From 35e7ec72bb8c437e4287f0b940e06a4e3e24c9fa Mon Sep 17 00:00:00 2001 From: Mangesh Kunchamwar Date: Fri, 18 Jan 2019 15:12:30 +0530 Subject: [PATCH] asoc: qcs405: enable lineout booster GPIO Activate lineout booster GPIO during starting lineout usecase and disable during shuttingdown the lineout usecase in qcs405. Change-Id: I83877e6a531efc4b571d9868f1b019af5d9b1b82 Signed-off-by: Mangesh Kunchamwar --- asoc/qcs405.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/asoc/qcs405.c b/asoc/qcs405.c index 6e4596fdad7e..4d60c6e98238 100644 --- a/asoc/qcs405.c +++ b/asoc/qcs405.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* Copyright (c) 2018, The Linux Foundation. All rights reserved. +/* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */ #include #include @@ -179,6 +179,7 @@ struct msm_asoc_mach_data { struct device_node *dmic_23_gpio_p; /* used by pinctrl API */ struct device_node *dmic_45_gpio_p; /* used by pinctrl API */ struct device_node *dmic_67_gpio_p; /* used by pinctrl API */ + struct device_node *lineout_booster_gpio_p; /* used by pinctrl API */ struct device_node *mi2s_gpio_p[MI2S_MAX]; /* used by pinctrl API */ int dmic_01_gpio_cnt; int dmic_23_gpio_cnt; @@ -3838,6 +3839,30 @@ static int msm_mclk_event(struct snd_soc_dapm_widget *w, return 0; } +static int msm_lineout_booster_ctrl_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct snd_soc_card *card = component->card; + struct msm_asoc_mach_data *pdata = + snd_soc_card_get_drvdata(card); + + pr_debug("%s: event = %d\n", __func__, event); + switch (event) { + case SND_SOC_DAPM_POST_PMU: + msm_cdc_pinctrl_select_active_state( + pdata->lineout_booster_gpio_p); + break; + case SND_SOC_DAPM_PRE_PMD: + msm_cdc_pinctrl_select_sleep_state( + pdata->lineout_booster_gpio_p); + break; + } + + return 0; +} + static const struct snd_soc_dapm_widget msm_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("MCLK", SND_SOC_NOPM, 0, 0, @@ -3847,6 +3872,7 @@ static const struct snd_soc_dapm_widget msm_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("MCLK TX", SND_SOC_NOPM, 0, 0, msm_mclk_tx_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_SPK("lineout booster", msm_lineout_booster_ctrl_event), SND_SOC_DAPM_MIC("Analog Mic3", NULL), SND_SOC_DAPM_MIC("Analog Mic4", NULL), @@ -5047,7 +5073,6 @@ err: return ret; } - static int msm_snd_cdc_dma_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -8603,6 +8628,8 @@ static int msm_asoc_machine_probe(struct platform_device *pdev) "qcom,cdc-dmic45-gpios", 0); pdata->dmic_67_gpio_p = of_parse_phandle(pdev->dev.of_node, "qcom,cdc-dmic67-gpios", 0); + pdata->lineout_booster_gpio_p = of_parse_phandle(pdev->dev.of_node, + "qcom,lineout-booster-gpio", 0); pdata->mi2s_gpio_p[PRIM_MI2S] = of_parse_phandle(pdev->dev.of_node, "qcom,pri-mi2s-gpios", 0);