From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benoit Cousson Subject: [RFT v2 1/6] ASoC: core: Add helpers for codec and codec_dai search Date: Fri, 21 Mar 2014 16:27:25 +0100 Message-ID: <1395415650-20045-2-git-send-email-bcousson@baylibre.com> References: <1395415650-20045-1-git-send-email-bcousson@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by alsa0.perex.cz (Postfix) with ESMTP id B05882610A7 for ; Fri, 21 Mar 2014 16:28:01 +0100 (CET) Received: by mail-wg0-f52.google.com with SMTP id k14so1735309wgh.35 for ; Fri, 21 Mar 2014 08:28:01 -0700 (PDT) In-Reply-To: <1395415650-20045-1-git-send-email-bcousson@baylibre.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: broonie@kernel.org, lgirdwood@gmail.com Cc: Fabien Parent , alsa-devel@alsa-project.org, lars@metafoo.de, Misael Lopez Cruz , Benoit Cousson List-Id: alsa-devel@alsa-project.org From: Misael Lopez Cruz Add dedicated helpers for codec and codec_dai search in preparation for DAI-multicodec. It will help reducing the extra indentation that will be introduced by the iteration over multiple codecs. Previous implementation unnecessarily kept searching for a matching codec in the remaining register codecs even if it was already found. Fix that by returning in case of matching. Signed-off-by: Misael Lopez Cruz [fparent@baylibre.com: Adapt to 3.14+] Signed-off-by: Fabien Parent Signed-off-by: Benoit Cousson --- sound/soc/soc-core.c | 79 +++++++++++++++++++++++++++++++--------------------- 1 file changed, 47 insertions(+), 32 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b322cf2..ab65137 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -854,14 +854,47 @@ EXPORT_SYMBOL_GPL(snd_soc_resume); static const struct snd_soc_dai_ops null_dai_ops = { }; +static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node, + const char *codec_name) +{ + struct snd_soc_codec *codec; + + list_for_each_entry(codec, &codec_list, list) { + if (codec_of_node) { + if (codec->dev->of_node != codec_of_node) + continue; + } else { + if (strcmp(codec->name, codec_name)) + continue; + } + + return codec; + } + + return NULL; +} + +static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec, + const char *codec_dai_name) +{ + struct snd_soc_dai *codec_dai; + + list_for_each_entry(codec_dai, &codec->component.dai_list, list) { + if (!strcmp(codec_dai->name, codec_dai_name)) { + return codec_dai; + } + } + + return NULL; +} + static int soc_bind_dai_link(struct snd_soc_card *card, int num) { struct snd_soc_dai_link *dai_link = &card->dai_link[num]; struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; struct snd_soc_component *component; - struct snd_soc_codec *codec; struct snd_soc_platform *platform; - struct snd_soc_dai *codec_dai, *cpu_dai; + struct snd_soc_dai *cpu_dai; const char *platform_name; dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); @@ -889,42 +922,24 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) return -EPROBE_DEFER; } - /* Find CODEC from registered CODECs */ - list_for_each_entry(codec, &codec_list, list) { - if (dai_link->codec_of_node) { - if (codec->dev->of_node != dai_link->codec_of_node) - continue; - } else { - if (strcmp(codec->name, dai_link->codec_name)) - continue; - } - - rtd->codec = codec; - - /* - * CODEC found, so find CODEC DAI from registered DAIs from - * this CODEC - */ - list_for_each_entry(codec_dai, &codec->component.dai_list, list) { - if (!strcmp(codec_dai->name, dai_link->codec_dai_name)) { - rtd->codec_dai = codec_dai; - break; - } - } - - if (!rtd->codec_dai) { - dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", - dai_link->codec_dai_name); - return -EPROBE_DEFER; - } - } - + /* Find CODEC from registered list */ + rtd->codec = soc_find_codec(dai_link->codec_of_node, + dai_link->codec_name); if (!rtd->codec) { dev_err(card->dev, "ASoC: CODEC %s not registered\n", dai_link->codec_name); return -EPROBE_DEFER; } + /* Find CODEC DAI from registered list */ + rtd->codec_dai = soc_find_codec_dai(rtd->codec, + dai_link->codec_dai_name); + if (!rtd->codec_dai) { + dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", + dai_link->codec_dai_name); + return -EPROBE_DEFER; + } + /* if there's no platform we match on the empty platform */ platform_name = dai_link->platform_name; if (!platform_name && !dai_link->platform_of_node) -- 1.8.3.2