From patchwork Mon Jul 1 13:42:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikolaus Voss X-Patchwork-Id: 11026037 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 71500138D for ; Mon, 1 Jul 2019 13:43:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 627D7286D4 for ; Mon, 1 Jul 2019 13:43:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 56FB628736; Mon, 1 Jul 2019 13:43:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE5A2286D4 for ; Mon, 1 Jul 2019 13:43:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729166AbfGANnO (ORCPT ); Mon, 1 Jul 2019 09:43:14 -0400 Received: from mail.steuer-voss.de ([85.183.69.95]:52992 "EHLO mail.steuer-voss.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729148AbfGANnL (ORCPT ); Mon, 1 Jul 2019 09:43:11 -0400 X-Virus-Scanned: Debian amavisd-new at mail.steuer-voss.de X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" Received: from pc-niv.weinmann.com (localhost [127.0.0.1]) by mail.steuer-voss.de (Postfix) with ESMTP id 3C21B4D0ED; Mon, 1 Jul 2019 15:43:08 +0200 (CEST) From: Nikolaus Voss To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Andreas Dannenberg , "Andrew F. Davis" , Kate Stewart Cc: Nikolaus Voss , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, nv@vosn.de Subject: [PATCH v2 1/2] ASoC: tas5720.c: cleanup variant management Date: Mon, 1 Jul 2019 15:42:51 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: <20190628143037.GH5379@sirena.org.uk> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace enum tas572x_type with struct tas5720_variant which aggregates variant specific stuff and can be directly referenced from an id table. Signed-off-by: Nikolaus Voss --- sound/soc/codecs/tas5720.c | 98 +++++++++++++------------------------- 1 file changed, 33 insertions(+), 65 deletions(-) diff --git a/sound/soc/codecs/tas5720.c b/sound/soc/codecs/tas5720.c index 37fab8f22800..b2e897f094b4 100644 --- a/sound/soc/codecs/tas5720.c +++ b/sound/soc/codecs/tas5720.c @@ -28,9 +28,10 @@ /* Define how often to check (and clear) the fault status register (in ms) */ #define TAS5720_FAULT_CHECK_INTERVAL 200 -enum tas572x_type { - TAS5720, - TAS5722, +struct tas5720_variant { + const int device_id; + const struct regmap_config *reg_config; + const struct snd_soc_component_driver *comp_drv; }; static const char * const tas5720_supply_names[] = { @@ -44,7 +45,7 @@ struct tas5720_data { struct snd_soc_component *component; struct regmap *regmap; struct i2c_client *tas5720_client; - enum tas572x_type devtype; + const struct tas5720_variant *variant; struct regulator_bulk_data supplies[TAS5720_NUM_SUPPLIES]; struct delayed_work fault_check_work; unsigned int last_fault; @@ -179,17 +180,13 @@ static int tas5720_set_dai_tdm_slot(struct snd_soc_dai *dai, goto error_snd_soc_component_update_bits; /* Configure TDM slot width. This is only applicable to TAS5722. */ - switch (tas5720->devtype) { - case TAS5722: + if (tas5720->variant->device_id == TAS5722_DEVICE_ID) { ret = snd_soc_component_update_bits(component, TAS5722_DIGITAL_CTRL2_REG, TAS5722_TDM_SLOT_16B, slot_width == 16 ? TAS5722_TDM_SLOT_16B : 0); if (ret < 0) goto error_snd_soc_component_update_bits; - break; - default: - break; } return 0; @@ -277,7 +274,7 @@ static void tas5720_fault_check_work(struct work_struct *work) static int tas5720_codec_probe(struct snd_soc_component *component) { struct tas5720_data *tas5720 = snd_soc_component_get_drvdata(component); - unsigned int device_id, expected_device_id; + unsigned int device_id; int ret; tas5720->component = component; @@ -301,21 +298,9 @@ static int tas5720_codec_probe(struct snd_soc_component *component) goto probe_fail; } - switch (tas5720->devtype) { - case TAS5720: - expected_device_id = TAS5720_DEVICE_ID; - break; - case TAS5722: - expected_device_id = TAS5722_DEVICE_ID; - break; - default: - dev_err(component->dev, "unexpected private driver data\n"); - return -EINVAL; - } - - if (device_id != expected_device_id) + if (device_id != tas5720->variant->device_id) dev_warn(component->dev, "wrong device ID. expected: %u read: %u\n", - expected_device_id, device_id); + tas5720->variant->device_id, device_id); /* Set device to mute */ ret = snd_soc_component_update_bits(component, TAS5720_DIGITAL_CTRL2_REG, @@ -637,7 +622,6 @@ static int tas5720_probe(struct i2c_client *client, { struct device *dev = &client->dev; struct tas5720_data *data; - const struct regmap_config *regmap_config; int ret; int i; @@ -646,20 +630,10 @@ static int tas5720_probe(struct i2c_client *client, return -ENOMEM; data->tas5720_client = client; - data->devtype = id->driver_data; - switch (id->driver_data) { - case TAS5720: - regmap_config = &tas5720_regmap_config; - break; - case TAS5722: - regmap_config = &tas5722_regmap_config; - break; - default: - dev_err(dev, "unexpected private driver data\n"); - return -EINVAL; - } - data->regmap = devm_regmap_init_i2c(client, regmap_config); + data->variant = (const struct tas5720_variant *)id->driver_data; + + data->regmap = devm_regmap_init_i2c(client, data->variant->reg_config); if (IS_ERR(data->regmap)) { ret = PTR_ERR(data->regmap); dev_err(dev, "failed to allocate register map: %d\n", ret); @@ -678,42 +652,36 @@ static int tas5720_probe(struct i2c_client *client, dev_set_drvdata(dev, data); - switch (id->driver_data) { - case TAS5720: - ret = devm_snd_soc_register_component(&client->dev, - &soc_component_dev_tas5720, - tas5720_dai, - ARRAY_SIZE(tas5720_dai)); - break; - case TAS5722: - ret = devm_snd_soc_register_component(&client->dev, - &soc_component_dev_tas5722, - tas5720_dai, - ARRAY_SIZE(tas5720_dai)); - break; - default: - dev_err(dev, "unexpected private driver data\n"); - return -EINVAL; - } - if (ret < 0) { - dev_err(dev, "failed to register component: %d\n", ret); - return ret; - } - - return 0; + ret = devm_snd_soc_register_component(&client->dev, + data->variant->comp_drv, + tas5720_dai, + ARRAY_SIZE(tas5720_dai)); + return ret; } +static const struct tas5720_variant tas5720 = { + .device_id = TAS5720_DEVICE_ID, + .reg_config = &tas5720_regmap_config, + .comp_drv = &soc_component_dev_tas5720, +}; + +static const struct tas5720_variant tas5722 = { + .device_id = TAS5722_DEVICE_ID, + .reg_config = &tas5722_regmap_config, + .comp_drv = &soc_component_dev_tas5722, +}; + static const struct i2c_device_id tas5720_id[] = { - { "tas5720", TAS5720 }, - { "tas5722", TAS5722 }, + { "tas5720", (kernel_ulong_t)&tas5720 }, + { "tas5722", (kernel_ulong_t)&tas5722 }, { } }; MODULE_DEVICE_TABLE(i2c, tas5720_id); #if IS_ENABLED(CONFIG_OF) static const struct of_device_id tas5720_of_match[] = { - { .compatible = "ti,tas5720", }, - { .compatible = "ti,tas5722", }, + { .compatible = "ti,tas5720", .data = &tas5720, }, + { .compatible = "ti,tas5722", .data = &tas5722, }, { }, }; MODULE_DEVICE_TABLE(of, tas5720_of_match);