diff options
| author | Ricardo Salveti de Araujo <ricardo.salveti@canonical.com> | 2011-06-22 20:40:21 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-06-22 20:40:21 +0100 |
| commit | 07fc4d282312bb9dfdb71b47ddafbeb3d8de365f (patch) | |
| tree | 5883fd901304680172122d977edbe557b5f1ab4e | |
| parent | 220f67caa9dd27ac85608e3c38621a9180982000 (diff) | |
Subject: [PATCH 13/19] OMAP4: DSS2: HDMI: adding a workaround for LG monitors
Some monitors report a disconnect just after a connect, so if force is enabled,
give some time and check at least one more time. This is a needed workaround
to make the driver work with LG monitors.
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
| -rw-r--r-- | drivers/video/omap2/dss/hdmi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index c44029a2511..04ce20e0617 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -1208,6 +1208,16 @@ bool omapdss_hdmi_is_detected(struct omap_dss_device *dssdev, bool force) r = hdmi_read_reg(HDMI_CORE_SYS_SYS_STAT); + /* Some annoying LG monitors will report that's disconnected + * right after reporting it's connected, so try again if probe + * failed and force is enabled */ + if (!(r & 0x2) && (force)) { + DSSDBG("Fail to detect the connector and force is enabled, " + "trying at least one more time\n"); + msleep(2000); + r = hdmi_read_reg(HDMI_CORE_SYS_SYS_STAT); + } + return !!(r & 0x2); } |