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-rw-r--r--drivers/media/common/tuners/tda18271-fe.c8
-rw-r--r--drivers/media/common/tuners/tuner-simple.c3
-rw-r--r--drivers/media/common/tuners/xc5000.c59
3 files changed, 33 insertions, 37 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index b2e15456d5f..7955e49a344 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -1249,7 +1249,7 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct tda18271_config *cfg)
{
struct tda18271_priv *priv = NULL;
- int instance;
+ int instance, ret;
mutex_lock(&tda18271_list_mutex);
@@ -1268,10 +1268,12 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
priv->cal_initialized = false;
mutex_init(&priv->lock);
- if (tda_fail(tda18271_get_id(fe)))
+ ret = tda18271_get_id(fe);
+ if (tda_fail(ret))
goto fail;
- if (tda_fail(tda18271_assign_map_layout(fe)))
+ ret = tda18271_assign_map_layout(fe);
+ if (tda_fail(ret))
goto fail;
mutex_lock(&priv->lock);
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index 8cf2ab609d5..f8ee29e6059 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -546,14 +546,11 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
struct tuner_simple_priv *priv = fe->tuner_priv;
u8 config, cb;
u16 div;
- struct tunertype *tun;
u8 buffer[4];
int rc, IFPCoff, i;
enum param_type desired_type;
struct tuner_params *t_params;
- tun = priv->tun;
-
/* IFPCoff = Video Intermediate Frequency - Vif:
940 =16*58.75 NTSC/J (Japan)
732 =16*45.75 M/N STD
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 432003dded7..d2b2c12a556 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -217,6 +217,7 @@ static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
return XC_RESULT_SUCCESS;
}
+#if 0
/* This routine is never used because the only time we read data from the
i2c bus is when we read registers, and we want that to be an atomic i2c
transaction in case we are on a multi-master bus */
@@ -231,6 +232,27 @@ static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
}
return 0;
}
+#endif
+
+static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
+{
+ u8 buf[2] = { reg >> 8, reg & 0xff };
+ u8 bval[2] = { 0, 0 };
+ struct i2c_msg msg[2] = {
+ { .addr = priv->i2c_props.addr,
+ .flags = 0, .buf = &buf[0], .len = 2 },
+ { .addr = priv->i2c_props.addr,
+ .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
+ };
+
+ if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
+ printk(KERN_WARNING "xc5000: I2C read failed\n");
+ return -EREMOTEIO;
+ }
+
+ *val = (bval[0] << 8) | bval[1];
+ return XC_RESULT_SUCCESS;
+}
static void xc_wait(int wait_ms)
{
@@ -275,20 +297,14 @@ static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
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);
+ result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
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 */
+ if ((buf[0] == 0) && (buf[1] == 0)) {
+ /* busy flag cleared */
break;
- } else {
- xc_wait(5); /* wait 5 ms */
- WatchDogTimer--;
- }
+ } else {
+ xc_wait(5); /* wait 5 ms */
+ WatchDogTimer--;
}
}
}
@@ -526,25 +542,6 @@ static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
return found;
}
-static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
-{
- u8 buf[2] = { reg >> 8, reg & 0xff };
- u8 bval[2] = { 0, 0 };
- struct i2c_msg msg[2] = {
- { .addr = priv->i2c_props.addr,
- .flags = 0, .buf = &buf[0], .len = 2 },
- { .addr = priv->i2c_props.addr,
- .flags = I2C_M_RD, .buf = &bval[0], .len = 2 },
- };
-
- if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) {
- printk(KERN_WARNING "xc5000: I2C read failed\n");
- return -EREMOTEIO;
- }
-
- *val = (bval[0] << 8) | bval[1];
- return XC_RESULT_SUCCESS;
-}
static int xc5000_fwupload(struct dvb_frontend *fe)
{