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[73.241.2.21]) by smtp.googlemail.com with ESMTPSA id v126sm6915578pfb.60.2016.07.06.16.00.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 06 Jul 2016 16:00:55 -0700 (PDT) From: Steve Longerbeam X-Google-Original-From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam Subject: [PATCH 06/11] media: adv7180: add bt.656-4 OF property Date: Wed, 6 Jul 2016 15:59:59 -0700 Message-Id: <1467846004-12731-7-git-send-email-steve_longerbeam@mentor.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1467846004-12731-1-git-send-email-steve_longerbeam@mentor.com> References: <1467846004-12731-1-git-send-email-steve_longerbeam@mentor.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a device tree boolean property "bt656-4" to allow setting the ITU-R BT.656-4 compatible bit. Signed-off-by: Steve Longerbeam --- drivers/media/i2c/adv7180.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 92e2f37..fff887c 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -58,7 +58,7 @@ #define ADV7180_REG_OUTPUT_CONTROL 0x0003 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004 -#define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5 +#define ADV7180_EXTENDED_OUTPUT_CONTROL_BT656_4 0x80 #define ADV7180_REG_AUTODETECT_ENABLE 0x0007 #define ADV7180_AUTODETECT_DEFAULT 0x7f @@ -216,6 +216,7 @@ struct adv7180_state { struct gpio_desc *pwdn_gpio; v4l2_std_id curr_norm; bool autodetect; + bool bt656_4; /* use bt.656-4 standard for NTSC */ bool powered; u8 input; @@ -1281,6 +1282,17 @@ static int init_device(struct adv7180_state *state) if (ret) goto out_unlock; + if (state->bt656_4) { + ret = adv7180_read(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL); + if (ret < 0) + goto out_unlock; + ret |= ADV7180_EXTENDED_OUTPUT_CONTROL_BT656_4; + ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, + ret); + if (ret < 0) + goto out_unlock; + } + ret = adv7180_program_std(state); if (ret) goto out_unlock; @@ -1332,6 +1344,10 @@ static int adv7180_of_parse(struct adv7180_state *state) return PTR_ERR(state->pwdn_gpio); } + /* select ITU-R BT.656-4 compatible? */ + if (of_property_read_bool(client->dev.of_node, "bt656-4")) + state->bt656_4 = true; + return 0; }