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SDVO: Switch control bus only before DDC access 

Instead of set control bus switch before every i2c start,
just set once before doing DDC. This should eliminate some
encoders returning error during that.
This commit is contained in:
Zhenyu Wang 2009-02-13 10:09:42 +08:00
parent f1ca56e17d
commit ddedf19f88
1 changed files with 4 additions and 4 deletions
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8
src/i830_sdvo.c
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@ -1377,9 +1377,7 @@ i830_sdvo_ddc_i2c_start(I2CBusPtr b, int timeout)
xf86OutputPtr output = b->DriverPrivate.ptr;
I830OutputPrivatePtr intel_output = output->driver_private;
I2CBusPtr i2cbus = intel_output->pI2CBus;
struct i830_sdvo_priv *dev_priv = intel_output->dev_priv;
i830_sdvo_set_control_bus_switch(output, dev_priv->ddc_bus);
return i2cbus->I2CStart(i2cbus, timeout);
}
@ -1566,9 +1564,11 @@ i830_sdvo_get_ddc_modes(xf86OutputPtr output)
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DisplayModePtr modes = NULL;
xf86OutputPtr crt;
I830OutputPrivatePtr intel_output;
I830OutputPrivatePtr intel_output = output->driver_private;
xf86MonPtr edid_mon = NULL;
struct i830_sdvo_priv *dev_priv;
struct i830_sdvo_priv *dev_priv = intel_output->dev_priv;
i830_sdvo_set_control_bus_switch(output, dev_priv->ddc_bus);
modes = i830_ddc_get_modes(output);
if (modes != NULL)