Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752105AbdHFVhv (ORCPT ); Sun, 6 Aug 2017 17:37:51 -0400 Received: from smtp02.smtpout.orange.fr ([80.12.242.124]:44194 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751828AbdHFVge (ORCPT ); Sun, 6 Aug 2017 17:36:34 -0400 X-ME-Helo: belgarion.home X-ME-Date: Sun, 06 Aug 2017 23:36:32 +0200 X-ME-IP: 90.55.206.157 From: Robert Jarzmik To: Dmitry Torokhov , Lee Jones , Jaroslav Kysela , Takashi Iwai , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Liam Girdwood , Mark Brown , Lars-Peter Clausen , Charles Keepax Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, patches@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 09/12] ASoC: wm9712: add ac97 new bus support Date: Sun, 6 Aug 2017 23:36:10 +0200 Message-Id: <20170806213613.5600-10-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170806213613.5600-1-robert.jarzmik@free.fr> References: <20170806213613.5600-1-robert.jarzmik@free.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3638 Lines: 120 Add support for the new ac97 bus model, where devices are automatically discovered on AC-Links. Signed-off-by: Robert Jarzmik --- Since v4: - added #ifdef spotted by Charles --- sound/soc/codecs/Kconfig | 3 ++- sound/soc/codecs/wm9712.c | 39 ++++++++++++++++++++++++++------------- 2 files changed, 28 insertions(+), 14 deletions(-) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index aebf148d7e4d..f17af3592785 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -206,7 +206,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_WM9081 if I2C select SND_SOC_WM9090 if I2C select SND_SOC_WM9705 if SND_SOC_AC97_BUS - select SND_SOC_WM9712 if SND_SOC_AC97_BUS + select SND_SOC_WM9712 if (SND_SOC_AC97_BUS || SND_SOC_AC97_BUS_NEW) select SND_SOC_WM9713 if (SND_SOC_AC97_BUS || SND_SOC_AC97_BUS_NEW) help Normally ASoC codec drivers are only built if a machine driver which @@ -1087,6 +1087,7 @@ config SND_SOC_WM9705 config SND_SOC_WM9712 tristate select REGMAP_AC97 + select AC97_BUS_COMPAT if AC97_BUS_NEW config SND_SOC_WM9713 tristate diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c index 1a3e1797994a..7ebbb48b18c5 100644 --- a/sound/soc/codecs/wm9712.c +++ b/sound/soc/codecs/wm9712.c @@ -12,6 +12,7 @@ #include #include +#include #include #include #include @@ -19,6 +20,8 @@ #include #include #include +#include +#include #include #include #include @@ -30,6 +33,7 @@ struct wm9712_priv { struct snd_ac97 *ac97; unsigned int hp_mixer[2]; struct mutex lock; + struct wm97xx_platform_data *mfd_pdata; }; static const struct reg_default wm9712_reg_defaults[] = { @@ -636,18 +640,25 @@ static int wm9712_soc_probe(struct snd_soc_codec *codec) struct regmap *regmap; int ret; - wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID, - WM9712_VENDOR_ID_MASK); - if (IS_ERR(wm9712->ac97)) { - ret = PTR_ERR(wm9712->ac97); - dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret); - return ret; - } - - regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config); - if (IS_ERR(regmap)) { - ret = PTR_ERR(regmap); - goto err_free_ac97_codec; + if (wm9712->mfd_pdata) { + wm9712->ac97 = wm9712->mfd_pdata->ac97; + regmap = wm9712->mfd_pdata->regmap; + } else { +#ifdef CONFIG_SND_SOC_AC97_BUS + wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID, + WM9712_VENDOR_ID_MASK); + if (IS_ERR(wm9712->ac97)) { + ret = PTR_ERR(wm9712->ac97); + dev_err(codec->dev, + "Failed to register AC97 codec: %d\n", ret); + return ret; + } + + regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config); + if (IS_ERR(regmap)) { + ret = PTR_ERR(regmap); + goto err_free_ac97_codec; +#endif } snd_soc_codec_init_regmap(codec, regmap); @@ -666,7 +677,8 @@ static int wm9712_soc_remove(struct snd_soc_codec *codec) struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); snd_soc_codec_exit_regmap(codec); - snd_soc_free_ac97_codec(wm9712->ac97); + if (!wm9712->mfd_pdata) + snd_soc_free_ac97_codec(wm9712->ac97); return 0; } @@ -697,6 +709,7 @@ static int wm9712_probe(struct platform_device *pdev) mutex_init(&wm9712->lock); + wm9712->mfd_pdata = dev_get_platdata(&pdev->dev); platform_set_drvdata(pdev, wm9712); return snd_soc_register_codec(&pdev->dev, -- 2.11.0