diff options
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 115 |
1 files changed, 86 insertions, 29 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 0cfe0eec34e..b0383153e3c 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -4876,38 +4876,82 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, stats.buffers_processed, stats.buffers_failed); } - case 6: { - struct v4l2_subdev *sd; - unsigned int tcnt = 0; - unsigned int ccnt; - const char *p; - unsigned int id; - ccnt = scnprintf(buf, - acnt, - "Associated v4l2_subdev drivers:"); + default: break; + } + return 0; +} + + +/* Generate report containing info about attached sub-devices and attached + i2c clients, including an indication of which attached i2c clients are + actually sub-devices. */ +static unsigned int pvr2_hdw_report_clients(struct pvr2_hdw *hdw, + char *buf, unsigned int acnt) +{ + struct v4l2_subdev *sd; + unsigned int tcnt = 0; + unsigned int ccnt; + struct i2c_client *client; + struct list_head *item; + void *cd; + const char *p; + unsigned int id; + + ccnt = scnprintf(buf, acnt, "Associated v4l2-subdev drivers:"); + tcnt += ccnt; + v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) { + id = sd->grp_id; + p = NULL; + if (id < ARRAY_SIZE(module_names)) p = module_names[id]; + if (p) { + ccnt = scnprintf(buf + tcnt, acnt - tcnt, " %s", p); + tcnt += ccnt; + } else { + ccnt = scnprintf(buf + tcnt, acnt - tcnt, + " (unknown id=%u)", id); + tcnt += ccnt; + } + } + ccnt = scnprintf(buf + tcnt, acnt - tcnt, "\n"); + tcnt += ccnt; + + ccnt = scnprintf(buf + tcnt, acnt - tcnt, "I2C clients:\n"); + tcnt += ccnt; + + mutex_lock(&hdw->i2c_adap.clist_lock); + list_for_each(item, &hdw->i2c_adap.clients) { + client = list_entry(item, struct i2c_client, list); + ccnt = scnprintf(buf + tcnt, acnt - tcnt, + " %s: i2c=%02x", client->name, client->addr); tcnt += ccnt; + cd = i2c_get_clientdata(client); v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) { - id = sd->grp_id; - p = NULL; - if (id < ARRAY_SIZE(module_names)) { - p = module_names[id]; - } - if (p) { - ccnt = scnprintf(buf + tcnt, - acnt - tcnt, - " %s", p); - } else { - ccnt = scnprintf(buf + tcnt, - acnt - tcnt, - " (unknown id=%u)", id); + if (cd == sd) { + id = sd->grp_id; + p = NULL; + if (id < ARRAY_SIZE(module_names)) { + p = module_names[id]; + } + if (p) { + ccnt = scnprintf(buf + tcnt, + acnt - tcnt, + " subdev=%s", p); + tcnt += ccnt; + } else { + ccnt = scnprintf(buf + tcnt, + acnt - tcnt, + " subdev= id %u)", + id); + tcnt += ccnt; + } + break; } - tcnt += ccnt; } - return tcnt; - } - default: break; + ccnt = scnprintf(buf + tcnt, acnt - tcnt, "\n"); + tcnt += ccnt; } - return 0; + mutex_unlock(&hdw->i2c_adap.clist_lock); + return tcnt; } @@ -4925,6 +4969,8 @@ unsigned int pvr2_hdw_state_report(struct pvr2_hdw *hdw, buf[0] = '\n'; ccnt = 1; bcnt += ccnt; acnt -= ccnt; buf += ccnt; } + ccnt = pvr2_hdw_report_clients(hdw, buf, acnt); + bcnt += ccnt; acnt -= ccnt; buf += ccnt; LOCK_GIVE(hdw->big_lock); return bcnt; } @@ -4932,14 +4978,25 @@ unsigned int pvr2_hdw_state_report(struct pvr2_hdw *hdw, static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw) { - char buf[128]; - unsigned int idx,ccnt; + char buf[256]; + unsigned int idx, ccnt; + unsigned int lcnt, ucnt; for (idx = 0; ; idx++) { ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf)); if (!ccnt) break; printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf); } + ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf)); + ucnt = 0; + while (ucnt < ccnt) { + lcnt = 0; + while ((lcnt + ucnt < ccnt) && (buf[lcnt + ucnt] != '\n')) { + lcnt++; + } + printk(KERN_INFO "%s %.*s\n", hdw->name, lcnt, buf + ucnt); + ucnt += lcnt + 1; + } } |