diff options
| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2013-03-05 13:17:57 -0700 |
|---|---|---|
| committer | Troy Kisky <troy.kisky@boundarydevices.com> | 2013-03-05 13:39:05 -0700 |
| commit | 0c44eb4bb16f8eeb19751b00c6360f6a8814200e (patch) | |
| tree | 8513ea1d2c181bab7db0741d883c6cbad337f223 | |
| parent | 4286438f1dfbba5b0c6df9469565cbd7f401f86a (diff) | |
mxcfb_adv739x: print debug info
| -rw-r--r--[-rwxr-xr-x] | drivers/video/mxc/mxcfb_adv739x.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/video/mxc/mxcfb_adv739x.c b/drivers/video/mxc/mxcfb_adv739x.c index efeb38b2b20c..d37225ba8f43 100755..100644 --- a/drivers/video/mxc/mxcfb_adv739x.c +++ b/drivers/video/mxc/mxcfb_adv739x.c @@ -84,7 +84,7 @@ static int adv739x_write(struct i2c_client *client, u8 reg, u8 data) { int ret = 0; ret = i2c_smbus_write_byte_data(client, reg, data); - + pr_info("%s: reg=0x%x data=0x%x ret=%d\n", __func__, reg, data, ret); return ret; } @@ -92,7 +92,7 @@ static int adv739x_read(struct i2c_client *client, u8 reg) { int data = 0; data = i2c_smbus_read_byte_data(client, reg); - + pr_info("%s: reg=0x%x data=0x%x %d\n", __func__, reg, data, data); return data; } @@ -311,16 +311,17 @@ static int __devinit adv739x_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adv739x_data *adv739x; - int ret = 0; if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA)) + I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA)) { + pr_err("%s: need smbus\n", __func__); return -ENODEV; + } adv739x = kzalloc(sizeof(struct adv739x_data), GFP_KERNEL); if (!adv739x) { - ret = -ENOMEM; - goto alloc_failed; + pr_err("%s: no mem\n", __func__); + return -ENOMEM; } adv739x->client = client; @@ -329,9 +330,7 @@ static int __devinit adv739x_probe(struct i2c_client *client, mxc_dispdrv_setdata(adv739x->disp_adv739x, adv739x); i2c_set_clientdata(client, adv739x); - -alloc_failed: - return ret; + return 0; } |