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path: root/drivers/gpu/drm/i915/intel_i2c.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_i2c.c')
-rw-r--r--drivers/gpu/drm/i915/intel_i2c.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index f7061f68d050..62b8bead7652 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -124,6 +124,7 @@ static void set_data(void *data, int state_high)
124 * @output: driver specific output device 124 * @output: driver specific output device
125 * @reg: GPIO reg to use 125 * @reg: GPIO reg to use
126 * @name: name for this bus 126 * @name: name for this bus
127 * @slave_addr: slave address (if fixed)
127 * 128 *
128 * Creates and registers a new i2c bus with the Linux i2c layer, for use 129 * Creates and registers a new i2c bus with the Linux i2c layer, for use
129 * in output probing and control (e.g. DDC or SDVO control functions). 130 * in output probing and control (e.g. DDC or SDVO control functions).
@@ -139,8 +140,8 @@ static void set_data(void *data, int state_high)
139 * %GPIOH 140 * %GPIOH
140 * see PRM for details on how these different busses are used. 141 * see PRM for details on how these different busses are used.
141 */ 142 */
142struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, 143struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
143 const char *name) 144 const char *name)
144{ 145{
145 struct intel_i2c_chan *chan; 146 struct intel_i2c_chan *chan;
146 147
@@ -174,7 +175,7 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg,
174 intel_i2c_quirk_set(dev, false); 175 intel_i2c_quirk_set(dev, false);
175 udelay(20); 176 udelay(20);
176 177
177 return chan; 178 return &chan->adapter;
178 179
179out_free: 180out_free:
180 kfree(chan); 181 kfree(chan);
@@ -187,11 +188,16 @@ out_free:
187 * 188 *
188 * Unregister the adapter from the i2c layer, then free the structure. 189 * Unregister the adapter from the i2c layer, then free the structure.
189 */ 190 */
190void intel_i2c_destroy(struct intel_i2c_chan *chan) 191void intel_i2c_destroy(struct i2c_adapter *adapter)
191{ 192{
192 if (!chan) 193 struct intel_i2c_chan *chan;
194
195 if (!adapter)
193 return; 196 return;
194 197
198 chan = container_of(adapter,
199 struct intel_i2c_chan,
200 adapter);
195 i2c_del_adapter(&chan->adapter); 201 i2c_del_adapter(&chan->adapter);
196 kfree(chan); 202 kfree(chan);
197} 203}