From patchwork Thu Aug 15 11:57:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 11095689 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3164C13AC for ; Thu, 15 Aug 2019 11:58:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 21BC328895 for ; Thu, 15 Aug 2019 11:58:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 15DB2288A2; Thu, 15 Aug 2019 11:58:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B693728895 for ; Thu, 15 Aug 2019 11:58:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731253AbfHOL6K (ORCPT ); Thu, 15 Aug 2019 07:58:10 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:46097 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730442AbfHOL6B (ORCPT ); Thu, 15 Aug 2019 07:58:01 -0400 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hyEOA-00042q-KJ; Thu, 15 Aug 2019 13:57:54 +0200 Received: from mfe by dude02.lab.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1hyEO5-0006IR-0O; Thu, 15 Aug 2019 13:57:49 +0200 From: Marco Felsch To: mchehab@kernel.org, sakari.ailus@linux.intel.com, hans.verkuil@cisco.com, jacopo+renesas@jmondi.org, robh+dt@kernel.org, laurent.pinchart@ideasonboard.com Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH v7 09/13] media: tvp5150: add s_power callback Date: Thu, 15 Aug 2019 13:57:43 +0200 Message-Id: <20190815115747.24018-10-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190815115747.24018-1-m.felsch@pengutronix.de> References: <20190815115747.24018-1-m.felsch@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org 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 Don't en-/disable the interrupts during s_stream because someone can disable the stream but wants to get informed if the stream is locked again. So keep the interrupts enabled the whole time the pipeline is opened. Signed-off-by: Marco Felsch --- drivers/media/i2c/tvp5150.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 26a156da3ab4..9a812d5f45d7 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -1354,11 +1354,26 @@ static const struct media_entity_operations tvp5150_sd_media_ops = { /**************************************************************************** I2C Command ****************************************************************************/ +static int tvp5150_s_power(struct v4l2_subdev *sd, int on) +{ + struct tvp5150 *decoder = to_tvp5150(sd); + unsigned int val = 0; + + if (on) + val = TVP5150_INT_A_LOCK; + + if (decoder->irq) + /* Enable / Disable lock interrupt */ + regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A, + TVP5150_INT_A_LOCK, val); + + return 0; +} static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) { struct tvp5150 *decoder = to_tvp5150(sd); - unsigned int mask, val = 0, int_val = 0; + unsigned int mask, val = 0; mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | TVP5150_MISC_CTL_CLOCK_OE; @@ -1371,15 +1386,10 @@ static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) val = decoder->lock ? decoder->oe : 0; else val = decoder->oe; - int_val = TVP5150_INT_A_LOCK; v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt); } regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val); - if (decoder->irq) - /* Enable / Disable lock interrupt */ - regmap_update_bits(decoder->regmap, TVP5150_INT_ENABLE_REG_A, - TVP5150_INT_A_LOCK, int_val); return 0; } @@ -1575,6 +1585,7 @@ static const struct v4l2_subdev_core_ops tvp5150_core_ops = { .g_register = tvp5150_g_register, .s_register = tvp5150_s_register, #endif + .s_power = tvp5150_s_power, }; static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {