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Commit b1d38768 authored by Shiv Maliyappanahalli's avatar Shiv Maliyappanahalli Committed by Gerrit - the friendly Code Review server
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ASoC: msmcobalt: add channel configuration for proxy port 



Add channel configuration support and hardware params
configuration for proxy audio back end so that clients
can configure channel dynamically.

Change-Id: I1200aecb864c460f8096774ced62f37a023e378e
Signed-off-by: default avatarShiv Maliyappanahalli <smaliyap@codeaurora.org>
parent 400520a6

sound/soc/msm/msmcobalt.c

+38 −2
Original line number Diff line number Diff line
@@ -157,6 +157,12 @@ static struct dev_config hdmi_rx_cfg = { 
	.channels = 2,

};



static struct dev_config proxy_rx_cfg = {

	.sample_rate = SAMPLING_RATE_48KHZ,

	.bit_format = SNDRV_PCM_FORMAT_S16_LE,

	.channels = 2,

};



static int msm_vi_feed_tx_ch = 2;

static const char *const slim_rx_ch_text[] = {"One", "Two"};

static const char *const slim_tx_ch_text[] = {"One", "Two", "Three", "Four",
@@ -169,7 +175,7 @@ static char const *slim_sample_rate_text[] = {"KHZ_8", "KHZ_16", 
					"KHZ_96", "KHZ_192"};

static char const *bt_sco_sample_rate_text[] = {"KHZ_8", "KHZ_16"};

static const char *const usb_ch_text[] = {"One", "Two"};

static char const *hdmi_rx_ch_text[] = {"Two", "Three", "Four", "Five",

static char const *ch_text[] = {"Two", "Three", "Four", "Five",

					"Six", "Seven", "Eight"};

static char const *usb_sample_rate_text[] = {"KHZ_8", "KHZ_11P025",

					"KHZ_16", "KHZ_22P05",
@@ -186,7 +192,8 @@ static SOC_ENUM_SINGLE_EXT_DECL(slim_6_rx_chs, slim_rx_ch_text); 
static SOC_ENUM_SINGLE_EXT_DECL(usb_rx_chs, usb_ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(usb_tx_chs, usb_ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(vi_feed_tx_chs, vi_feed_ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(hdmi_rx_chs, hdmi_rx_ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(hdmi_rx_chs, ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(proxy_rx_chs, ch_text);

static SOC_ENUM_SINGLE_EXT_DECL(slim_0_rx_format, bit_format_text);

static SOC_ENUM_SINGLE_EXT_DECL(slim_5_rx_format, bit_format_text);

static SOC_ENUM_SINGLE_EXT_DECL(slim_6_rx_format, bit_format_text);
@@ -1045,6 +1052,26 @@ static int hdmi_rx_sample_rate_put(struct snd_kcontrol *kcontrol, 
	return 0;

}



static int proxy_rx_ch_get(struct snd_kcontrol *kcontrol,

			       struct snd_ctl_elem_value *ucontrol)

{

	pr_debug("%s: proxy_rx channels = %d\n",

		 __func__, proxy_rx_cfg.channels);

	ucontrol->value.integer.value[0] = proxy_rx_cfg.channels - 1;



	return 0;

}



static int proxy_rx_ch_put(struct snd_kcontrol *kcontrol,

			       struct snd_ctl_elem_value *ucontrol)

{

	proxy_rx_cfg.channels = ucontrol->value.integer.value[0] + 1;

	pr_debug("%s: proxy_rx channels = %d\n",

		 __func__, proxy_rx_cfg.channels);



	return 1;

}



static const struct snd_kcontrol_new msm_snd_controls[] = {

	SOC_ENUM_EXT("SLIM_0_RX Channels", slim_0_rx_chs,

			msm_slim_rx_ch_get, msm_slim_rx_ch_put),
@@ -1064,6 +1091,8 @@ static const struct snd_kcontrol_new msm_snd_controls[] = { 
			usb_audio_tx_ch_get, usb_audio_tx_ch_put),

	SOC_ENUM_EXT("HDMI_RX Channels", hdmi_rx_chs,

			hdmi_rx_ch_get, hdmi_rx_ch_put),

	SOC_ENUM_EXT("PROXY_RX Channels", proxy_rx_chs,

			proxy_rx_ch_get, proxy_rx_ch_put),

	SOC_ENUM_EXT("SLIM_0_RX Format", slim_0_rx_format,

			slim_rx_bit_format_get, slim_rx_bit_format_put),

	SOC_ENUM_EXT("SLIM_5_RX Format", slim_5_rx_format,
@@ -1294,6 +1323,13 @@ static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, 
		channels->min = channels->max = hdmi_rx_cfg.channels;

		break;



	case MSM_BACKEND_DAI_AFE_PCM_RX:

		if (channels->max < 2)

			channels->min = channels->max = 2;

		channels->min = channels->max = proxy_rx_cfg.channels;

		rate->min = rate->max = SAMPLING_RATE_48KHZ;

		break;



	default:

		rate->min = rate->max = SAMPLING_RATE_48KHZ;

		break;