Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB2BCC433F5 for ; Mon, 6 Dec 2021 15:56:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1387739AbhLFP70 (ORCPT ); Mon, 6 Dec 2021 10:59:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1390254AbhLFPmQ (ORCPT ); Mon, 6 Dec 2021 10:42:16 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48F38C09CE5A; Mon, 6 Dec 2021 07:26:05 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C9A8961309; Mon, 6 Dec 2021 15:26:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ADE98C34901; Mon, 6 Dec 2021 15:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1638804364; bh=gtyRb6grQfcrfcwGRygAlcKnBkYXk8ypZC/KFOCV830=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RlnbIxHoewnH3Id4IiQilvpfUcFxZlFx2FuzzeTj61lmc/5URoMZMImgCfnZb1F0b /cD7KRURaf7mWTNxrslfxoUjcTRDRoEM2ZZz5cWB/y52Nb3P6UUgcquzV81ISm3ElJ 2okVZ0I+VdTOWOtJKS94S0njusxza8OOtn3Dh1F0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jaroslav Kysela , Mark Brown , Sameer Pujar , Takashi Iwai Subject: [PATCH 5.15 120/207] ASoC: tegra: Fix kcontrol put callback in I2S Date: Mon, 6 Dec 2021 15:56:14 +0100 Message-Id: <20211206145614.396284507@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211206145610.172203682@linuxfoundation.org> References: <20211206145610.172203682@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sameer Pujar commit f21a9df3f7cb0005947679d7b9237c90574e229a upstream. The kcontrol put callback is expected to return 1 when there is change in HW or when the update is acknowledged by driver. This would ensure that change notifications are sent to subscribed applications. Update the I2S driver accordingly. Fixes: c0bfa98349d1 ("ASoC: tegra: Add Tegra210 based I2S driver") Suggested-by: Jaroslav Kysela Suggested-by: Mark Brown Signed-off-by: Sameer Pujar Reviewed-by: Takashi Iwai Link: https://lore.kernel.org/r/1637219231-406-9-git-send-email-spujar@nvidia.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/tegra/tegra210_i2s.c | 322 ++++++++++++++++++++++++++++++----------- 1 file changed, 236 insertions(+), 86 deletions(-) --- a/sound/soc/tegra/tegra210_i2s.c +++ b/sound/soc/tegra/tegra210_i2s.c @@ -302,91 +302,235 @@ static int tegra210_i2s_set_tdm_slot(str return 0; } -static int tegra210_i2s_set_dai_bclk_ratio(struct snd_soc_dai *dai, - unsigned int ratio) +static int tegra210_i2s_get_loopback(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct tegra210_i2s *i2s = snd_soc_dai_get_drvdata(dai); + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); - i2s->bclk_ratio = ratio; + ucontrol->value.integer.value[0] = i2s->loopback; return 0; } -static int tegra210_i2s_get_control(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +static int tegra210_i2s_put_loopback(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + int value = ucontrol->value.integer.value[0]; - if (strstr(kcontrol->id.name, "Loopback")) - ucontrol->value.integer.value[0] = i2s->loopback; - else if (strstr(kcontrol->id.name, "FSYNC Width")) - ucontrol->value.integer.value[0] = i2s->fsync_width; - else if (strstr(kcontrol->id.name, "Capture Stereo To Mono")) - ucontrol->value.enumerated.item[0] = - i2s->stereo_to_mono[I2S_TX_PATH]; - else if (strstr(kcontrol->id.name, "Capture Mono To Stereo")) - ucontrol->value.enumerated.item[0] = - i2s->mono_to_stereo[I2S_TX_PATH]; - else if (strstr(kcontrol->id.name, "Playback Stereo To Mono")) - ucontrol->value.enumerated.item[0] = - i2s->stereo_to_mono[I2S_RX_PATH]; - else if (strstr(kcontrol->id.name, "Playback Mono To Stereo")) - ucontrol->value.enumerated.item[0] = - i2s->mono_to_stereo[I2S_RX_PATH]; - else if (strstr(kcontrol->id.name, "Playback FIFO Threshold")) - ucontrol->value.integer.value[0] = i2s->rx_fifo_th; - else if (strstr(kcontrol->id.name, "BCLK Ratio")) - ucontrol->value.integer.value[0] = i2s->bclk_ratio; - - return 0; -} - -static int tegra210_i2s_put_control(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); - struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); - - if (strstr(kcontrol->id.name, "Loopback")) { - i2s->loopback = ucontrol->value.integer.value[0]; - - regmap_update_bits(i2s->regmap, TEGRA210_I2S_CTRL, - I2S_CTRL_LPBK_MASK, - i2s->loopback << I2S_CTRL_LPBK_SHIFT); - - } else if (strstr(kcontrol->id.name, "FSYNC Width")) { - /* - * Frame sync width is used only for FSYNC modes and not - * applicable for LRCK modes. Reset value for this field is "0", - * which means the width is one bit clock wide. - * The width requirement may depend on the codec and in such - * cases mixer control is used to update custom values. A value - * of "N" here means, width is "N + 1" bit clock wide. - */ - i2s->fsync_width = ucontrol->value.integer.value[0]; - - regmap_update_bits(i2s->regmap, TEGRA210_I2S_CTRL, - I2S_CTRL_FSYNC_WIDTH_MASK, - i2s->fsync_width << I2S_FSYNC_WIDTH_SHIFT); - - } else if (strstr(kcontrol->id.name, "Capture Stereo To Mono")) { - i2s->stereo_to_mono[I2S_TX_PATH] = - ucontrol->value.enumerated.item[0]; - } else if (strstr(kcontrol->id.name, "Capture Mono To Stereo")) { - i2s->mono_to_stereo[I2S_TX_PATH] = - ucontrol->value.enumerated.item[0]; - } else if (strstr(kcontrol->id.name, "Playback Stereo To Mono")) { - i2s->stereo_to_mono[I2S_RX_PATH] = - ucontrol->value.enumerated.item[0]; - } else if (strstr(kcontrol->id.name, "Playback Mono To Stereo")) { - i2s->mono_to_stereo[I2S_RX_PATH] = - ucontrol->value.enumerated.item[0]; - } else if (strstr(kcontrol->id.name, "Playback FIFO Threshold")) { - i2s->rx_fifo_th = ucontrol->value.integer.value[0]; - } else if (strstr(kcontrol->id.name, "BCLK Ratio")) { - i2s->bclk_ratio = ucontrol->value.integer.value[0]; - } + if (value == i2s->loopback) + return 0; + + i2s->loopback = value; + + regmap_update_bits(i2s->regmap, TEGRA210_I2S_CTRL, I2S_CTRL_LPBK_MASK, + i2s->loopback << I2S_CTRL_LPBK_SHIFT); + + return 1; +} + +static int tegra210_i2s_get_fsync_width(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.integer.value[0] = i2s->fsync_width; + + return 0; +} + +static int tegra210_i2s_put_fsync_width(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + int value = ucontrol->value.integer.value[0]; + + if (value == i2s->fsync_width) + return 0; + + i2s->fsync_width = value; + + /* + * Frame sync width is used only for FSYNC modes and not + * applicable for LRCK modes. Reset value for this field is "0", + * which means the width is one bit clock wide. + * The width requirement may depend on the codec and in such + * cases mixer control is used to update custom values. A value + * of "N" here means, width is "N + 1" bit clock wide. + */ + regmap_update_bits(i2s->regmap, TEGRA210_I2S_CTRL, + I2S_CTRL_FSYNC_WIDTH_MASK, + i2s->fsync_width << I2S_FSYNC_WIDTH_SHIFT); + + return 1; +} + +static int tegra210_i2s_cget_stereo_to_mono(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.enumerated.item[0] = i2s->stereo_to_mono[I2S_TX_PATH]; + + return 0; +} + +static int tegra210_i2s_cput_stereo_to_mono(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + unsigned int value = ucontrol->value.enumerated.item[0]; + + if (value == i2s->stereo_to_mono[I2S_TX_PATH]) + return 0; + + i2s->stereo_to_mono[I2S_TX_PATH] = value; + + return 1; +} + +static int tegra210_i2s_cget_mono_to_stereo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.enumerated.item[0] = i2s->mono_to_stereo[I2S_TX_PATH]; + + return 0; +} + +static int tegra210_i2s_cput_mono_to_stereo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + unsigned int value = ucontrol->value.enumerated.item[0]; + + if (value == i2s->mono_to_stereo[I2S_TX_PATH]) + return 0; + + i2s->mono_to_stereo[I2S_TX_PATH] = value; + + return 1; +} + +static int tegra210_i2s_pget_stereo_to_mono(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.enumerated.item[0] = i2s->stereo_to_mono[I2S_RX_PATH]; + + return 0; +} + +static int tegra210_i2s_pput_stereo_to_mono(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + unsigned int value = ucontrol->value.enumerated.item[0]; + + if (value == i2s->stereo_to_mono[I2S_RX_PATH]) + return 0; + + i2s->stereo_to_mono[I2S_RX_PATH] = value; + + return 1; +} + +static int tegra210_i2s_pget_mono_to_stereo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.enumerated.item[0] = i2s->mono_to_stereo[I2S_RX_PATH]; + + return 0; +} + +static int tegra210_i2s_pput_mono_to_stereo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + unsigned int value = ucontrol->value.enumerated.item[0]; + + if (value == i2s->mono_to_stereo[I2S_RX_PATH]) + return 0; + + i2s->mono_to_stereo[I2S_RX_PATH] = value; + + return 1; +} + +static int tegra210_i2s_pget_fifo_th(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.integer.value[0] = i2s->rx_fifo_th; + + return 0; +} + +static int tegra210_i2s_pput_fifo_th(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + int value = ucontrol->value.integer.value[0]; + + if (value == i2s->rx_fifo_th) + return 0; + + i2s->rx_fifo_th = value; + + return 1; +} + +static int tegra210_i2s_get_bclk_ratio(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + + ucontrol->value.integer.value[0] = i2s->bclk_ratio; + + return 0; +} + +static int tegra210_i2s_put_bclk_ratio(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol); + struct tegra210_i2s *i2s = snd_soc_component_get_drvdata(compnt); + int value = ucontrol->value.integer.value[0]; + + if (value == i2s->bclk_ratio) + return 0; + + i2s->bclk_ratio = value; + + return 1; +} + +static int tegra210_i2s_set_dai_bclk_ratio(struct snd_soc_dai *dai, + unsigned int ratio) +{ + struct tegra210_i2s *i2s = snd_soc_dai_get_drvdata(dai); + + i2s->bclk_ratio = ratio; return 0; } @@ -604,22 +748,28 @@ static const struct soc_enum tegra210_i2 tegra210_i2s_stereo_conv_text); static const struct snd_kcontrol_new tegra210_i2s_controls[] = { - SOC_SINGLE_EXT("Loopback", 0, 0, 1, 0, tegra210_i2s_get_control, - tegra210_i2s_put_control), - SOC_SINGLE_EXT("FSYNC Width", 0, 0, 255, 0, tegra210_i2s_get_control, - tegra210_i2s_put_control), + SOC_SINGLE_EXT("Loopback", 0, 0, 1, 0, tegra210_i2s_get_loopback, + tegra210_i2s_put_loopback), + SOC_SINGLE_EXT("FSYNC Width", 0, 0, 255, 0, + tegra210_i2s_get_fsync_width, + tegra210_i2s_put_fsync_width), SOC_ENUM_EXT("Capture Stereo To Mono", tegra210_i2s_stereo_conv_enum, - tegra210_i2s_get_control, tegra210_i2s_put_control), + tegra210_i2s_cget_stereo_to_mono, + tegra210_i2s_cput_stereo_to_mono), SOC_ENUM_EXT("Capture Mono To Stereo", tegra210_i2s_mono_conv_enum, - tegra210_i2s_get_control, tegra210_i2s_put_control), + tegra210_i2s_cget_mono_to_stereo, + tegra210_i2s_cput_mono_to_stereo), SOC_ENUM_EXT("Playback Stereo To Mono", tegra210_i2s_stereo_conv_enum, - tegra210_i2s_get_control, tegra210_i2s_put_control), + tegra210_i2s_pget_mono_to_stereo, + tegra210_i2s_pput_mono_to_stereo), SOC_ENUM_EXT("Playback Mono To Stereo", tegra210_i2s_mono_conv_enum, - tegra210_i2s_get_control, tegra210_i2s_put_control), + tegra210_i2s_pget_stereo_to_mono, + tegra210_i2s_pput_stereo_to_mono), SOC_SINGLE_EXT("Playback FIFO Threshold", 0, 0, I2S_RX_FIFO_DEPTH - 1, - 0, tegra210_i2s_get_control, tegra210_i2s_put_control), - SOC_SINGLE_EXT("BCLK Ratio", 0, 0, INT_MAX, 0, tegra210_i2s_get_control, - tegra210_i2s_put_control), + 0, tegra210_i2s_pget_fifo_th, tegra210_i2s_pput_fifo_th), + SOC_SINGLE_EXT("BCLK Ratio", 0, 0, INT_MAX, 0, + tegra210_i2s_get_bclk_ratio, + tegra210_i2s_put_bclk_ratio), }; static const struct snd_soc_dapm_widget tegra210_i2s_widgets[] = {