diff options
Diffstat (limited to 'drivers/video/mxc/mxc_edid.c')
| -rw-r--r-- | drivers/video/mxc/mxc_edid.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/video/mxc/mxc_edid.c b/drivers/video/mxc/mxc_edid.c index 0eafe0f1fd4e..c64b7f85b809 100644 --- a/drivers/video/mxc/mxc_edid.c +++ b/drivers/video/mxc/mxc_edid.c @@ -38,6 +38,8 @@ #include <mach/mxc_edid.h> #include "../edid.h" +#define MXC_EDID_LENGTH (EDID_LENGTH*2) + struct mxc_ddc_data { struct platform_device *pdev; struct i2c_client *client; @@ -45,7 +47,7 @@ struct mxc_ddc_data { struct fb_info *fbi; struct mxc_edid_cfg edid_cfg; u8 cable_plugin; - u8 edid[256]; + u8 edid[MXC_EDID_LENGTH]; u32 di; void (*init)(void); @@ -354,6 +356,23 @@ static ssize_t mxc_ddc_show_state(struct device *dev, static DEVICE_ATTR(cable_state, S_IRUGO, mxc_ddc_show_state, NULL); +static ssize_t mxc_ddc_show_edid(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int i, j, len = 0; + + for (j = 0; j < MXC_EDID_LENGTH/16; j++) { + for (i = 0; i < 16; i++) + len += sprintf(buf+len, "0x%02X ", + mxc_ddc.edid[j*16 + i]); + len += sprintf(buf+len, "\n"); + } + + return len; +} + +static DEVICE_ATTR(edid, S_IRUGO, mxc_ddc_show_edid, NULL); + static void det_worker(struct work_struct *work) { char event_string[16]; @@ -497,7 +516,11 @@ static int __devinit mxc_ddc_probe(struct i2c_client *client, ret = device_create_file(&mxc_ddc.pdev->dev, &dev_attr_cable_state); if (ret < 0) dev_warn(&client->dev, - "MXC ddc: cound not crate sys node\n"); + "MXC ddc: cound not create sys node for cable state\n"); + ret = device_create_file(&mxc_ddc.pdev->dev, &dev_attr_edid); + if (ret < 0) + dev_warn(&client->dev, + "MXC ddc: cound not create sys node for edid\n"); } } |