From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: [PATCH 06/10] ALSA: hda - Manage each codec instance individually Date: Wed, 26 Feb 2014 07:47:28 +0100 Message-ID: <1393397252-11690-7-git-send-email-tiwai@suse.de> References: <1393397252-11690-1-git-send-email-tiwai@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 601CB26559F for ; Wed, 26 Feb 2014 07:47:38 +0100 (CET) Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id EC70475025 for ; Wed, 26 Feb 2014 06:47:37 +0000 (UTC) In-Reply-To: <1393397252-11690-1-git-send-email-tiwai@suse.de> 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Now each snd_hda_codec instance is managed via the device chain, the registration and release are done by its callback instead of calling from bus. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 51360d916e6b..5ea1156954ab 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -821,35 +821,35 @@ static int init_unsol_queue(struct hda_bus *bus) /* * destructor */ -static void snd_hda_codec_free(struct hda_codec *codec); - -static int snd_hda_bus_free(struct hda_bus *bus) +static void snd_hda_bus_free(struct hda_bus *bus) { - struct hda_codec *codec, *n; - if (!bus) - return 0; + return; + + WARN_ON(!list_empty(&bus->codec_list)); if (bus->workq) flush_workqueue(bus->workq); if (bus->unsol) kfree(bus->unsol); - list_for_each_entry_safe(codec, n, &bus->codec_list, list) { - snd_hda_codec_free(codec); - } if (bus->ops.private_free) bus->ops.private_free(bus); if (bus->workq) destroy_workqueue(bus->workq); kfree(bus); - return 0; } static int snd_hda_bus_dev_free(struct snd_device *device) { + snd_hda_bus_free(device->device_data); + return 0; +} + +static int snd_hda_bus_dev_disconnect(struct snd_device *device) +{ struct hda_bus *bus = device->device_data; bus->shutdown = 1; - return snd_hda_bus_free(bus); + return 0; } /** @@ -867,6 +867,7 @@ int snd_hda_bus_new(struct snd_card *card, struct hda_bus *bus; int err; static struct snd_device_ops dev_ops = { + .dev_disconnect = snd_hda_bus_dev_disconnect, .dev_free = snd_hda_bus_dev_free, }; @@ -1376,6 +1377,12 @@ static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec, static unsigned int hda_set_power_state(struct hda_codec *codec, unsigned int power_state); +static int snd_hda_codec_dev_free(struct snd_device *device) +{ + snd_hda_codec_free(device->device_data); + return 0; +} + /** * snd_hda_codec_new - create a HDA codec * @bus: the bus to assign @@ -1392,6 +1399,9 @@ int snd_hda_codec_new(struct hda_bus *bus, char component[31]; hda_nid_t fg; int err; + static struct snd_device_ops dev_ops = { + .dev_free = snd_hda_codec_dev_free, + }; if (snd_BUG_ON(!bus)) return -EINVAL; @@ -1512,6 +1522,10 @@ int snd_hda_codec_new(struct hda_bus *bus, codec->subsystem_id, codec->revision_id); snd_component_add(codec->bus->card, component); + err = snd_device_new(bus->card, SNDRV_DEV_CODEC, codec, &dev_ops); + if (err < 0) + goto error; + if (codecp) *codecp = codec; return 0; -- 1.9.0