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[media] wl128x: fmdrv_tx: fix signedness bugs 

Message-Id: <1322820073-19347-4-git-send-email-xi.wang@gmail.com>

The error handling with (ret < 0) didn't work where ret is a u32.
Use int instead.  To be consistent we also change the functions to
return an int.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Xi Wang 2011-12-02 06:01:13 -03:00 коммит произвёл Mauro Carvalho Chehab
Родитель d24674c60b
Коммит 8cc20dd89c
2 изменённых файлов: 41 добавлений и 40 удалений
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61
drivers/media/radio/wl128x/fmdrv_tx.c
Просмотреть файл

@ -24,10 +24,10 @@
#include "fmdrv_common.h" #include "fmdrv_common.h"
#include "fmdrv_tx.h" #include "fmdrv_tx.h"
u32 fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode) int fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
if (fmdev->tx_data.aud_mode == mode) if (fmdev->tx_data.aud_mode == mode)
return 0; return 0;
@ -46,10 +46,10 @@ u32 fm_tx_set_stereo_mono(struct fmdev *fmdev, u16 mode)
return ret; return ret;
} }
static u32 set_rds_text(struct fmdev *fmdev, u8 *rds_text) static int set_rds_text(struct fmdev *fmdev, u8 *rds_text)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
ret = fmc_send_cmd(fmdev, RDS_DATA_SET, REG_WR, rds_text, ret = fmc_send_cmd(fmdev, RDS_DATA_SET, REG_WR, rds_text,
strlen(rds_text), NULL, NULL); strlen(rds_text), NULL, NULL);
@ -66,10 +66,10 @@ static u32 set_rds_text(struct fmdev *fmdev, u8 *rds_text)
return 0; return 0;
} }
static u32 set_rds_data_mode(struct fmdev *fmdev, u8 mode) static int set_rds_data_mode(struct fmdev *fmdev, u8 mode)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
/* Setting unique PI TODO: how unique? */ /* Setting unique PI TODO: how unique? */
payload = (u16)0xcafe; payload = (u16)0xcafe;
@ -89,10 +89,10 @@ static u32 set_rds_data_mode(struct fmdev *fmdev, u8 mode)
return 0; return 0;
} }
static u32 set_rds_len(struct fmdev *fmdev, u8 type, u16 len) static int set_rds_len(struct fmdev *fmdev, u8 type, u16 len)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
len |= type << 8; len |= type << 8;
payload = len; payload = len;
@ -105,10 +105,10 @@ static u32 set_rds_len(struct fmdev *fmdev, u8 type, u16 len)
return 0; return 0;
} }
u32 fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis) int fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
u8 rds_text[] = "Zoom2\n"; u8 rds_text[] = "Zoom2\n";
fmdbg("rds_en_dis:%d(E:%d, D:%d)\n", rds_en_dis, fmdbg("rds_en_dis:%d(E:%d, D:%d)\n", rds_en_dis,
@ -148,10 +148,10 @@ u32 fm_tx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis)
return 0; return 0;
} }
u32 fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type) int fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
if (fmdev->curr_fmmode != FM_MODE_TX) if (fmdev->curr_fmmode != FM_MODE_TX)
return -EPERM; return -EPERM;
@ -176,10 +176,10 @@ u32 fm_tx_set_radio_text(struct fmdev *fmdev, u8 *rds_text, u8 rds_type)
return 0; return 0;
} }
u32 fm_tx_set_af(struct fmdev *fmdev, u32 af) int fm_tx_set_af(struct fmdev *fmdev, u32 af)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
if (fmdev->curr_fmmode != FM_MODE_TX) if (fmdev->curr_fmmode != FM_MODE_TX)
return -EPERM; return -EPERM;
@ -196,10 +196,10 @@ u32 fm_tx_set_af(struct fmdev *fmdev, u32 af)
return 0; return 0;
} }
u32 fm_tx_set_region(struct fmdev *fmdev, u8 region) int fm_tx_set_region(struct fmdev *fmdev, u8 region)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
if (region != FM_BAND_EUROPE_US && region != FM_BAND_JAPAN) { if (region != FM_BAND_EUROPE_US && region != FM_BAND_JAPAN) {
fmerr("Invalid band\n"); fmerr("Invalid band\n");
@ -216,10 +216,10 @@ u32 fm_tx_set_region(struct fmdev *fmdev, u8 region)
return 0; return 0;
} }
u32 fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset) int fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
{ {
u16 payload; u16 payload;
u32 ret; int ret;
fmdbg("tx: mute mode %d\n", mute_mode_toset); fmdbg("tx: mute mode %d\n", mute_mode_toset);
@ -233,11 +233,11 @@ u32 fm_tx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset)
} }
/* Set TX Audio I/O */ /* Set TX Audio I/O */
static u32 set_audio_io(struct fmdev *fmdev) static int set_audio_io(struct fmdev *fmdev)
{ {
struct fmtx_data *tx = &fmdev->tx_data; struct fmtx_data *tx = &fmdev->tx_data;
u16 payload; u16 payload;
u32 ret; int ret;
/* Set Audio I/O Enable */ /* Set Audio I/O Enable */
payload = tx->audio_io; payload = tx->audio_io;
@ -251,12 +251,12 @@ static u32 set_audio_io(struct fmdev *fmdev)
} }
/* Start TX Transmission */ /* Start TX Transmission */
static u32 enable_xmit(struct fmdev *fmdev, u8 new_xmit_state) static int enable_xmit(struct fmdev *fmdev, u8 new_xmit_state)
{ {
struct fmtx_data *tx = &fmdev->tx_data; struct fmtx_data *tx = &fmdev->tx_data;
unsigned long timeleft; unsigned long timeleft;
u16 payload; u16 payload;
u32 ret; int ret;
/* Enable POWER_ENB interrupts */ /* Enable POWER_ENB interrupts */
payload = FM_POW_ENB_EVENT; payload = FM_POW_ENB_EVENT;
@ -289,11 +289,11 @@ static u32 enable_xmit(struct fmdev *fmdev, u8 new_xmit_state)
} }
/* Set TX power level */ /* Set TX power level */
u32 fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl) int fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl)
{ {
u16 payload; u16 payload;
struct fmtx_data *tx = &fmdev->tx_data; struct fmtx_data *tx = &fmdev->tx_data;
u32 ret; int ret;
if (fmdev->curr_fmmode != FM_MODE_TX) if (fmdev->curr_fmmode != FM_MODE_TX)
return -EPERM; return -EPERM;
@ -328,11 +328,11 @@ u32 fm_tx_set_pwr_lvl(struct fmdev *fmdev, u8 new_pwr_lvl)
* Sets FM TX pre-emphasis filter value (OFF, 50us, or 75us) * Sets FM TX pre-emphasis filter value (OFF, 50us, or 75us)
* Convert V4L2 specified filter values to chip specific filter values. * Convert V4L2 specified filter values to chip specific filter values.
*/ */
u32 fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis) int fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis)
{ {
struct fmtx_data *tx = &fmdev->tx_data; struct fmtx_data *tx = &fmdev->tx_data;
u16 payload; u16 payload;
u32 ret; int ret;
if (fmdev->curr_fmmode != FM_MODE_TX) if (fmdev->curr_fmmode != FM_MODE_TX)
return -EPERM; return -EPERM;
@ -360,10 +360,11 @@ u32 fm_tx_set_preemph_filter(struct fmdev *fmdev, u32 preemphasis)
} }
/* Get the TX tuning capacitor value.*/ /* Get the TX tuning capacitor value.*/
u32 fm_tx_get_tune_cap_val(struct fmdev *fmdev) int fm_tx_get_tune_cap_val(struct fmdev *fmdev)
{ {
u16 curr_val; u16 curr_val;
u32 ret, resp_len; u32 resp_len;
int ret;
if (fmdev->curr_fmmode != FM_MODE_TX) if (fmdev->curr_fmmode != FM_MODE_TX)
return -EPERM; return -EPERM;
@ -379,11 +380,11 @@ u32 fm_tx_get_tune_cap_val(struct fmdev *fmdev)
} }
/* Set TX Frequency */ /* Set TX Frequency */
u32 fm_tx_set_freq(struct fmdev *fmdev, u32 freq_to_set) int fm_tx_set_freq(struct fmdev *fmdev, u32 freq_to_set)
{ {
struct fmtx_data *tx = &fmdev->tx_data; struct fmtx_data *tx = &fmdev->tx_data;
u16 payload, chanl_index; u16 payload, chanl_index;
u32 ret; int ret;
if (test_bit(FM_CORE_TX_XMITING, &fmdev->flag)) { if (test_bit(FM_CORE_TX_XMITING, &fmdev->flag)) {
enable_xmit(fmdev, 0); enable_xmit(fmdev, 0);

20
drivers/media/radio/wl128x/fmdrv_tx.h
Просмотреть файл

@ -22,16 +22,16 @@
#ifndef _FMDRV_TX_H #ifndef _FMDRV_TX_H
#define _FMDRV_TX_H #define _FMDRV_TX_H
u32 fm_tx_set_freq(struct fmdev *, u32); int fm_tx_set_freq(struct fmdev *, u32);
u32 fm_tx_set_pwr_lvl(struct fmdev *, u8); int fm_tx_set_pwr_lvl(struct fmdev *, u8);
u32 fm_tx_set_region(struct fmdev *, u8); int fm_tx_set_region(struct fmdev *, u8);
u32 fm_tx_set_mute_mode(struct fmdev *, u8); int fm_tx_set_mute_mode(struct fmdev *, u8);
u32 fm_tx_set_stereo_mono(struct fmdev *, u16); int fm_tx_set_stereo_mono(struct fmdev *, u16);
u32 fm_tx_set_rds_mode(struct fmdev *, u8); int fm_tx_set_rds_mode(struct fmdev *, u8);
u32 fm_tx_set_radio_text(struct fmdev *, u8 *, u8); int fm_tx_set_radio_text(struct fmdev *, u8 *, u8);
u32 fm_tx_set_af(struct fmdev *, u32); int fm_tx_set_af(struct fmdev *, u32);
u32 fm_tx_set_preemph_filter(struct fmdev *, u32); int fm_tx_set_preemph_filter(struct fmdev *, u32);
u32 fm_tx_get_tune_cap_val(struct fmdev *); int fm_tx_get_tune_cap_val(struct fmdev *);
#endif #endif