From patchwork Thu Jun 25 09:31:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Towle X-Patchwork-Id: 30380 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1Z83VH-0006JN-71; Thu, 25 Jun 2015 11:31:27 +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-5) with esmtp id 1Z83VF-0007Ei-7I; Thu, 25 Jun 2015 11:31:26 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751692AbbFYJbW (ORCPT + 1 other); Thu, 25 Jun 2015 05:31:22 -0400 Received: from 82-70-136-246.dsl.in-addr.zen.co.uk ([82.70.136.246]:49628 "EHLO xk120.dyn.ducie.codethink.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751898AbbFYJbN (ORCPT ); Thu, 25 Jun 2015 05:31:13 -0400 Received: from william by xk120.dyn.ducie.codethink.co.uk with local (Exim 4.80) (envelope-from ) id 1Z83V2-0006e6-08; Thu, 25 Jun 2015 10:31:12 +0100 From: William Towle To: linux-media@vger.kernel.org, linux-kernel@lists.codethink.co.uk Cc: Guennadi Liakhovetski , Sergei Shtylyov , Hans Verkuil Subject: [PATCH 06/15] media: adv7604: ability to read default input port from DT Date: Thu, 25 Jun 2015 10:31:00 +0100 Message-Id: <1435224669-23672-7-git-send-email-william.towle@codethink.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1435224669-23672-1-git-send-email-william.towle@codethink.co.uk> References: <1435224669-23672-1-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: 2015.6.25.92415 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, NO_URI_HTTPS 0, REFERENCES 0, SINGLE_URI_IN_BODY 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_IN_BODY 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 Acked-by: Hans Verkuil --- 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 ebeddd5..2a89b91 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -2795,6 +2795,7 @@ 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; @@ -2804,6 +2805,12 @@ 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; @@ -2842,7 +2849,6 @@ 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;