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Date: Mon, 17 Feb 2020 22:04:07 +0000 From: Mark Brown <broonie@...nel.org> To: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@....com> Cc: Alexander.Deucher@....com, alsa-devel@...a-project.org, broonie@...nel.org, Dan Carpenter <dan.carpenter@...cle.com>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." <alsa-devel@...a-project.org>, open list <linux-kernel@...r.kernel.org>, Takashi Iwai <tiwai@...e.com> Subject: Applied "ASoC: amd: ACP needs to be powered off in BIOS." to the asoc tree The patch ASoC: amd: ACP needs to be powered off in BIOS. has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From 3bc7b6c15fffdf3f818df31198c8c040ad8f7ea9 Mon Sep 17 00:00:00 2001 From: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@....com> Date: Mon, 17 Feb 2020 16:09:19 +0530 Subject: [PATCH] ASoC: amd: ACP needs to be powered off in BIOS. Removed this logic because It is BIOS which needs to power off the ACP power domian through ACP_PGFSM_CTRL register when you De-initialize ACP Engine. Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@....com> Link: https://lore.kernel.org/r/1581935964-15059-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com Signed-off-by: Mark Brown <broonie@...nel.org> --- sound/soc/amd/raven/pci-acp3x.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c index 65330bb50e74..da60e2ec5535 100644 --- a/sound/soc/amd/raven/pci-acp3x.c +++ b/sound/soc/amd/raven/pci-acp3x.c @@ -45,23 +45,6 @@ static int acp3x_power_on(void __iomem *acp3x_base) return -ETIMEDOUT; } -static int acp3x_power_off(void __iomem *acp3x_base) -{ - u32 val; - int timeout; - - rv_writel(ACP_PGFSM_CNTL_POWER_OFF_MASK, - acp3x_base + mmACP_PGFSM_CONTROL); - timeout = 0; - while (++timeout < 500) { - val = rv_readl(acp3x_base + mmACP_PGFSM_STATUS); - if ((val & ACP_PGFSM_STATUS_MASK) == ACP_POWERED_OFF) - return 0; - udelay(1); - } - return -ETIMEDOUT; -} - static int acp3x_reset(void __iomem *acp3x_base) { u32 val; @@ -115,12 +98,6 @@ static int acp3x_deinit(void __iomem *acp3x_base) pr_err("ACP3x reset failed\n"); return ret; } - /* power off */ - ret = acp3x_power_off(acp3x_base); - if (ret) { - pr_err("ACP3x power off failed\n"); - return ret; - } return 0; } -- 2.20.1
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