diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/dw_hdmi-audio.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/bridge/dw_hdmi.c | 3 |
4 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 0d0a4f7f4f5c..6dddd392aa42 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -15,6 +15,7 @@ config DRM_DW_HDMI_AHB_AUDIO tristate "Synopsis Designware AHB Audio interface" depends on DRM_DW_HDMI && SND select SND_PCM + select SND_PCM_ELD select SND_PCM_IEC958 help Support the AHB Audio interface which is part of the Synopsis diff --git a/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c index bf379310008a..fbcef2695c93 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c @@ -12,11 +12,13 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <drm/bridge/dw_hdmi.h> +#include <drm/drm_edid.h> #include <sound/asoundef.h> #include <sound/core.h> #include <sound/initval.h> #include <sound/pcm.h> +#include <sound/pcm_drm_eld.h> #include <sound/pcm_iec958.h> #include "dw_hdmi-audio.h" @@ -286,6 +288,10 @@ static int dw_hdmi_open(struct snd_pcm_substream *substream) runtime->hw = dw_hdmi_hw; + ret = snd_pcm_hw_constraint_eld(runtime, dw->data.eld); + if (ret < 0) + return ret; + ret = snd_pcm_limit_hw_rates(runtime); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/bridge/dw_hdmi-audio.h b/drivers/gpu/drm/bridge/dw_hdmi-audio.h index 1e840118d90a..91f631beecc7 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi-audio.h +++ b/drivers/gpu/drm/bridge/dw_hdmi-audio.h @@ -8,6 +8,7 @@ struct dw_hdmi_audio_data { void __iomem *base; int irq; struct dw_hdmi *hdmi; + u8 *eld; }; #endif diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index d61a9fb46c6d..70e7a938a37b 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -1533,6 +1533,8 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector) hdmi->sink_has_audio = drm_detect_monitor_audio(edid); drm_mode_connector_update_edid_property(connector, edid); ret = drm_add_edid_modes(connector, edid); + /* Store the ELD */ + drm_edid_to_eld(connector, edid); kfree(edid); } else { dev_dbg(hdmi->dev, "failed to get edid\n"); @@ -1873,6 +1875,7 @@ int dw_hdmi_bind(struct device *dev, struct device *master, audio.base = hdmi->regs; audio.irq = irq; audio.hdmi = hdmi; + audio.eld = hdmi->connector.eld; pdevinfo.name = "dw-hdmi-ahb-audio"; pdevinfo.data = &audio; |