From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Francois Moine Subject: [PATCH v3 24/24] drm/i2c: tda998x: adjust the audio clock divider for S/PDIF Date: Sun, 19 Jan 2014 19:58:48 +0100 Message-ID: <20140119195848.0bede2c3@armhf> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtp2-g21.free.fr (smtp2-g21.free.fr [212.27.42.2]) by gabe.freedesktop.org (Postfix) with ESMTP id B7A63FA4B1 for ; Sun, 19 Jan 2014 11:04:06 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: Russell King - ARM Linux , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: dri-devel@lists.freedesktop.org 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; -- 1.8.5.3