diff options
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dp.c | 10 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_hdmi_edid.c | 20 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_hdmi_edid.h | 1 |
3 files changed, 28 insertions, 3 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dp.c b/drivers/video/fbdev/msm/mdss_dp.c index e961b7b78464..6117aff36849 100644 --- a/drivers/video/fbdev/msm/mdss_dp.c +++ b/drivers/video/fbdev/msm/mdss_dp.c @@ -1013,9 +1013,10 @@ static int dp_get_cable_status(struct platform_device *pdev, u32 vote) return hpd; } -static bool mdss_dp_is_dvi_mode(struct mdss_dp_drv_pdata *dp) +static bool mdss_dp_sink_audio_supp(struct mdss_dp_drv_pdata *dp) { - return hdmi_edid_is_dvi_mode(dp->panel_data.panel_info.edid_data); + return hdmi_edid_is_audio_supported( + dp->panel_data.panel_info.edid_data); } static int dp_audio_info_setup(struct platform_device *pdev, @@ -1706,14 +1707,17 @@ static int mdss_dp_send_audio_notification( goto end; } - if (!mdss_dp_is_dvi_mode(dp) || dp->audio_test_req) { + if (mdss_dp_sink_audio_supp(dp) || dp->audio_test_req) { dp->audio_test_req = false; + pr_debug("sending audio notification\n"); flags |= MSM_EXT_DISP_HPD_AUDIO; if (dp->ext_audio_data.intf_ops.hpd) ret = dp->ext_audio_data.intf_ops.hpd(dp->ext_pdev, dp->ext_audio_data.type, val, flags); + } else { + pr_debug("sink does not support audio\n"); } end: diff --git a/drivers/video/fbdev/msm/mdss_hdmi_edid.c b/drivers/video/fbdev/msm/mdss_hdmi_edid.c index 6bf8e581326d..502bc1570609 100644 --- a/drivers/video/fbdev/msm/mdss_hdmi_edid.c +++ b/drivers/video/fbdev/msm/mdss_hdmi_edid.c @@ -137,6 +137,7 @@ struct hdmi_edid_ctrl { u16 video_latency; u32 present_3d; u32 page_id; + bool basic_audio_supp; u8 audio_data_block[MAX_NUMBER_ADB * MAX_AUDIO_DATA_BLOCK_SIZE]; int adb_size; u8 spkr_alloc_data_block[MAX_SPKR_ALLOC_DATA_BLOCK_SIZE]; @@ -1289,6 +1290,14 @@ static void hdmi_edid_extract_sink_caps(struct hdmi_edid_ctrl *edid_ctrl, return; } + /* Check if sink supports basic audio */ + if (in_buf[3] & BIT(6)) + edid_ctrl->basic_audio_supp = true; + else + edid_ctrl->basic_audio_supp = false; + pr_debug("%s: basic audio supported: %s\n", __func__, + edid_ctrl->basic_audio_supp ? "true" : "false"); + vsd = hdmi_edid_find_hfvsdb(in_buf); if (vsd) { @@ -2627,6 +2636,17 @@ void hdmi_edid_set_max_pclk_rate(void *input, u32 max_pclk_khz) edid_ctrl->init_data.max_pclk_khz = max_pclk_khz; } +bool hdmi_edid_is_audio_supported(void *input) +{ + struct hdmi_edid_ctrl *edid_ctrl = (struct hdmi_edid_ctrl *)input; + + /* + * return true if basic audio is supported or if an audio + * data block was successfully parsed. + */ + return (edid_ctrl->basic_audio_supp || edid_ctrl->adb_size); +} + void hdmi_edid_deinit(void *input) { struct hdmi_edid_ctrl *edid_ctrl = (struct hdmi_edid_ctrl *)input; diff --git a/drivers/video/fbdev/msm/mdss_hdmi_edid.h b/drivers/video/fbdev/msm/mdss_hdmi_edid.h index 653276683981..557e9326a81d 100644 --- a/drivers/video/fbdev/msm/mdss_hdmi_edid.h +++ b/drivers/video/fbdev/msm/mdss_hdmi_edid.h @@ -80,5 +80,6 @@ void hdmi_edid_get_hdr_data(void *edid_ctrl, void hdmi_edid_config_override(void *input, bool enable, struct hdmi_edid_override_data *data); void hdmi_edid_set_max_pclk_rate(void *input, u32 max_pclk_khz); +bool hdmi_edid_is_audio_supported(void *input); #endif /* __HDMI_EDID_H__ */ |