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Commit 6b4f250e authored by Vatsal Bucha's avatar Vatsal Bucha Committed by Gerrit - the friendly Code Review server
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ASoC: wcd937x: Fix headset record pop during SSR 



Pop is heard with special headset with silence record
during SSR. Resolve pop by allowing sufficient time for
wcd937x_reset post SSR and again initialize registers
post SSR.

Change-Id: I80e70a98a72b247dca878673a30651647b676659
Signed-off-by: default avatarVatsal Bucha <vbucha@codeaurora.org>
parent d155d7f5

asoc/codecs/wcd937x/wcd937x.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -1596,14 +1596,13 @@ static int wcd937x_event_notify(struct notifier_block *block, 
		break;

		break;

	case BOLERO_WCD_EVT_SSR_UP:

	case BOLERO_WCD_EVT_SSR_UP:

		wcd937x_reset(wcd937x->dev);

		wcd937x_reset(wcd937x->dev);

		/* allow reset to take effect */

		usleep_range(10000, 10010);

		wcd937x_get_logical_addr(wcd937x->tx_swr_dev);

		wcd937x_get_logical_addr(wcd937x->tx_swr_dev);

		wcd937x_get_logical_addr(wcd937x->rx_swr_dev);

		wcd937x_get_logical_addr(wcd937x->rx_swr_dev);

		wcd937x_init_reg(component);

		regcache_mark_dirty(wcd937x->regmap);

		regcache_mark_dirty(wcd937x->regmap);

		regcache_sync(wcd937x->regmap);

		regcache_sync(wcd937x->regmap);

		/* Enable surge protection */

		snd_soc_component_update_bits(component,

				WCD937X_HPH_SURGE_HPHLR_SURGE_EN,

				0xFF, 0xD9);

		/* Initialize MBHC module */

		/* Initialize MBHC module */

		mbhc = &wcd937x->mbhc->wcd_mbhc;

		mbhc = &wcd937x->mbhc->wcd_mbhc;

		ret = wcd937x_mbhc_post_ssr_init(wcd937x->mbhc, component);

		ret = wcd937x_mbhc_post_ssr_init(wcd937x->mbhc, component);