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path: root/drivers/gpu/drm/i915/dvo_ch7017.c
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Diffstat (limited to 'drivers/gpu/drm/i915/dvo_ch7017.c')
-rw-r--r--drivers/gpu/drm/i915/dvo_ch7017.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/dvo_ch7017.c b/drivers/gpu/drm/i915/dvo_ch7017.c
index 03d4b49..621815b 100644
--- a/drivers/gpu/drm/i915/dvo_ch7017.c
+++ b/drivers/gpu/drm/i915/dvo_ch7017.c
@@ -176,19 +176,20 @@ static void ch7017_dpms(struct intel_dvo_device *dvo, int mode);
static bool ch7017_read(struct intel_dvo_device *dvo, int addr, uint8_t *val)
{
- struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ struct i2c_adapter *adapter = dvo->i2c_bus;
+ struct intel_i2c_chan *i2cbus = container_of(adapter, struct intel_i2c_chan, adapter);
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
- .addr = i2cbus->slave_addr,
+ .addr = dvo->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
- .addr = i2cbus->slave_addr,
+ .addr = dvo->slave_addr,
.flags = I2C_M_RD,
.len = 1,
.buf = in_buf,
@@ -208,10 +209,11 @@ static bool ch7017_read(struct intel_dvo_device *dvo, int addr, uint8_t *val)
static bool ch7017_write(struct intel_dvo_device *dvo, int addr, uint8_t val)
{
- struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
+ struct i2c_adapter *adapter = dvo->i2c_bus;
+ struct intel_i2c_chan *i2cbus = container_of(adapter, struct intel_i2c_chan, adapter);
uint8_t out_buf[2];
struct i2c_msg msg = {
- .addr = i2cbus->slave_addr,
+ .addr = dvo->slave_addr,
.flags = 0,
.len = 2,
.buf = out_buf,
@@ -228,8 +230,9 @@ static bool ch7017_write(struct intel_dvo_device *dvo, int addr, uint8_t val)
/** Probes for a CH7017 on the given bus and slave address. */
static bool ch7017_init(struct intel_dvo_device *dvo,
- struct intel_i2c_chan *i2cbus)
+ struct i2c_adapter *adapter)
{
+ struct intel_i2c_chan *i2cbus = container_of(adapter, struct intel_i2c_chan, adapter);
struct ch7017_priv *priv;
uint8_t val;
@@ -237,8 +240,7 @@ static bool ch7017_init(struct intel_dvo_device *dvo,
if (priv == NULL)
return false;
- dvo->i2c_bus = i2cbus;
- dvo->i2c_bus->slave_addr = dvo->slave_addr;
+ dvo->i2c_bus = adapter;
dvo->dev_priv = priv;
if (!ch7017_read(dvo, CH7017_DEVICE_ID, &val))
@@ -248,7 +250,7 @@ static bool ch7017_init(struct intel_dvo_device *dvo,
val != CH7018_DEVICE_ID_VALUE &&
val != CH7019_DEVICE_ID_VALUE) {
DRM_DEBUG("ch701x not detected, got %d: from %s Slave %d.\n",
- val, i2cbus->adapter.name,i2cbus->slave_addr);
+ val, i2cbus->adapter.name,dvo->slave_addr);
goto fail;
}
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