diff options
author | Xi Wang <xi.wang@gmail.com> | 2011-12-02 09:01:12 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-30 19:01:38 (GMT) |
commit | d24674c60b6fe790a274d4936bcdc8c482bbd9fe (patch) | |
tree | 2fab29e7b61611bc9b1e82d0dcff6182f5a8b7f3 /drivers/media/radio | |
parent | a61278037b57b1d75467dcfeb255584d5f11743d (diff) | |
download | linux-d24674c60b6fe790a274d4936bcdc8c482bbd9fe.tar.xz |
[media] wl128x: fmdrv_rx: fix signedness bugs
Message-Id: <1322820073-19347-3-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>
Diffstat (limited to 'drivers/media/radio')
-rw-r--r-- | drivers/media/radio/wl128x/fmdrv_rx.c | 84 | ||||
-rw-r--r-- | drivers/media/radio/wl128x/fmdrv_rx.h | 50 |
2 files changed, 68 insertions, 66 deletions
diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c index ec529b5..43fb722 100644 --- a/drivers/media/radio/wl128x/fmdrv_rx.c +++ b/drivers/media/radio/wl128x/fmdrv_rx.c @@ -43,12 +43,13 @@ void fm_rx_reset_station_info(struct fmdev *fmdev) fmdev->rx.stat_info.af_list_max = 0; } -u32 fm_rx_set_freq(struct fmdev *fmdev, u32 freq) +int fm_rx_set_freq(struct fmdev *fmdev, u32 freq) { unsigned long timeleft; u16 payload, curr_frq, intr_flag; u32 curr_frq_in_khz; - u32 ret, resp_len; + u32 resp_len; + int ret; if (freq < fmdev->rx.region.bot_freq || freq > fmdev->rx.region.top_freq) { fmerr("Invalid frequency %d\n", freq); @@ -141,10 +142,10 @@ exit: return ret; } -static u32 fm_rx_set_channel_spacing(struct fmdev *fmdev, u32 spacing) +static int fm_rx_set_channel_spacing(struct fmdev *fmdev, u32 spacing) { u16 payload; - u32 ret; + int ret; if (spacing > 0 && spacing <= 50000) spacing = FM_CHANNEL_SPACING_50KHZ; @@ -165,7 +166,7 @@ static u32 fm_rx_set_channel_spacing(struct fmdev *fmdev, u32 spacing) return ret; } -u32 fm_rx_seek(struct fmdev *fmdev, u32 seek_upward, +int fm_rx_seek(struct fmdev *fmdev, u32 seek_upward, u32 wrap_around, u32 spacing) { u32 resp_len; @@ -173,7 +174,7 @@ u32 fm_rx_seek(struct fmdev *fmdev, u32 seek_upward, u16 payload, int_reason, intr_flag; u16 offset, space_idx; unsigned long timeleft; - u32 ret; + int ret; /* Set channel spacing */ ret = fm_rx_set_channel_spacing(fmdev, spacing); @@ -296,10 +297,10 @@ again: return ret; } -u32 fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set) +int fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set) { u16 payload; - u32 ret; + int ret; if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -322,7 +323,7 @@ u32 fm_rx_set_volume(struct fmdev *fmdev, u16 vol_to_set) } /* Get volume */ -u32 fm_rx_get_volume(struct fmdev *fmdev, u16 *curr_vol) +int fm_rx_get_volume(struct fmdev *fmdev, u16 *curr_vol) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -338,7 +339,7 @@ u32 fm_rx_get_volume(struct fmdev *fmdev, u16 *curr_vol) } /* To get current band's bottom and top frequency */ -u32 fm_rx_get_band_freq_range(struct fmdev *fmdev, u32 *bot_freq, u32 *top_freq) +int fm_rx_get_band_freq_range(struct fmdev *fmdev, u32 *bot_freq, u32 *top_freq) { if (bot_freq != NULL) *bot_freq = fmdev->rx.region.bot_freq; @@ -356,11 +357,11 @@ void fm_rx_get_region(struct fmdev *fmdev, u8 *region) } /* Sets band (0-Europe/US; 1-Japan) */ -u32 fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set) +int fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set) { u16 payload; u32 new_frq = 0; - u32 ret; + int ret; if (region_to_set != FM_BAND_EUROPE_US && region_to_set != FM_BAND_JAPAN) { @@ -399,7 +400,7 @@ u32 fm_rx_set_region(struct fmdev *fmdev, u8 region_to_set) } /* Reads current mute mode (Mute Off/On/Attenuate)*/ -u32 fm_rx_get_mute_mode(struct fmdev *fmdev, u8 *curr_mute_mode) +int fm_rx_get_mute_mode(struct fmdev *fmdev, u8 *curr_mute_mode) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -414,10 +415,10 @@ u32 fm_rx_get_mute_mode(struct fmdev *fmdev, u8 *curr_mute_mode) return 0; } -static u32 fm_config_rx_mute_reg(struct fmdev *fmdev) +static int fm_config_rx_mute_reg(struct fmdev *fmdev) { u16 payload, muteval; - u32 ret; + int ret; muteval = 0; switch (fmdev->rx.mute_mode) { @@ -448,10 +449,10 @@ static u32 fm_config_rx_mute_reg(struct fmdev *fmdev) } /* Configures mute mode (Mute Off/On/Attenuate) */ -u32 fm_rx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset) +int fm_rx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset) { u8 org_state; - u32 ret; + int ret; if (fmdev->rx.mute_mode == mute_mode_toset) return 0; @@ -469,7 +470,7 @@ u32 fm_rx_set_mute_mode(struct fmdev *fmdev, u8 mute_mode_toset) } /* Gets RF dependent soft mute mode enable/disable status */ -u32 fm_rx_get_rfdepend_softmute(struct fmdev *fmdev, u8 *curr_mute_mode) +int fm_rx_get_rfdepend_softmute(struct fmdev *fmdev, u8 *curr_mute_mode) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -485,10 +486,10 @@ u32 fm_rx_get_rfdepend_softmute(struct fmdev *fmdev, u8 *curr_mute_mode) } /* Sets RF dependent soft mute mode */ -u32 fm_rx_set_rfdepend_softmute(struct fmdev *fmdev, u8 rfdepend_mute) +int fm_rx_set_rfdepend_softmute(struct fmdev *fmdev, u8 rfdepend_mute) { u8 org_state; - u32 ret; + int ret; if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -514,11 +515,11 @@ u32 fm_rx_set_rfdepend_softmute(struct fmdev *fmdev, u8 rfdepend_mute) } /* Returns the signal strength level of current channel */ -u32 fm_rx_get_rssi_level(struct fmdev *fmdev, u16 *rssilvl) +int fm_rx_get_rssi_level(struct fmdev *fmdev, u16 *rssilvl) { u16 curr_rssi_lel; u32 resp_len; - u32 ret; + int ret; if (rssilvl == NULL) { fmerr("Invalid memory\n"); @@ -539,10 +540,10 @@ u32 fm_rx_get_rssi_level(struct fmdev *fmdev, u16 *rssilvl) * Sets the signal strength level that once reached * will stop the auto search process */ -u32 fm_rx_set_rssi_threshold(struct fmdev *fmdev, short rssi_lvl_toset) +int fm_rx_set_rssi_threshold(struct fmdev *fmdev, short rssi_lvl_toset) { u16 payload; - u32 ret; + int ret; if (rssi_lvl_toset < FM_RX_RSSI_THRESHOLD_MIN || rssi_lvl_toset > FM_RX_RSSI_THRESHOLD_MAX) { @@ -561,7 +562,7 @@ u32 fm_rx_set_rssi_threshold(struct fmdev *fmdev, short rssi_lvl_toset) } /* Returns current RX RSSI threshold value */ -u32 fm_rx_get_rssi_threshold(struct fmdev *fmdev, short *curr_rssi_lvl) +int fm_rx_get_rssi_threshold(struct fmdev *fmdev, short *curr_rssi_lvl) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -577,10 +578,10 @@ u32 fm_rx_get_rssi_threshold(struct fmdev *fmdev, short *curr_rssi_lvl) } /* Sets RX stereo/mono modes */ -u32 fm_rx_set_stereo_mono(struct fmdev *fmdev, u16 mode) +int fm_rx_set_stereo_mono(struct fmdev *fmdev, u16 mode) { u16 payload; - u32 ret; + int ret; if (mode != FM_STEREO_MODE && mode != FM_MONO_MODE) { fmerr("Invalid mode\n"); @@ -605,10 +606,11 @@ u32 fm_rx_set_stereo_mono(struct fmdev *fmdev, u16 mode) } /* Gets current RX stereo/mono mode */ -u32 fm_rx_get_stereo_mono(struct fmdev *fmdev, u16 *mode) +int fm_rx_get_stereo_mono(struct fmdev *fmdev, u16 *mode) { u16 curr_mode; - u32 ret, resp_len; + u32 resp_len; + int ret; if (mode == NULL) { fmerr("Invalid memory\n"); @@ -626,10 +628,10 @@ u32 fm_rx_get_stereo_mono(struct fmdev *fmdev, u16 *mode) } /* Choose RX de-emphasis filter mode (50us/75us) */ -u32 fm_rx_set_deemphasis_mode(struct fmdev *fmdev, u16 mode) +int fm_rx_set_deemphasis_mode(struct fmdev *fmdev, u16 mode) { u16 payload; - u32 ret; + int ret; if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -652,7 +654,7 @@ u32 fm_rx_set_deemphasis_mode(struct fmdev *fmdev, u16 mode) } /* Gets current RX de-emphasis filter mode */ -u32 fm_rx_get_deemph_mode(struct fmdev *fmdev, u16 *curr_deemphasis_mode) +int fm_rx_get_deemph_mode(struct fmdev *fmdev, u16 *curr_deemphasis_mode) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -668,10 +670,10 @@ u32 fm_rx_get_deemph_mode(struct fmdev *fmdev, u16 *curr_deemphasis_mode) } /* Enable/Disable RX RDS */ -u32 fm_rx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis) +int fm_rx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis) { u16 payload; - u32 ret; + int ret; if (rds_en_dis != FM_RDS_ENABLE && rds_en_dis != FM_RDS_DISABLE) { fmerr("Invalid rds option\n"); @@ -743,7 +745,7 @@ u32 fm_rx_set_rds_mode(struct fmdev *fmdev, u8 rds_en_dis) } /* Returns current RX RDS enable/disable status */ -u32 fm_rx_get_rds_mode(struct fmdev *fmdev, u8 *curr_rds_en_dis) +int fm_rx_get_rds_mode(struct fmdev *fmdev, u8 *curr_rds_en_dis) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -759,10 +761,10 @@ u32 fm_rx_get_rds_mode(struct fmdev *fmdev, u8 *curr_rds_en_dis) } /* Sets RDS operation mode (RDS/RDBS) */ -u32 fm_rx_set_rds_system(struct fmdev *fmdev, u8 rds_mode) +int fm_rx_set_rds_system(struct fmdev *fmdev, u8 rds_mode) { u16 payload; - u32 ret; + int ret; if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -784,7 +786,7 @@ u32 fm_rx_set_rds_system(struct fmdev *fmdev, u8 rds_mode) } /* Returns current RDS operation mode */ -u32 fm_rx_get_rds_system(struct fmdev *fmdev, u8 *rds_mode) +int fm_rx_get_rds_system(struct fmdev *fmdev, u8 *rds_mode) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -800,10 +802,10 @@ u32 fm_rx_get_rds_system(struct fmdev *fmdev, u8 *rds_mode) } /* Configures Alternate Frequency switch mode */ -u32 fm_rx_set_af_switch(struct fmdev *fmdev, u8 af_mode) +int fm_rx_set_af_switch(struct fmdev *fmdev, u8 af_mode) { u16 payload; - u32 ret; + int ret; if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; @@ -831,7 +833,7 @@ u32 fm_rx_set_af_switch(struct fmdev *fmdev, u8 af_mode) } /* Returns Alternate Frequency switch status */ -u32 fm_rx_get_af_switch(struct fmdev *fmdev, u8 *af_mode) +int fm_rx_get_af_switch(struct fmdev *fmdev, u8 *af_mode) { if (fmdev->curr_fmmode != FM_MODE_RX) return -EPERM; diff --git a/drivers/media/radio/wl128x/fmdrv_rx.h b/drivers/media/radio/wl128x/fmdrv_rx.h index 329e62f..32add81 100644 --- a/drivers/media/radio/wl128x/fmdrv_rx.h +++ b/drivers/media/radio/wl128x/fmdrv_rx.h @@ -22,38 +22,38 @@ #ifndef _FMDRV_RX_H #define _FMDRV_RX_H -u32 fm_rx_set_freq(struct fmdev *, u32); -u32 fm_rx_set_mute_mode(struct fmdev *, u8); -u32 fm_rx_set_stereo_mono(struct fmdev *, u16); -u32 fm_rx_set_rds_mode(struct fmdev *, u8); -u32 fm_rx_set_rds_system(struct fmdev *, u8); -u32 fm_rx_set_volume(struct fmdev *, u16); -u32 fm_rx_set_rssi_threshold(struct fmdev *, short); -u32 fm_rx_set_region(struct fmdev *, u8); -u32 fm_rx_set_rfdepend_softmute(struct fmdev *, u8); -u32 fm_rx_set_deemphasis_mode(struct fmdev *, u16); -u32 fm_rx_set_af_switch(struct fmdev *, u8); +int fm_rx_set_freq(struct fmdev *, u32); +int fm_rx_set_mute_mode(struct fmdev *, u8); +int fm_rx_set_stereo_mono(struct fmdev *, u16); +int fm_rx_set_rds_mode(struct fmdev *, u8); +int fm_rx_set_rds_system(struct fmdev *, u8); +int fm_rx_set_volume(struct fmdev *, u16); +int fm_rx_set_rssi_threshold(struct fmdev *, short); +int fm_rx_set_region(struct fmdev *, u8); +int fm_rx_set_rfdepend_softmute(struct fmdev *, u8); +int fm_rx_set_deemphasis_mode(struct fmdev *, u16); +int fm_rx_set_af_switch(struct fmdev *, u8); void fm_rx_reset_rds_cache(struct fmdev *); void fm_rx_reset_station_info(struct fmdev *); -u32 fm_rx_seek(struct fmdev *, u32, u32, u32); +int fm_rx_seek(struct fmdev *, u32, u32, u32); -u32 fm_rx_get_rds_mode(struct fmdev *, u8 *); -u32 fm_rx_get_rds_system(struct fmdev *, u8 *); -u32 fm_rx_get_mute_mode(struct fmdev *, u8 *); -u32 fm_rx_get_volume(struct fmdev *, u16 *); -u32 fm_rx_get_band_freq_range(struct fmdev *, +int fm_rx_get_rds_mode(struct fmdev *, u8 *); +int fm_rx_get_rds_system(struct fmdev *, u8 *); +int fm_rx_get_mute_mode(struct fmdev *, u8 *); +int fm_rx_get_volume(struct fmdev *, u16 *); +int fm_rx_get_band_freq_range(struct fmdev *, u32 *, u32 *); -u32 fm_rx_get_stereo_mono(struct fmdev *, u16 *); -u32 fm_rx_get_rssi_level(struct fmdev *, u16 *); -u32 fm_rx_get_rssi_threshold(struct fmdev *, short *); -u32 fm_rx_get_rfdepend_softmute(struct fmdev *, u8 *); -u32 fm_rx_get_deemph_mode(struct fmdev *, u16 *); -u32 fm_rx_get_af_switch(struct fmdev *, u8 *); +int fm_rx_get_stereo_mono(struct fmdev *, u16 *); +int fm_rx_get_rssi_level(struct fmdev *, u16 *); +int fm_rx_get_rssi_threshold(struct fmdev *, short *); +int fm_rx_get_rfdepend_softmute(struct fmdev *, u8 *); +int fm_rx_get_deemph_mode(struct fmdev *, u16 *); +int fm_rx_get_af_switch(struct fmdev *, u8 *); void fm_rx_get_region(struct fmdev *, u8 *); -u32 fm_rx_set_chanl_spacing(struct fmdev *, u8); -u32 fm_rx_get_chanl_spacing(struct fmdev *, u8 *); +int fm_rx_set_chanl_spacing(struct fmdev *, u8); +int fm_rx_get_chanl_spacing(struct fmdev *, u8 *); #endif |