Merge "ASoC: wsa881x: Fix regcache sync issue during playback" (505d8968) · Commits · e / devices / android_kernel_xiaomi_nabu

asoc/codecs/wsa881x.c

+31 −11

Original line number	Diff line number	Diff line
		@@ -77,6 +77,7 @@ struct swr_port {
		enum {
		WSA881X_DEV_DOWN,
		WSA881X_DEV_UP,
		WSA881X_DEV_READY,
		};

		/*
		@@ -100,6 +101,7 @@ struct wsa881x_priv {
		int version;
		struct mutex bg_lock;
		struct mutex res_lock;
		struct mutex temp_lock;
		struct snd_info_entry *entry;
		struct snd_info_entry *version_entry;
		int state;
		@@ -492,6 +494,17 @@ static const struct file_operations codec_debug_ops = {
		.read = codec_debug_read,
		};

		static void wsa881x_regcache_sync(struct wsa881x_priv *wsa881x)
		{
		mutex_lock(&wsa881x->res_lock);
		if (wsa881x->state != WSA881X_DEV_READY) {
		regcache_mark_dirty(wsa881x->regmap);
		regcache_sync(wsa881x->regmap);
		wsa881x->state = WSA881X_DEV_READY;
		}
		mutex_unlock(&wsa881x->res_lock);
		}

		static const struct reg_sequence wsa881x_pre_pmu_pa[] = {
		{WSA881X_SPKR_DRV_GAIN, 0x41, 0},
		{WSA881X_SPKR_MISC_CTL1, 0x01, 0},
		@@ -870,7 +883,9 @@ static int wsa881x_rdac_event(struct snd_soc_dapm_widget *w,

		switch (event) {
		case SND_SOC_DAPM_PRE_PMU:
		mutex_lock(&wsa881x->temp_lock);
		wsa881x_resource_acquire(codec, ENABLE);
		mutex_unlock(&wsa881x->temp_lock);
		wsa881x_boost_ctrl(codec, ENABLE);
		break;
		case SND_SOC_DAPM_POST_PMD:
		@@ -878,7 +893,9 @@ static int wsa881x_rdac_event(struct snd_soc_dapm_widget *w,
		wsa881x->swr_slave->dev_num,
		false);
		wsa881x_boost_ctrl(codec, DISABLE);
		mutex_lock(&wsa881x->temp_lock);
		wsa881x_resource_acquire(codec, DISABLE);
		mutex_unlock(&wsa881x->temp_lock);
		break;
		}
		return 0;
		@@ -1126,13 +1143,8 @@ static int32_t wsa881x_temp_reg_read(struct snd_soc_codec *codec,
		return -EINVAL;
		}
		}
		mutex_lock(&wsa881x->res_lock);
		if (!wsa881x->clk_cnt) {
		regcache_mark_dirty(wsa881x->regmap);
		regcache_sync(wsa881x->regmap);
		}
		mutex_unlock(&wsa881x->res_lock);

		wsa881x_regcache_sync(wsa881x);
		mutex_lock(&wsa881x->temp_lock);
		wsa881x_resource_acquire(codec, ENABLE);

		snd_soc_update_bits(codec, WSA881X_TADC_VALUE_CTL, 0x01, 0x00);
		@@ -1145,6 +1157,7 @@ static int32_t wsa881x_temp_reg_read(struct snd_soc_codec *codec,
		wsa_temp_reg->d2_lsb = snd_soc_read(codec, WSA881X_OTP_REG_4);

		wsa881x_resource_acquire(codec, DISABLE);
		mutex_unlock(&wsa881x->temp_lock);

		return 0;
		}
		@@ -1160,7 +1173,6 @@ static int wsa881x_probe(struct snd_soc_codec *codec)
		dev = wsa881x->swr_slave;
		wsa881x->codec = codec;
		mutex_init(&wsa881x->bg_lock);
		mutex_init(&wsa881x->res_lock);
		wsa881x_init(codec);
		snprintf(wsa881x->tz_pdata.name, sizeof(wsa881x->tz_pdata.name),
		"%s.%x", "wsatz", (u8)dev->addr);
		@@ -1182,7 +1194,6 @@ static int wsa881x_remove(struct snd_soc_codec *codec)
		if (wsa881x->tz_pdata.tz_dev)
		wsa881x_deinit_thermal(wsa881x->tz_pdata.tz_dev);
		mutex_destroy(&wsa881x->bg_lock);
		mutex_destroy(&wsa881x->res_lock);

		return 0;
		}
		@@ -1365,6 +1376,8 @@ static int wsa881x_swr_probe(struct swr_device *pdev)
		__func__);
		goto dev_err;
		}
		mutex_init(&wsa881x->res_lock);
		mutex_init(&wsa881x->temp_lock);

		return 0;

		@@ -1387,6 +1400,8 @@ static int wsa881x_swr_remove(struct swr_device *pdev)
		}
		debugfs_remove_recursive(debugfs_wsa881x_dent);
		debugfs_wsa881x_dent = NULL;
		mutex_destroy(&wsa881x->res_lock);
		mutex_destroy(&wsa881x->temp_lock);
		snd_soc_unregister_codec(&pdev->dev);
		if (wsa881x->pd_gpio)
		gpio_free(wsa881x->pd_gpio);
		@@ -1445,6 +1460,11 @@ static int wsa881x_swr_reset(struct swr_device *pdev)
		dev_err(&pdev->dev, "%s: wsa881x is NULL\n", __func__);
		return -EINVAL;
		}
		if (wsa881x->state == WSA881X_DEV_READY) {
		dev_dbg(&pdev->dev, "%s: device already active\n", __func__);
		return 0;
		}

		wsa881x->bg_cnt = 0;
		wsa881x->clk_cnt = 0;
		while (swr_get_logical_dev_num(pdev, pdev->addr, &devnum) && retry--) {
		@@ -1452,8 +1472,8 @@ static int wsa881x_swr_reset(struct swr_device *pdev)
		usleep_range(1000, 1100);
		}
		pdev->dev_num = devnum;
		regcache_mark_dirty(wsa881x->regmap);
		regcache_sync(wsa881x->regmap);
		wsa881x_regcache_sync(wsa881x);

		return 0;
		}