From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jyri Sarha Date: Wed, 12 Nov 2014 14:41:10 +0000 Subject: [PATCH v7.1 19/19] OMAPDSS: hdmi5: Change hdmi_wp idlemode to to no_idle for audio playback Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: alsa-devel@alsa-project.org, linux-fbdev@vger.kernel.org, linux-omap@vger.kernel.org Cc: peter.ujfalusi@ti.com, broonie@kernel.org, liam.r.girdwood@linux.intel.com, tomi.valkeinen@ti.com, Jyri Sarha Signed-off-by: Jyri Sarha --- drivers/video/fbdev/omap2/dss/hdmi.h | 1 + drivers/video/fbdev/omap2/dss/hdmi5.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/video/fbdev/omap2/dss/hdmi.h b/drivers/video/fbdev/omap2/dss/hdmi.h index bfaaf2f..f991dbf 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi.h +++ b/drivers/video/fbdev/omap2/dss/hdmi.h @@ -372,6 +372,7 @@ struct omap_hdmi { struct platform_device *audio_pdev; void (*audio_abort_cb)(struct device *dev); + int wp_idlemode; }; #endif diff --git a/drivers/video/fbdev/omap2/dss/hdmi5.c b/drivers/video/fbdev/omap2/dss/hdmi5.c index feb76e2..c91685e 100644 --- a/drivers/video/fbdev/omap2/dss/hdmi5.c +++ b/drivers/video/fbdev/omap2/dss/hdmi5.c @@ -614,6 +614,10 @@ static int hdmi_audio_start(struct device *dev) WARN_ON(!hdmi_mode_has_audio(&hd->cfg)); WARN_ON(!hd->display_enabled); + /* No-idle while playing audio, store the old value */ + hd->wp_idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2); + REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); + hdmi_wp_audio_enable(&hd->wp, true); hdmi_wp_audio_core_req_enable(&hd->wp, true); @@ -629,6 +633,9 @@ static void hdmi_audio_stop(struct device *dev) hdmi_wp_audio_core_req_enable(&hd->wp, false); hdmi_wp_audio_enable(&hd->wp, false); + + /* Playback stopped, restore original idlemode */ + REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2); } static int hdmi_audio_config(struct device *dev, -- 1.7.9.5