V4L/DVB (13112): tda18271: display some state information in debug output

Display i2c adapter id, address and master / slave role in debug output.

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 22 insertions, 12 deletions

diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h
index 74075be4dea3..7047680cdbd1 100644
--- a/drivers/media/common/tuners/tda18271-priv.h
+++ b/drivers/media/common/tuners/tda18271-priv.h
@@ -136,27 +136,37 @@ extern int tda18271_debug;
 #define DBG_ADV  8
 #define DBG_CAL  16
 
-#define tda_printk(kern, fmt, arg...) \
-        printk(kern "%s: " fmt, __func__, ##arg)
-
-#define tda_dprintk(lvl, fmt, arg...) do {\
+#define tda_printk(st, kern, fmt, arg...) do {\
+        if (st) { \
+                struct tda18271_priv *state = st; \
+                printk(kern "%s: [%d-%04x|%s] " fmt, __func__, \
+                        i2c_adapter_id(state->i2c_props.adap), \
+                        state->i2c_props.addr, \
+                        (state->role == TDA18271_MASTER) \
+                        ? "M" : "S", ##arg); \
+        } else \
+                printk(kern "%s: " fmt, __func__, ##arg); \
+} while (0)
+
+#define tda_dprintk(st, lvl, fmt, arg...) do {\
         if (tda18271_debug & lvl) \
-                tda_printk(KERN_DEBUG, fmt, ##arg); } while (0)
+                tda_printk(st, KERN_DEBUG, fmt, ##arg); } while (0)
 
 #define tda_info(fmt, arg...)     printk(KERN_INFO     fmt, ##arg)
-#define tda_warn(fmt, arg...) tda_printk(KERN_WARNING, fmt, ##arg)
-#define tda_err(fmt, arg...)  tda_printk(KERN_ERR,     fmt, ##arg)
-#define tda_dbg(fmt, arg...)  tda_dprintk(DBG_INFO,    fmt, ##arg)
-#define tda_map(fmt, arg...)  tda_dprintk(DBG_MAP,     fmt, ##arg)
-#define tda_reg(fmt, arg...)  tda_dprintk(DBG_REG,     fmt, ##arg)
-#define tda_cal(fmt, arg...)  tda_dprintk(DBG_CAL,     fmt, ##arg)
+#define tda_warn(fmt, arg...) tda_printk(priv, KERN_WARNING, fmt, ##arg)
+#define tda_err(fmt, arg...)  tda_printk(priv, KERN_ERR,     fmt, ##arg)
+#define tda_dbg(fmt, arg...)  tda_dprintk(priv, DBG_INFO,    fmt, ##arg)
+#define tda_map(fmt, arg...)  tda_dprintk(priv, DBG_MAP,     fmt, ##arg)
+#define tda_reg(fmt, arg...)  tda_dprintk(priv, DBG_REG,     fmt, ##arg)
+#define tda_cal(fmt, arg...)  tda_dprintk(priv, DBG_CAL,     fmt, ##arg)
 
 #define tda_fail(ret)                                                        \
 ({                                                                           \
         int __ret;                                                           \
         __ret = (ret < 0);                                                   \
         if (__ret)                                                           \
-                tda_printk(KERN_ERR, "error %d on line %d\n", ret, __LINE__);\
+                tda_printk(priv, KERN_ERR,                                   \
+                           "error %d on line %d\n", ret, __LINE__);          \
         __ret;                                                               \
 })