[media] xc4000: remove XREG_BUSY code only supported in xc5000

The xc4000 driver is based on the original xc5000 driver, and while the
xc5000 supports the XREG_BUSY register, the xc4000 does not.  So remove the
code in question.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 26 deletions

diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c
index a7f8b29e38fd..fd9119eb3316 100644
--- a/drivers/media/common/tuners/xc4000.c
+++ b/drivers/media/common/tuners/xc4000.c
@@ -130,7 +130,6 @@ struct xc4000_priv {
 #define XREG_SNR          0x06
 #define XREG_VERSION      0x07
 #define XREG_PRODUCT_ID   0x08
-//#define XREG_BUSY         0x09
 //#define XREG_BUILD        0x0D
 
 /*
@@ -310,7 +309,6 @@ static int xc4000_TunerReset(struct dvb_frontend *fe)
 static int xc_write_reg(struct xc4000_priv *priv, u16 regAddr, u16 i2cData)
 {
         u8 buf[4];
-//      int WatchDogTimer = 100;
         int result;
 
         buf[0] = (regAddr >> 8) & 0xFF;
@@ -318,30 +316,6 @@ static int xc_write_reg(struct xc4000_priv *priv, u16 regAddr, u16 i2cData)
         buf[2] = (i2cData >> 8) & 0xFF;
         buf[3] = i2cData & 0xFF;
         result = xc_send_i2c_data(priv, buf, 4);
-//WAS THERE
-//      if (result == XC_RESULT_SUCCESS) {
-//              /* wait for busy flag to clear */
-//              while ((WatchDogTimer > 0) && (result == XC_RESULT_SUCCESS)) {
-//                      buf[0] = 0;
-//                      buf[1] = XREG_BUSY;
-//
-//                      result = xc_send_i2c_data(priv, buf, 2);
-//                      if (result == XC_RESULT_SUCCESS) {
-//                              result = xc_read_i2c_data(priv, buf, 2);
-//                              if (result == XC_RESULT_SUCCESS) {
-//                                      if ((buf[0] == 0) && (buf[1] == 0)) {
-//                                              /* busy flag cleared */
-//                                      break;
-//                                      } else {
-//                                              xc_wait(5); /* wait 5 ms */
-//                                              WatchDogTimer--;
-//                                      }
-//                              }
-//                      }
-//              }
-//      }
-//      if (WatchDogTimer < 0)
-//              result = XC_RESULT_I2C_WRITE_FAILURE;
 
         return result;
 }