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Commit 470d6502 authored by Venkata Narendra Kumar Gutta's avatar Venkata Narendra Kumar Gutta Committed by Gerrit - the friendly Code Review server
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ASoC: msm8x16-wcd: Add support for 192KHZ sampling rate 



Add 192KHz sampling rate support for mono/stereo playback with
16/24 bits for internal codec. Configure codec based on the DAI
sample rate.

CRs-Fixed: 970169
Change-Id: I04888bcd1e6711190f16ab4d65d084c9a302c9e9
Signed-off-by: default avatarVenkata Narendra Kumar Gutta <vgutta@codeaurora.org>
parent 676c9bc2

sound/soc/codecs/msm8x16-wcd.c

+19 −6
Original line number Diff line number Diff line
@@ -4385,6 +4385,10 @@ static int msm8x16_wcd_get_channel_map(struct snd_soc_dai *dai, 
static int msm8x16_wcd_set_interpolator_rate(struct snd_soc_dai *dai,

	u8 rx_fs_rate_reg_val, u32 sample_rate)

{

	snd_soc_update_bits(dai->codec,

			MSM8X16_WCD_A_CDC_RX1_B5_CTL, 0xF0, rx_fs_rate_reg_val);

	snd_soc_update_bits(dai->codec,

			MSM8X16_WCD_A_CDC_RX2_B5_CTL, 0xF0, rx_fs_rate_reg_val);

	return 0;

}
@@ -4398,7 +4402,7 @@ static int msm8x16_wcd_hw_params(struct snd_pcm_substream *substream, 
			    struct snd_pcm_hw_params *params,

			    struct snd_soc_dai *dai)

{

	u8 tx_fs_rate, rx_fs_rate;

	u8 tx_fs_rate, rx_fs_rate, rx_clk_fs_rate;

	int ret;



	dev_dbg(dai->codec->dev,
@@ -4410,26 +4414,32 @@ static int msm8x16_wcd_hw_params(struct snd_pcm_substream *substream, 
	case 8000:

		tx_fs_rate = 0x00;

		rx_fs_rate = 0x00;

		rx_clk_fs_rate = 0x00;

		break;

	case 16000:

		tx_fs_rate = 0x01;

		tx_fs_rate = 0x20;

		rx_fs_rate = 0x20;

		rx_clk_fs_rate = 0x01;

		break;

	case 32000:

		tx_fs_rate = 0x02;

		tx_fs_rate = 0x40;

		rx_fs_rate = 0x40;

		rx_clk_fs_rate = 0x02;

		break;

	case 48000:

		tx_fs_rate = 0x03;

		tx_fs_rate = 0x60;

		rx_fs_rate = 0x60;

		rx_clk_fs_rate = 0x03;

		break;

	case 96000:

		tx_fs_rate = 0x04;

		tx_fs_rate = 0x80;

		rx_fs_rate = 0x80;

		rx_clk_fs_rate = 0x04;

		break;

	case 192000:

		tx_fs_rate = 0x05;

		tx_fs_rate = 0xA0;

		rx_fs_rate = 0xA0;

		rx_clk_fs_rate = 0x05;

		break;

	default:

		dev_err(dai->codec->dev,
@@ -4438,6 +4448,9 @@ static int msm8x16_wcd_hw_params(struct snd_pcm_substream *substream, 
		return -EINVAL;

	}



	snd_soc_update_bits(dai->codec,

			MSM8X16_WCD_A_CDC_CLK_RX_I2S_CTL, 0x0F, rx_clk_fs_rate);



	switch (substream->stream) {

	case SNDRV_PCM_STREAM_CAPTURE:

		ret = msm8x16_wcd_set_decimator_rate(dai, tx_fs_rate,