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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 09:54:47 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 09:54:47 +0200
commitaa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch)
tree3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /drivers/gpu/drm/radeon/radeon_i2c.c
parentInput: sh_keysc - fix compile warning (diff)
parentInput: synaptics - fix reporting of min coordinates (diff)
downloadlinux-aa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece.tar.xz
linux-aa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece.zip
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_i2c.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_i2c.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index ccbabf734a61..781196db792f 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -888,6 +888,7 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
i2c->rec = *rec;
i2c->adapter.owner = THIS_MODULE;
+ i2c->adapter.class = I2C_CLASS_DDC;
i2c->dev = dev;
i2c_set_adapdata(&i2c->adapter, i2c);
if (rec->mm_i2c ||
@@ -947,6 +948,7 @@ struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
i2c->rec = *rec;
i2c->adapter.owner = THIS_MODULE;
+ i2c->adapter.class = I2C_CLASS_DDC;
i2c->dev = dev;
snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
"Radeon aux bus %s", name);
@@ -1096,6 +1098,9 @@ void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector)
if (!radeon_connector->router.ddc_valid)
return;
+ if (!radeon_connector->router_bus)
+ return;
+
radeon_i2c_get_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x3, &val);
@@ -1121,6 +1126,9 @@ void radeon_router_select_cd_port(struct radeon_connector *radeon_connector)
if (!radeon_connector->router.cd_valid)
return;
+ if (!radeon_connector->router_bus)
+ return;
+
radeon_i2c_get_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x3, &val);