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path: root/drivers/media/tuners/mt2063.c
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Diffstat (limited to 'drivers/media/tuners/mt2063.c')
-rw-r--r--drivers/media/tuners/mt2063.c44
1 files changed, 20 insertions, 24 deletions
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 0ed9091ff48e..2e1a02e360ff 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -245,7 +245,7 @@ struct mt2063_state {
/*
* mt2063_write - Write data into the I2C bus
*/
-static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
+static int mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
{
struct dvb_frontend *fe = state->frontend;
int ret;
@@ -277,9 +277,9 @@ static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len)
/*
* mt2063_write - Write register data into the I2C bus, caching the value
*/
-static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
+static int mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
{
- u32 status;
+ int status;
dprintk(2, "\n");
@@ -298,10 +298,10 @@ static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val)
/*
* mt2063_read - Read data from the I2C bus
*/
-static u32 mt2063_read(struct mt2063_state *state,
+static int mt2063_read(struct mt2063_state *state,
u8 subAddress, u8 *pData, u32 cnt)
{
- u32 status = 0; /* Status to be returned */
+ int status = 0; /* Status to be returned */
struct dvb_frontend *fe = state->frontend;
u32 i = 0;
@@ -816,7 +816,7 @@ static u32 IsSpurInBand(struct MT2063_AvoidSpursData_t *pAS_Info,
*/
static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
{
- u32 status = 0;
+ int status = 0;
u32 fm, fp; /* restricted range on LO's */
pAS_Info->bSpurAvoided = 0;
pAS_Info->nSpursFound = 0;
@@ -935,14 +935,14 @@ static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info)
*
* This function returns 0, if no lock, 1 if locked and a value < 1 if error
*/
-static unsigned int mt2063_lockStatus(struct mt2063_state *state)
+static int mt2063_lockStatus(struct mt2063_state *state)
{
const u32 nMaxWait = 100; /* wait a maximum of 100 msec */
const u32 nPollRate = 2; /* poll status bits every 2 ms */
const u32 nMaxLoops = nMaxWait / nPollRate;
const u8 LO1LK = 0x80;
u8 LO2LK = 0x08;
- u32 status;
+ int status;
u32 nDelays = 0;
dprintk(2, "\n");
@@ -1069,7 +1069,7 @@ static u32 mt2063_get_dnc_output_enable(struct mt2063_state *state,
static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
enum MT2063_DNC_Output_Enable nValue)
{
- u32 status = 0; /* Status to be returned */
+ int status = 0; /* Status to be returned */
u8 val = 0;
dprintk(2, "\n");
@@ -1203,7 +1203,7 @@ static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state,
static u32 MT2063_SetReceiverMode(struct mt2063_state *state,
enum mt2063_delivery_sys Mode)
{
- u32 status = 0; /* Status to be returned */
+ int status = 0; /* Status to be returned */
u8 val;
u32 longval;
@@ -1345,7 +1345,7 @@ static u32 MT2063_SetReceiverMode(struct mt2063_state *state,
static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state,
enum MT2063_Mask_Bits Bits)
{
- u32 status = 0;
+ int status = 0;
dprintk(2, "\n");
Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */
@@ -1374,7 +1374,7 @@ static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state,
*/
static u32 MT2063_SoftwareShutdown(struct mt2063_state *state, u8 Shutdown)
{
- u32 status;
+ int status;
dprintk(2, "\n");
if (Shutdown == 1)
@@ -1540,7 +1540,7 @@ static u32 FindClearTuneFilter(struct mt2063_state *state, u32 f_in)
static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in)
{ /* RF input center frequency */
- u32 status = 0;
+ int status = 0;
u32 LO1; /* 1st LO register value */
u32 Num1; /* Numerator for LO1 reg. value */
u32 f_IF1; /* 1st IF requested */
@@ -1803,7 +1803,7 @@ static const u8 MT2063B3_defaults[] = {
static int mt2063_init(struct dvb_frontend *fe)
{
- u32 status;
+ int status;
struct mt2063_state *state = fe->tuner_priv;
u8 all_resets = 0xF0; /* reset/load bits */
const u8 *def = NULL;
@@ -2249,8 +2249,8 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
dprintk(2, "\n");
state = kzalloc(sizeof(struct mt2063_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
+ if (!state)
+ return NULL;
state->config = config;
state->i2c = i2c;
@@ -2261,18 +2261,15 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
printk(KERN_INFO "%s: Attaching MT2063\n", __func__);
return fe;
-
-error:
- kfree(state);
- return NULL;
}
EXPORT_SYMBOL_GPL(mt2063_attach);
+#if 0
/*
* Ancillary routines visible outside mt2063
* FIXME: Remove them in favor of using standard tuner callbacks
*/
-unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
+static int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
{
struct mt2063_state *state = fe->tuner_priv;
int err = 0;
@@ -2285,9 +2282,8 @@ unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe)
return err;
}
-EXPORT_SYMBOL_GPL(tuner_MT2063_SoftwareShutdown);
-unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
+static int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
{
struct mt2063_state *state = fe->tuner_priv;
int err = 0;
@@ -2300,7 +2296,7 @@ unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe)
return err;
}
-EXPORT_SYMBOL_GPL(tuner_MT2063_ClearPowerMaskBits);
+#endif
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
MODULE_DESCRIPTION("MT2063 Silicon tuner");
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-25 00:28:23 +0300