Merge "asoc: apq8009: Add mixer control to set afe loopback channels" (fbaa8685) · Commits · e / devices / android_kernel_fairphone_FP3

asoc/apq8009-i2s-ext-codec.c

+43 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2014-2019, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -161,6 +161,7 @@ static int msm_btsco_rate = BTSCO_RATE_8KHZ;
		static int msm_btsco_ch = 1;

		static int msm_mi2s_tx_ch = 2;
		static int msm_afe_lb_tx_ch = 2;
		static int msm_pri_mi2s_rx_ch = 2;
		static int pri_rx_sample_rate = SAMPLING_RATE_48KHZ;
		static int pri_tx_sample_rate = SAMPLING_RATE_48KHZ;
		@@ -358,6 +359,7 @@ static const char *const mi2s_tx_ch_text[] = {"One", "Two", "Three", "Four"};
		static char const *pri_rx_sample_rate_text[] = {"KHZ_48", "KHZ_96",
		"KHZ_192", "KHZ_8",
		"KHZ_16", "KHZ_32"};
		static const char *const afe_lb_tx_ch_text[] = {"One", "Two"};

		static int msm_pri_tdm_rx_0_ch_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		@@ -773,6 +775,21 @@ static int msm_tx_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
		return 0;
		}

		static int msm_afe_lb_tx_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
		struct snd_pcm_hw_params *params)
		{
		struct snd_interval *rate = hw_param_interval(params,
		SNDRV_PCM_HW_PARAM_RATE);
		struct snd_interval *channels = hw_param_interval(params,
		SNDRV_PCM_HW_PARAM_CHANNELS);

		pr_debug("%s(), channel: %d\n", __func__, msm_afe_lb_tx_ch);
		rate->min = rate->max = 48000;
		channels->min = channels->max = msm_afe_lb_tx_ch;

		return 0;
		}

		static int msm_tdm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
		struct snd_pcm_hw_params *params)
		{
		@@ -1068,6 +1085,25 @@ static int msm_mi2s_tx_ch_put(struct snd_kcontrol *kcontrol,
		return 1;
		}

		static int msm_afe_loopback_tx_ch_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		pr_debug("%s: msm_afe_lb_tx_ch = %d\n", __func__,
		msm_afe_lb_tx_ch);
		ucontrol->value.integer.value[0] = msm_afe_lb_tx_ch - 1;
		return 0;
		}

		static int msm_afe_loopback_tx_ch_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		msm_afe_lb_tx_ch = ucontrol->value.integer.value[0] + 1;

		pr_debug("%s: msm_afe_lb_tx_ch = %d\n", __func__,
		msm_afe_lb_tx_ch);
		return 1;
		}

		static int msm_mi2s_snd_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
		{
		@@ -1253,6 +1289,8 @@ static const struct soc_enum msm_snd_enum[] = {
		tdm_bit_format_text),
		SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(tdm_sample_rate_text),
		tdm_sample_rate_text),
		SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(afe_lb_tx_ch_text),
		afe_lb_tx_ch_text),
		};

		static const char *const btsco_rate_text[] = {"BTSCO_RATE_8KHZ",
		@@ -1290,6 +1328,9 @@ static const struct snd_kcontrol_new msm_snd_controls[] = {
		SOC_ENUM_EXT("PRI_TDM_TX_0 SampleRate", msm_snd_enum[5],
		msm_pri_tdm_tx_0_sample_rate_get,
		msm_pri_tdm_tx_0_sample_rate_put),
		SOC_ENUM_EXT("AFE_LOOPBACK_TX Channels", msm_snd_enum[6],
		msm_afe_loopback_tx_ch_get,
		msm_afe_loopback_tx_ch_put),
		};

		static int apq8009_mclk_event(struct snd_soc_dapm_widget *w,
		@@ -1724,6 +1765,7 @@ static struct snd_soc_dai_link msm_afe_rxtx_lb_be_dai_link[] = {
		.no_pcm = 1,
		.dpcm_capture = 1,
		.id = MSM_BACKEND_DAI_AFE_LOOPBACK_TX,
		.be_hw_params_fixup = msm_afe_lb_tx_hw_params_fixup,
		.ignore_pmdown_time = 1,
		.ignore_suspend = 1,
		},