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Don't release an i2c channel that has not initialized correctly

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This commit is contained in:
Jon Smirl 2004-10-20 16:23:42 +00:00
parent 7ebbebf3d3
commit 17ce33835a
2 changed files with 16 additions and 8 deletions
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12
linux-2.6/radeon_i2c.c
View file

@ -122,19 +122,23 @@ int radeon_create_i2c_busses(drm_device_t * dev)
dev_priv->i2c[0].ddc_reg = GPIO_MONID;
/* Don't return the error from setup. It is not fatal */
/* if the bus can not be initialized */
setup_i2c_bus(&dev_priv->i2c[0], "monid");
if (!setup_i2c_bus(&dev_priv->i2c[0], "monid"))
dev_priv->i2c[0].dev = NULL;
dev_priv->i2c[1].dev = dev;
dev_priv->i2c[1].ddc_reg = GPIO_DVI_DDC;
setup_i2c_bus(&dev_priv->i2c[1], "dvi");
if (!setup_i2c_bus(&dev_priv->i2c[1], "dvi"))
dev_priv->i2c[1].dev = NULL;
dev_priv->i2c[2].dev = dev;
dev_priv->i2c[2].ddc_reg = GPIO_VGA_DDC;
setup_i2c_bus(&dev_priv->i2c[2], "vga");
if (!setup_i2c_bus(&dev_priv->i2c[2], "vga"))
dev_priv->i2c[2].dev = NULL;
dev_priv->i2c[3].dev = dev;
dev_priv->i2c[3].ddc_reg = GPIO_CRT2_DDC;
setup_i2c_bus(&dev_priv->i2c[3], "crt2");
if (!setup_i2c_bus(&dev_priv->i2c[3], "crt2"))
dev_priv->i2c[0].dev = NULL;
return 0;
}

12
linux-core/radeon_i2c.c
View file

@ -121,19 +121,23 @@ int radeon_create_i2c_busses(drm_device_t * dev)
dev_priv->i2c[0].ddc_reg = GPIO_MONID;
/* Don't return the error from setup. It is not fatal */
/* if the bus can not be initialized */
setup_i2c_bus(&dev_priv->i2c[0], "monid");
if (!setup_i2c_bus(&dev_priv->i2c[0], "monid"))
dev_priv->i2c[0].dev = NULL;
dev_priv->i2c[1].dev = dev;
dev_priv->i2c[1].ddc_reg = GPIO_DVI_DDC;
setup_i2c_bus(&dev_priv->i2c[1], "dvi");
if (!setup_i2c_bus(&dev_priv->i2c[1], "dvi"))
dev_priv->i2c[1].dev = NULL;
dev_priv->i2c[2].dev = dev;
dev_priv->i2c[2].ddc_reg = GPIO_VGA_DDC;
setup_i2c_bus(&dev_priv->i2c[2], "vga");
if (!setup_i2c_bus(&dev_priv->i2c[2], "vga"))
dev_priv->i2c[2].dev = NULL;
dev_priv->i2c[3].dev = dev;
dev_priv->i2c[3].ddc_reg = GPIO_CRT2_DDC;
setup_i2c_bus(&dev_priv->i2c[3], "crt2");
if (!setup_i2c_bus(&dev_priv->i2c[3], "crt2"))
dev_priv->i2c[0].dev = NULL;
return 0;
}