From: Simon Trimmer <simont@opensource.wolfsonmicro.com>
Date: Wed, 22 Jun 2016 14:31:03 +0000 (+0100)
Subject: ASoC: wm_adsp: Disable DMAs before clearing the transfer length
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6facd2d10f828d14dd7a38153cd7814d92a47397;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ASoC: wm_adsp: Disable DMAs before clearing the transfer length

This patch reorders the clearing of the DMA masks to avoid potential
artefacts being introduced.

Signed-off-by: Simon Trimmer <simont@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 7e42474d7ae4..f6eb2e5b2c07 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2366,13 +2366,15 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
 		dsp->running = false;
 
 		regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
-				   ADSP2_SYS_ENA | ADSP2_CORE_ENA |
-				   ADSP2_START, 0);
+				   ADSP2_CORE_ENA | ADSP2_START, 0);
 
 		/* Make sure DMAs are quiesced */
+		regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
 		regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
 		regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
-		regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
+
+		regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
+				   ADSP2_SYS_ENA, 0);
 
 		list_for_each_entry(ctl, &dsp->ctl_list, list)
 			ctl->enabled = 0;