From mboxrd@z Thu Jan 1 00:00:00 1970 From: Inha Song Subject: [alsa-devel][PATCH 1/2] mfd: arizona: Add support for OUTn_MONO register control Date: Mon, 08 Dec 2014 18:20:21 +0900 Message-ID: <1418030422-27061-2-git-send-email-ideal.song@samsung.com> References: <1418030422-27061-1-git-send-email-ideal.song@samsung.com> Return-path: In-reply-to: <1418030422-27061-1-git-send-email-ideal.song@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: lee.jones@linaro.org, broonie@kernel.org Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, sameo@linux.intel.com, ckeepax@opensource.wolonmicro.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Inha Song List-Id: devicetree@vger.kernel.org Some boards need to set the OUTn_MONO register to configurates the output signal path as a mono differential output. This wlf,out-mono property is optional. If present, values must be specified less than or equal to the number of output signals. If values less than the number of output signals, elements that has not been specified are set to 0 by default. Example: - wlf,out-mono = <1 0 1>; /* set OUT1,OUT3 to mono differential */ Signed-off-by: Inha Song --- drivers/mfd/arizona-core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index bce7c07..117be32 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -561,6 +561,16 @@ static int arizona_of_get_core_pdata(struct arizona *arizona) count++; } + count = 0; + of_property_for_each_u32(arizona->dev->of_node, "wlf,out-mono", prop, + cur, val) { + if (count == ARRAY_SIZE(arizona->pdata.out_mono)) + break; + + arizona->pdata.out_mono[count] = !!val; + count++; + } + return 0; } -- 2.0.0.390.gcb682f8