info *gbcodec) gbcodec->topology = topology; /* update codec info */ - soc_codec_dev_gbcodec.controls = gbcodec->kctls; - soc_codec_dev_gbcodec.num_controls = gbcodec->num_kcontrols; - soc_codec_dev_gbcodec.dapm_widgets = gbcodec->widgets; - soc_codec_dev_gbcodec.num_dapm_widgets = gbcodec->num_dapm_widgets; - soc_codec_dev_gbcodec.dapm_routes = gbcodec->routes; - soc_codec_dev_gbcodec.num_dapm_routes = gbcodec->num_dapm_routes; + soc_codec_dev_gbcodec->probe = gbcodec_probe, + soc_codec_dev_gbcodec->remove = gbcodec_remove, + + soc_codec_dev_gbcodec->read = gbcodec_read, + soc_codec_dev_gbcodec->write = gbcodec_write, + + soc_codec_dev_gbcodec->reg_cache_size = GBCODEC_REG_COUNT, + soc_codec_dev_gbcodec->reg_cache_default = gbcodec_reg_defaults, + soc_codec_dev_gbcodec->reg_word_size = 1, + + soc_codec_dev_gbcodec->idle_bias_off = true, + soc_codec_dev_gbcodec->ignore_pmdown_time = 1, + + soc_codec_dev_gbcodec->controls = gbcodec->kctls; + soc_codec_dev_gbcodec->num_controls = gbcodec->num_kcontrols; + soc_codec_dev_gbcodec->dapm_widgets = gbcodec->widgets; + soc_codec_dev_gbcodec->num_dapm_widgets = gbcodec->num_dapm_widgets; + soc_codec_dev_gbcodec->dapm_routes = gbcodec->routes; + soc_codec_dev_gbcodec->num_dapm_routes = gbcodec->num_dapm_routes; /* update DAI info */ for (i = 0; i < gbcodec->num_dais; i++) gbcodec->dais[i].ops = &gbcodec_dai_ops; /* register codec */ - ret = snd_soc_register_codec(dev, &soc_codec_dev_gbcodec, + ret = snd_soc_register_codec(dev, soc_codec_dev_gbcodec, gbcodec->dais, 1); if (ret) { dev_err(dev, "%d:Failed to register codec\n", ret); @@ -592,11 +555,13 @@ static int gbaudio_register_codec(struct gbaudio_codec_info *gbcodec) } /* update DAI links in response to this codec */ - ret = gbaudio_add_dailinks(gbcodec); + ret = msm8994_add_dailink("msm8994-tomtom-mtp-snd-card", gbcodec->name, + gbcodec->dais[0].name, 1); if (ret) { dev_err(dev, "%d: Failed to add DAI links\n", ret); goto add_dailink_err; } + gbcodec->num_dai_links = 1; return 0; @@ -615,8 +580,8 @@ tplg_fetch_err: static void gbaudio_unregister_codec(struct gbaudio_codec_info *gbcodec) { gb_audio_cleanup(gbcodec); - msm8994_remove_dailink("msm8994-tomtom-mtp-snd-card", &gbaudio_dailink, - 1); + msm8994_remove_dailink("msm8994-tomtom-mtp-snd-card", gbcodec->name, + gbcodec->dais[0].name, 1); snd_soc_unregister_codec(gbcodec->dev); gbaudio_tplg_release(gbcodec); kfree(gbcodec->topology); @@ -792,7 +757,7 @@ static int gb_audio_probe(struct gb_bundle *bundle, gbcodec->manager_id = gb_audio_manager_add(&desc); atomic_set(&gbcodec->is_connected, 1); - list_add(&gbcodec->list, &gb_codec_list); + list_add_tail(&gbcodec->list, &gb_codec_list); dev_dbg(dev, "Add GB Audio device:%s\n", gbcodec->name); mutex_unlock(&gb_codec_list_lock); @@ -826,7 +791,6 @@ static void gb_audio_disconnect(struct gb_bundle *bundle) mutex_lock(&gb_codec_list_lock); atomic_set(&gbcodec->is_connected, 0); - list_del(&gbcodec->list); /* inform uevent to above layers */ gb_audio_manager_remove(gbcodec->manager_id); @@ -842,6 +806,7 @@ static void gb_audio_disconnect(struct gb_bundle *bundle) } gb_connection_destroy(gbcodec->mgmt_connection); gbcodec->mgmt_connection = NULL; + list_del(&gbcodec->list); mutex_unlock(&gbcodec->lock); devm_kfree(&bundle->dev, gbcodec); -- 2.7.4