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From: Curtis Malainey <cujomalainey@chromium.org>
To: alsa-devel@alsa-project.org
Cc: Oder Chiou <oder_chiou@realtek.com>,
	Takashi Iwai <tiwai@suse.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Ben Zhang <benzh@chromium.org>, Mark Brown <broonie@kernel.org>,
	Bard Liao <bardliao@realtek.com>,
	Curtis Malainey <cujomalainey@chromium.org>
Subject: [alsa-devel] [RFC 10/15] ASoC: rt5677: Mark reg RT5677_PWR_ANLG2 as volatile
Date: Fri,  6 Sep 2019 12:46:32 -0700	[thread overview]
Message-ID: <20190906194636.217881-11-cujomalainey@chromium.org> (raw)
In-Reply-To: <20190906194636.217881-1-cujomalainey@chromium.org>

From: Ben Zhang <benzh@chromium.org>

The codec dies when RT5677_PWR_ANLG2(MX-64h) is set to 0xACE1
while it's streaming audio over SPI. The DSP firmware turns
on PLL2 (MX-64 bit 8) when SPI streaming starts.  However regmap
does not believe that register can change by itself. When
BST1 (bit 15) is turned on with regmap_update_bits(), it doesn't
read the register first before write, so PLL2 power bit is
cleared by accident.

Marking MX-64h as volatile in regmap solved the issue.

Signed-off-by: Ben Zhang <benzh@chromium.org>
Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
---
 sound/soc/codecs/rt5677.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 3db26cb242d2..f07d10a8b045 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -302,6 +302,7 @@ static bool rt5677_volatile_register(struct device *dev, unsigned int reg)
 	case RT5677_I2C_MASTER_CTRL7:
 	case RT5677_I2C_MASTER_CTRL8:
 	case RT5677_HAP_GENE_CTRL2:
+	case RT5677_PWR_ANLG2: /* Modified by DSP firmware */
 	case RT5677_PWR_DSP_ST:
 	case RT5677_PRIV_DATA:
 	case RT5677_ASRC_22:
-- 
2.23.0.187.g17f5b7556c-goog

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  parent reply	other threads:[~2019-09-06 19:55 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-06 19:46 [alsa-devel] [RFC 00/15] Add Samus Hotwording for RT5677 Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 01/15] ASoC: rt5677: Remove magic number register writes Curtis Malainey
2019-09-09 10:07   ` [alsa-devel] Applied "ASoC: rt5677: Remove magic number register writes" to the asoc tree Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 02/15] ASoC: rt5677: keep analog power register at SND_SOC_BIAS_OFF Curtis Malainey
2019-09-09  9:54   ` Mark Brown
2019-09-09 15:50     ` Curtis Malainey
2019-09-09 12:23   ` [alsa-devel] Applied "ASoC: rt5677: keep analog power register at SND_SOC_BIAS_OFF" to the asoc tree Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 03/15] ASoC: rt5677: Add a PCM device for streaming hotword via SPI Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 04/15] ASoC: rt5677: Load firmware " Curtis Malainey
2019-09-11 10:24   ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 05/15] ASoC: rt5677: Auto enable/disable DSP for hotwording Curtis Malainey
2019-09-11 10:25   ` Mark Brown
2019-09-11 20:22     ` Curtis Malainey
2019-09-12  9:26       ` Mark Brown
2019-09-16 21:29         ` Curtis Malainey
2019-09-16 21:55           ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 06/15] ASoC: bdw-rt5677: Add a DAI link for rt5677 SPI PCM device Curtis Malainey
2019-09-09  0:18   ` Kuninori Morimoto
2019-09-09 16:53     ` Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 07/15] ASoC: rt5677: Enable jack detect while DSP is running Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 08/15] ASoC: rt5677: Use delayed work for DSP firmware load Curtis Malainey
2019-09-11 10:28   ` Mark Brown
2019-09-06 19:46 ` [alsa-devel] [RFC 09/15] ASoC: rt5677: Add DAPM audio path for hotword stream Curtis Malainey
2019-09-06 19:46 ` Curtis Malainey [this message]
2019-09-06 19:46 ` [alsa-devel] [RFC 11/15] ASoC: rt5677: Stop and restart DSP over suspend/resume Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 12/15] ASoC: rt5677: Transfer one period at a time over SPI Curtis Malainey
2019-09-11 10:54   ` Mark Brown
2019-09-11 18:09     ` Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 13/15] ASoC: rt5677: Disable irq at suspend Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 14/15] ASoC: rt5677: Allow VAD to be shut on/off at all times Curtis Malainey
2019-09-06 19:46 ` [alsa-devel] [RFC 15/15] ASoC: rt5677: Turn on MCLK1 for DSP via DAPM Curtis Malainey
2019-09-06 20:40 ` [alsa-devel] [RFC 00/15] Add Samus Hotwording for RT5677 Pierre-Louis Bossart
2019-09-06 21:09   ` Curtis Malainey
2019-09-06 22:13     ` Pierre-Louis Bossart
2019-09-09 16:52       ` Curtis Malainey

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