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404209f6c4
kernel: bump to 4.14.193, 4.19.138, 5.4.59 (#5350) 431fb8c mac80211: add AQL improvements 6bdd4c9 mac80211: add missing backports for building with 4.14 kernels 0106820 mac80211: add missing return code checks in AQL improvements e7f7101 mac80211: rework encapsulation offload support [package] base-files: add function for generating random MAC dnsmasq: abort dhcp_check on interface state boot: sync upstream source code ath10k-ct-firmware/mt76/sch_cake: update to latest git HEAD [script] download: add China Mirror Station [target] Sync: arc770, ath79, bcm63xx, kirkwood, lantiq, layerscape, mediatek, mvebu, octeon, oxnas, pistachio, uml Sync most of the target patches. Run-compiled-on: ipq40xx (4.19 & 5.4), ramips
37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
From 136762e82a9c4974c15b0525245092d11a825cee Mon Sep 17 00:00:00 2001
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From: Shengjiu Wang <shengjiu.wang@freescale.com>
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Date: Wed, 12 Jul 2017 18:00:58 +0800
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Subject: [PATCH] MLK-15960-2: ASoC: fsl_sai: refine the pm runtime function
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In imx8qm/imx8qxp, the power domain of IP is enabled when
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pm_runtime_get_sync() is called, and disabled when pm_runtime
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_put_sync() is called. when power domain is disabled, the value
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of registers will lost, so we need to use the regcache_sync()
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to restore the registers in fsl_sai_runtime_resume.
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Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
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---
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sound/soc/fsl/fsl_sai.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/sound/soc/fsl/fsl_sai.c
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+++ b/sound/soc/fsl/fsl_sai.c
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@@ -1094,6 +1094,8 @@ static int fsl_sai_probe(struct platform
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pm_runtime_enable(&pdev->dev);
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+ regcache_cache_only(sai->regmap, true);
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+
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ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component,
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&fsl_sai_dai, 1);
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if (ret)
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@@ -1137,6 +1139,8 @@ static int fsl_sai_runtime_suspend(struc
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{
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struct fsl_sai *sai = dev_get_drvdata(dev);
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+ regcache_cache_only(sai->regmap, true);
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+
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if (sai->mclk_streams & BIT(SNDRV_PCM_STREAM_CAPTURE))
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clk_disable_unprepare(sai->mclk_clk[sai->mclk_id[0]]);
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