From patchwork Wed Jul 9 09:27:23 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 4512701 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1A1439F26C for ; Wed, 9 Jul 2014 09:28:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 386452035C for ; Wed, 9 Jul 2014 09:28:04 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id E53972034F for ; Wed, 9 Jul 2014 09:28:02 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 68527264F28; Wed, 9 Jul 2014 11:28:01 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 1CE562625ED; Wed, 9 Jul 2014 11:27:52 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id DDC2D2625FE; Wed, 9 Jul 2014 11:27:50 +0200 (CEST) Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.17.24]) by alsa0.perex.cz (Postfix) with ESMTP id D79E12625CF for ; Wed, 9 Jul 2014 11:27:42 +0200 (CEST) Received: from wuerfel.lan. (HSI-KBW-134-3-133-35.hsi14.kabel-badenwuerttemberg.de [134.3.133.35]) by mrelayeu.kundenserver.de (node=mreue102) with ESMTP (Nemesis) id 0LbrjI-1WLt6b4AVQ-00jFFF; Wed, 09 Jul 2014 11:27:38 +0200 From: Arnd Bergmann To: alsa-devel@alsa-project.org Date: Wed, 9 Jul 2014 11:27:23 +0200 Message-Id: <1404898043-1160870-1-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.8.3.2 X-Provags-ID: V02:K0:I21yJgbckGAv3b3UrPzfZzJypOz5O9kCTZR+m6wEyig vfMkWDeP0v61GLbI3PIIFOCYX85y0OXfdJj/yHNd8olxU1aiRg uZxbfjuf8Gdef6pdC+aD4auTJBamszsk3eOV2Me+lQDkB/eX4B kWeNTiyj0+W5tQ0TM/Vhf3ZiKXp+GqODGugF/HtsaRwqql71lL EdmUtQl2A+Tgraol4fz3DDD00zO6xyDtyZ4d6yytoSxARk9kmi tPEvplSK5b+sF4AOXqj+L9O3Mo1p6fAynNblEWGvLNO2OB00ac mP4IeZq1655lg50RS/RsTxZe4I+UKJ9iFpD2e4jRzF0Woy3n5y xsj26PsxFHu5cXscg0ldbUMW924E4fYy9wnzzTEmj Cc: Kukjin Kim , Arnd Bergmann , t.figa@samsung.com, Maurus Cuelenaere , lgirdwood@gmail.com, broonie@kernel.org, linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH] ASoC: s3c64xx/smartq: use dynamic registration X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP As a prerequisite for moving s3c64xx into multiplatform configurations, we need to change the smartq audio driver to stop using hardcoded gpio numbers from the header file, and instead pass the gpio data through platform_data. In order to do that, we also move the code to use module_platform_driver and register the platform device using platform_device_register_data. Signed-off-by: Arnd Bergmann Cc: Maurus Cuelenaere Cc: Kukjin Kim --- arch/arm/mach-s3c64xx/mach-smartq.c | 10 +++++ sound/soc/samsung/smartq_wm8987.c | 73 ++++++++++++++----------------------- 2 files changed, 37 insertions(+), 46 deletions(-) diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index b3d1353..4c111f6 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -379,6 +380,11 @@ void __init smartq_map_io(void) smartq_lcd_mode_set(); } +static const __initconst struct smartq_audio_pdata smartq_audio_pdata = { + .gpio_jack = S3C64XX_GPL(12), + .gpio_amp = S3C64XX_GPK(12), +}; + void __init smartq_machine_init(void) { s3c_i2c0_set_platdata(NULL); @@ -397,4 +403,8 @@ void __init smartq_machine_init(void) WARN_ON(smartq_wifi_init()); platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); + + platform_device_register_data(NULL, "smartq-audio", -1, + &smartq_audio_pdata, + sizeof (smartq_audio_pdata)); } diff --git a/sound/soc/samsung/smartq_wm8987.c b/sound/soc/samsung/smartq_wm8987.c index 9b0ffac..8c4a0a2 100644 --- a/sound/soc/samsung/smartq_wm8987.c +++ b/sound/soc/samsung/smartq_wm8987.c @@ -19,8 +19,7 @@ #include #include -#include -#include +#include #include "i2s.h" #include "../codecs/wm8750.h" @@ -110,7 +109,7 @@ static struct snd_soc_jack_pin smartq_jack_pins[] = { static struct snd_soc_jack_gpio smartq_jack_gpios[] = { { - .gpio = S3C64XX_GPL(12), + .gpio = -1, .name = "headphone detect", .report = SND_JACK_HEADPHONE, .debounce_time = 200, @@ -127,7 +126,10 @@ static int smartq_speaker_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value(S3C64XX_GPK(12), SND_SOC_DAPM_EVENT_OFF(event)); + struct smartq_audio_pdata *pdata; + pdata = snd_soc_smartq.dev->platform_data; + + gpio_set_value(pdata->gpio_amp, SND_SOC_DAPM_EVENT_OFF(event)); return 0; } @@ -218,62 +220,41 @@ static struct snd_soc_card snd_soc_smartq = { .num_controls = ARRAY_SIZE(wm8987_smartq_controls), }; -static struct platform_device *smartq_snd_device; - -static int __init smartq_init(void) +static int smartq_probe(struct platform_device *pdev) { + struct smartq_audio_pdata *pdata = pdev->dev.platform_data; int ret; - if (!machine_is_smartq7() && !machine_is_smartq5()) { - pr_info("Only SmartQ is supported by this ASoC driver\n"); - return -ENODEV; - } - - smartq_snd_device = platform_device_alloc("soc-audio", -1); - if (!smartq_snd_device) - return -ENOMEM; - - platform_set_drvdata(smartq_snd_device, &snd_soc_smartq); - - ret = platform_device_add(smartq_snd_device); - if (ret) { - platform_device_put(smartq_snd_device); - return ret; - } + platform_set_drvdata(pdev, &snd_soc_smartq); /* Initialise GPIOs used by amplifiers */ - ret = gpio_request(S3C64XX_GPK(12), "amplifiers shutdown"); + ret = devm_gpio_request_one(&pdev->dev, pdata->gpio_amp, + GPIOF_DIR_OUT | GPIOF_INIT_HIGH, + "amplifiers shutdown"); if (ret) { - dev_err(&smartq_snd_device->dev, "Failed to register GPK12\n"); - goto err_unregister_device; + dev_err(&pdev->dev, "Failed to register GPK12\n"); + goto out; } - /* Disable amplifiers */ - ret = gpio_direction_output(S3C64XX_GPK(12), 1); - if (ret) { - dev_err(&smartq_snd_device->dev, "Failed to configure GPK12\n"); - goto err_free_gpio_amp_shut; - } + smartq_jack_gpios[0].gpio = pdata->gpio_jack; - return 0; - -err_free_gpio_amp_shut: - gpio_free(S3C64XX_GPK(12)); -err_unregister_device: - platform_device_unregister(smartq_snd_device); + ret = devm_snd_soc_register_card(&pdev->dev, &snd_soc_smartq); + if (ret) + dev_err(&pdev->dev, "Failed to register card\n"); +out: return ret; } -static void __exit smartq_exit(void) -{ - gpio_free(S3C64XX_GPK(12)); - - platform_device_unregister(smartq_snd_device); -} +static struct platform_driver smartq_driver = { + .driver = { + .name = "smartq-audio", + .owner = THIS_MODULE, + }, + .probe = smartq_probe, +}; -module_init(smartq_init); -module_exit(smartq_exit); +module_platform_driver(smartq_driver); /* Module information */ MODULE_AUTHOR("Maurus Cuelenaere ");