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Commit 08ca8466 authored by Dhanalakshmi Siddani's avatar Dhanalakshmi Siddani
Browse files

asoc: apq8009: Add mixer control to set afe loopback channels 



Add new mixer control to set afe loopback tx channels.

CRs-Fixed: 2353062
Change-Id: I21b1b121ca9cdd801853a6dde29a1e0c3593b583
Signed-off-by: default avatarDhanalakshmi Siddani <dsiddani@codeaurora.org>
parent 7a7e91b4

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,

	},