linux-kernel - [PATCH] ASoC: pcm186x: Fix device reset-registers trigger value

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Date:   Thu, 15 Nov 2018 11:01:31 -0600
From:   Andreas Dannenberg <dannenberg@...com>
To:     Mark Brown <broonie@...nel.org>
CC:     Andreas Dannenberg <dannenberg@...com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        Stephane Le Provost <stephane.leprovost@...iatek.com>,
        Andrew F Davis <afd@...com>
Subject: [PATCH] ASoC: pcm186x: Fix device reset-registers trigger value

According to the current device datasheet (TI Lit # SLAS831D, revised
March 2018) the value written to the device's PAGE register to trigger
a complete register reset should be 0xfe, not 0xff. So go ahead and
update to the correct value.

Reported-by: Stephane Le Provost <stephane.leprovost@...iatek.com>
Tested-by: Stephane Le Provost <stephane.leprovost@...iatek.com>
Signed-off-by: Andreas Dannenberg <dannenberg@...com>
---
 sound/soc/codecs/pcm186x.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/pcm186x.h b/sound/soc/codecs/pcm186x.h
index 2c6ba55bf394..bb3f0c42a1cd 100644
--- a/sound/soc/codecs/pcm186x.h
+++ b/sound/soc/codecs/pcm186x.h
@@ -139,7 +139,7 @@ enum pcm186x_type {
 #define PCM186X_MAX_REGISTER		PCM186X_CURR_TRIM_CTRL
 
 /* PCM186X_PAGE */
-#define PCM186X_RESET			0xff
+#define PCM186X_RESET			0xfe
 
 /* PCM186X_ADCX_INPUT_SEL_X */
 #define PCM186X_ADC_INPUT_SEL_POL	BIT(7)
-- 
2.15.1