From patchwork Sun Jan 19 18:58:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Francois Moine X-Patchwork-Id: 3510241 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 87FEAC02DC for ; Sun, 19 Jan 2014 19:07:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B843D200F0 for ; Sun, 19 Jan 2014 19:07:11 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D3856200EC for ; Sun, 19 Jan 2014 19:07:10 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xgk-0003KA-Fv; Sun, 19 Jan 2014 19:05:43 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xgI-0004VG-K4; Sun, 19 Jan 2014 19:05:14 +0000 Received: from smtp2-g21.free.fr ([2a01:e0c:1:1599::11]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xfV-0004PF-SH for linux-arm-kernel@lists.infradead.org; Sun, 19 Jan 2014 19:04:26 +0000 Received: from armhf (unknown [IPv6:2a01:e35:2f5c:9de0:212:bfff:fe1e:9ce4]) by smtp2-g21.free.fr (Postfix) with ESMTP id C3A1F4B0109; Sun, 19 Jan 2014 20:03:53 +0100 (CET) Date: Sun, 19 Jan 2014 19:58:48 +0100 From: Jean-Francois Moine To: dri-devel@lists.freedesktop.org Subject: [PATCH v3 24/24] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF Message-ID: <20140119195848.0bede2c3@armhf> In-Reply-To: References: X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140119_140426_644335_1862852C X-CRM114-Status: GOOD ( 11.45 ) X-Spam-Score: -1.9 (-) Cc: Russell King - ARM Linux , Rob Clark , Dave Airlie , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The S/PDIF input asks for a greater audio clock divider. Signed-off-by: Jean-Francois Moine --- drivers/gpu/drm/i2c/tda998x_drv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 0716a75..06c484d 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -707,6 +707,10 @@ tda998x_configure_audio(struct tda998x_priv *priv, reg_write(priv, REG_CTS_N, cts_n); reg_write(priv, REG_ENA_ACLK, aclk); + /* S/PDIF asks for a large divider */ + if (priv->audio_format == AFMT_SPDIF) + adiv = AUDIO_DIV_SERCLK_32; + /* * Audio input somehow depends on HDMI line rate which is * related to pixclk. Testing showed that modes with pixclk @@ -714,7 +718,7 @@ tda998x_configure_audio(struct tda998x_priv *priv, * There is no detailed info in the datasheet, so we just * assume 100MHz requires larger divider. */ - if (mode->clock > 100000) + else if (mode->clock > 100000) adiv = AUDIO_DIV_SERCLK_16; else adiv = AUDIO_DIV_SERCLK_8;