diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-08-29 18:10:20 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2011-09-30 16:16:47 +0300 |
| commit | 759593ffa7e05ebea9b21135cad179982331f5d8 (patch) | |
| tree | 3162f08919d9f6e6ca94b8124c2ff9e5f25d5d98 /drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | |
| parent | 468c1b934c0367d15f90314ae316cd33551f70a5 (diff) | |
OMAP: DSS2: HDMI: implement detect()
Implement detect() by checking the hot plug detect status.
The implementation is not very good, as it always turns on the HDMI
output to get the detection working. HDMI driver needs improvements so
that we could enable only core parts of it.
Cc: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c')
| -rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index e9885dcc4122..da7fe50fc127 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -416,6 +416,18 @@ int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, return l; } +bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data) +{ + int r; + + void __iomem *base = hdmi_core_sys_base(ip_data); + + /* HPD */ + r = REG_GET(base, HDMI_CORE_SYS_SYS_STAT, 1, 1); + + return r == 1; +} + static void hdmi_core_init(struct hdmi_core_video_config *video_cfg, struct hdmi_core_infoframe_avi *avi_cfg, struct hdmi_core_packet_enable_repeat *repeat_cfg) |