diff options
Diffstat (limited to 'drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c')
| -rw-r--r-- | drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c b/drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c index a8ec323d..319f2c0d 100644 --- a/drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c +++ b/drivers/video/sunxi/hdmi_ep952/hdmi_ep952.c @@ -86,6 +86,7 @@ extern struct i2c_adapter *i2c_get_adapter(int nr); extern void EP952Controller_Timer(void); extern void EP952Controller_Task(void); extern unsigned char HDMI_Tx_hpd_state(void); +extern SMBUS_STATUS EP952_Reg_Read(unsigned char ByteAddr, unsigned char *Data, unsigned int Size); static disp_video_timing video_timing[] = { @@ -512,6 +513,31 @@ static int ep952_late_resume(void) extern int bsp_extern_hdmi_register(); +ssize_t hdmi_i2c_show_regs(struct device *dev, struct device_attribute *attr, char *buf) +{ + char regs[0x89]; + EP952_Reg_Read(0, regs, sizeof(regs)); + ssize_t written = 0; + int i; + int firstVal = 1; + for (i = 0; i < sizeof(regs); ++i) + { + if (!firstVal) written += sprintf(buf + written, " "); + firstVal = 0; + written += sprintf(buf + written, "%.2x", regs[i]); + } + written += sprintf(buf + written, "\n"); + return written; +} + +ssize_t hdmi_i2c_store_regs(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + //no-op +} + +static DEVICE_ATTR(regs, S_IRUGO|S_IWUSR|S_IWGRP, + hdmi_i2c_show_regs, hdmi_i2c_store_regs); + static int hdmi_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -558,7 +584,15 @@ static int hdmi_i2c_probe(struct i2c_client *client, const struct i2c_device_id bsp_extern_hdmi_register(); //ep952_device = disp_vdevice_register(&init_data); + int ret; + ret = device_create_file(&client->dev, &dev_attr_regs); + + if (ret) goto err; + return 0; + +err: + return -ENODEV; } static int __devexit hdmi_i2c_remove(struct i2c_client *client) |