From patchwork Wed May 20 16:39:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Towle X-Patchwork-Id: 29753 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1YvMO4-0002jp-D0; Thu, 21 May 2015 11:03:32 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-8) with esmtp id 1YvMO2-0006R2-kq; Thu, 21 May 2015 11:03:32 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754442AbbEUJDY (ORCPT + 1 other); Thu, 21 May 2015 05:03:24 -0400 Received: from 82-70-136-246.dsl.in-addr.zen.co.uk ([82.70.136.246]:56632 "EHLO xk120.dyn.ducie.codethink.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753370AbbEUJDV (ORCPT ); Thu, 21 May 2015 05:03:21 -0400 Received: from william by xk120.dyn.ducie.codethink.co.uk with local (Exim 4.80) (envelope-from ) id 1Yv72F-0004BC-TR; Wed, 20 May 2015 17:40:00 +0100 From: William Towle To: linux-kernel@lists.codethink.co.uk, linux-media@vger.kernel.org Cc: g.liakhovetski@gmx.de, sergei.shtylyov@cogentembedded.com, hverkuil@xs4all.nl, rob.taylor@codethink.co.uk Subject: [PATCH 05/20] media: adv7604: ability to read default input port from DT Date: Wed, 20 May 2015 17:39:25 +0100 Message-Id: <1432139980-12619-6-git-send-email-william.towle@codethink.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1432139980-12619-1-git-send-email-william.towle@codethink.co.uk> References: <1432139980-12619-1-git-send-email-william.towle@codethink.co.uk> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2015.5.21.85416 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_2000_2999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' From: Ian Molton Adds support to the adv7604 driver for specifying the default input port in the Device tree. If no value is provided, the driver will be unable to select an input without help from userspace. Tested-by: William Towle Signed-off-by: Ian Molton --- Documentation/devicetree/bindings/media/i2c/adv7604.txt | 3 +++ drivers/media/i2c/adv7604.c | 8 +++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt b/Documentation/devicetree/bindings/media/i2c/adv7604.txt index 7eafdbc..8337f75 100644 --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt @@ -47,6 +47,7 @@ Optional Endpoint Properties: If none of hsync-active, vsync-active and pclk-sample is specified the endpoint will use embedded BT.656 synchronization. + - default-input: Select which input is selected after reset. Example: @@ -60,6 +61,8 @@ Example: #address-cells = <1>; #size-cells = <0>; + default-input = <0>; + port@0 { reg = <0>; }; diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index a2abb04..4bde3e1 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -2739,6 +2739,7 @@ static int adv76xx_parse_dt(struct adv76xx_state *state) struct device_node *endpoint; struct device_node *np; unsigned int flags; + u32 v; np = state->i2c_clients[ADV76XX_PAGE_IO]->dev.of_node; @@ -2748,6 +2749,12 @@ static int adv76xx_parse_dt(struct adv76xx_state *state) return -EINVAL; v4l2_of_parse_endpoint(endpoint, &bus_cfg); + + if (!of_property_read_u32(endpoint, "default-input", &v)) + state->pdata.default_input = v; + else + state->pdata.default_input = -1; + of_node_put(endpoint); flags = bus_cfg.bus.parallel.flags; @@ -2786,7 +2793,6 @@ static int adv76xx_parse_dt(struct adv76xx_state *state) /* Hardcode the remaining platform data fields. */ state->pdata.disable_pwrdnb = 0; state->pdata.disable_cable_det_rst = 0; - state->pdata.default_input = -1; state->pdata.blank_data = 1; state->pdata.alt_data_sat = 1; state->pdata.op_format_mode_sel = ADV7604_OP_FORMAT_MODE0;