1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/media/dvb-frontends/m88ds3103.h b/drivers/media/dvb-frontends/m88ds3103.h
index 287d62a4ba7f..eaa5d10921d3 100644
--- a/drivers/media/dvb-frontends/m88ds3103.h
+++ b/drivers/media/dvb-frontends/m88ds3103.h
@@ -26,26 +26,28 @@
 struct m88ds3103_config {
         /*
          * I2C address
+         * Default: none, must set
          * 0x68, ...
          */
         u8 i2c_addr;
 
         /*
          * clock
+         * Default: none, must set
          * 27000000
          */
         u32 clock;
 
         /*
          * max bytes I2C provider is asked to write at once
-         * Note: Buffer is taken from the stack currently!
-         * Value must be set.
+         * Default: none, must set
          * 33, 65, ...
          */
         u16 i2c_wr_max;
 
         /*
          * TS output mode
+         * Default: M88DS3103_TS_SERIAL
          */
 #define M88DS3103_TS_SERIAL             0 /* TS output pin D0, normal */
 #define M88DS3103_TS_SERIAL_D7          1 /* TS output pin D7 */
@@ -58,16 +60,19 @@ struct m88ds3103_config {
 
         /*
          * spectrum inversion
+         * Default: 0
          */
         u8 spec_inv:1;
 
         /*
          * AGC polarity
+         * Default: 0
          */
         u8 agc_inv:1;
 
         /*
          * clock output
+         * Default: M88DS3103_CLOCK_OUT_DISABLED
          */
 #define M88DS3103_CLOCK_OUT_DISABLED        0
 #define M88DS3103_CLOCK_OUT_ENABLED         1
@@ -76,9 +81,14 @@ struct m88ds3103_config {
 
         /*
          * DiSEqC envelope mode
+         * Default: 0
          */
         u8 envelope_mode:1;
 
+        /*
+         * AGC configuration
+         * Default: none, must set
+         */
         u8 agc;
 };