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[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>
This commit is contained in:
Devin Heitmueller 2009-07-22 21:52:11 -03:00 committed by Mauro Carvalho Chehab
parent 6bf60d56b3
commit 02dec50982
1 changed files with 0 additions and 26 deletions
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26
drivers/media/common/tuners/xc4000.c
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@ -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;
}