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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Stephane Le Provost <stephane.leprovost@mediatek.com>,
        Andreas Dannenberg <dannenberg@ti.com>,
        "Andrew F. Davis" <afd@ti.com>, Mark Brown <broonie@kernel.org>
Subject: [PATCH 4.19 120/139] ASoC: pcm186x: Fix device reset-registers trigger value
Date:   Tue,  4 Dec 2018 11:50:01 +0100
Message-Id: <20181204103655.603936088@linuxfoundation.org>
In-Reply-To: <20181204103649.950154335@linuxfoundation.org>
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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andreas Dannenberg <dannenberg@ti.com>

commit 5277715639ff6f75c729e657690751a831112c4b upstream.

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@mediatek.com>
Tested-by: Stephane Le Provost <stephane.leprovost@mediatek.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/pcm186x.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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)