linux-kernel - [alsa-devel] [PATCH 1/2] mfd: arizona: Add support for INn

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Date:	Sat, 09 Aug 2014 17:31:38 +0900
From:	Inha Song <ideal.song@...sung.com>
To:	broonie@...nel.org
Cc:	alsa-devel@...a-project.org, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org, lee.jones@...aro.org,
	ckeepax@...nsource.wolfsonmicro.com, lgirdwood@...il.com,
	sameo@...ux.intel.com, devicetree@...r.kernel.org,
	galak@...eaurora.org, ijc+devicetree@...lion.org.uk,
	mark.rutland@....com, pawel.moll@....com, robh+dt@...nel.org,
	cw00.choi@...sung.com
Subject: [alsa-devel] [PATCH 1/2] mfd: arizona: Add support for INn_MODE
 register control

Some boards need to set the INn_MODE[1:0] register to change
the input signal patch. This wlf,inmode property is optional.
If present values must be specified by the number of
ARIZONA_MAX_INPUT.

Example:
   - wlf,inmode = <2 0 2 0>;	/* IN1, IN3 use DMIC */

Signed-off-by: Inha Song <ideal.song@...sung.com>
---
 drivers/mfd/arizona-core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 10a0cb9..4b2eb73 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -560,6 +560,10 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
 			ret);
 	}
 
+	of_property_read_u32_array(arizona->dev->of_node,
+					 "wlf,inmode",
+					 arizona->pdata.inmode,
+					 ARRAY_SIZE(arizona->pdata.inmode));
 	return 0;
 }
 
-- 
2.0.0.390.gcb682f8
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