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Commit 65ecb9b9 authored Jan 05, 2017 by Karthikeyan Mani

ASoC: wcd9xxx: Add new impedence table for Tavil



Add a new impedence table for low impendence
loads during headphone playback on WCD934x
audio codec.

CRs-fixed: 1112251
Change-Id: I8fd7b06882d08590b688cf07ac0fb331b65c7fb5
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>

parent 7aa1be41

sound/soc/codecs/wcd9xxx-common-v2.c

+97 −7

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
		* Copyright (c) 2015-2017, 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
		@@ -130,6 +130,81 @@ static const struct wcd_reg_mask_val imped_table[][MAX_IMPED_PARAMS] = {
		},
		};

		static const struct wcd_reg_mask_val imped_table_tavil[][MAX_IMPED_PARAMS] = {
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xf2},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xf2},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xf2},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xf2},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xf4},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xf4},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xf4},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xf4},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xf7},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xf7},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x01},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xf7},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xf7},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x01},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xf9},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xf9},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xf9},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xf9},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xfa},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xfa},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xfa},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xfa},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xfb},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xfb},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xfb},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xfb},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xfc},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xfc},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xfc},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xfc},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x00},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x00},
		},
		{
		{WCD9XXX_CDC_RX1_RX_VOL_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX1_RX_VOL_MIX_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX1_RX_PATH_SEC1, 0x01, 0x01},
		{WCD9XXX_CDC_RX2_RX_VOL_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX2_RX_VOL_MIX_CTL, 0xff, 0xfd},
		{WCD9XXX_CDC_RX2_RX_PATH_SEC1, 0x01, 0x01},
		},
		};

		static const struct wcd_imped_val imped_index[] = {
		{4, 0},
		{5, 1},
		@@ -185,12 +260,26 @@ void wcd_clsh_imped_config(struct snd_soc_codec *codec, int imped, bool reset)
		{
		int i;
		int index = 0;
		int table_size;

		static const struct wcd_reg_mask_val
		(*imped_table_ptr)[MAX_IMPED_PARAMS];
		struct wcd9xxx *wcd9xxx = dev_get_drvdata(codec->dev->parent);

		if (IS_CODEC_TYPE(wcd9xxx, WCD934X)) {
		table_size = ARRAY_SIZE(imped_table_tavil);
		imped_table_ptr = imped_table_tavil;
		} else {
		table_size = ARRAY_SIZE(imped_table);
		imped_table_ptr = imped_table;
		}

		/* reset = 1, which means request is to reset the register values */
		if (reset) {
		for (i = 0; i < MAX_IMPED_PARAMS; i++)
		snd_soc_update_bits(codec, imped_table[index][i].reg,
		imped_table[index][i].mask, 0);
		snd_soc_update_bits(codec,
		imped_table_ptr[index][i].reg,
		imped_table_ptr[index][i].mask, 0);
		return;
		}
		index = get_impedance_index(imped);
		@@ -198,15 +287,16 @@ void wcd_clsh_imped_config(struct snd_soc_codec *codec, int imped, bool reset)
		pr_debug("%s, impedance not in range = %d\n", __func__, imped);
		return;
		}
		if (index >= ARRAY_SIZE(imped_table)) {
		if (index >= table_size) {
		pr_debug("%s, impedance index not in range = %d\n", __func__,
		index);
		return;
		}
		for (i = 0; i < MAX_IMPED_PARAMS; i++)
		snd_soc_update_bits(codec, imped_table[index][i].reg,
		imped_table[index][i].mask,
		imped_table[index][i].val);
		snd_soc_update_bits(codec,
		imped_table_ptr[index][i].reg,
		imped_table_ptr[index][i].mask,
		imped_table_ptr[index][i].val);
		}
		EXPORT_SYMBOL(wcd_clsh_imped_config);