diff options
| author | Steve Markgraf <steve@steve-m.de> | 2013-01-16 01:43:45 +0100 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2013-01-16 01:43:45 +0100 |
| commit | 84f0a9084bb944c0cd36289a462978054e93ca35 (patch) | |
| tree | 701a76fa562a1e07dd3e253d3cd86c3c80774abd /src | |
| parent | 3087e7acdee6e011713885bc851b96209d38c736 (diff) | |
lib: enable standby mode of e4k and r820t on exit
Since the R820T is a power hog and gets quite hot,
this makes sense, especially when being battery-
powered.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/librtlsdr.c | 10 | ||||
| -rw-r--r-- | src/tuner_e4k.c | 13 | ||||
| -rw-r--r-- | src/tuner_r820t.c | 2 |
3 files changed, 21 insertions, 4 deletions
diff --git a/src/librtlsdr.c b/src/librtlsdr.c index 95dc22e..8f20023 100644 --- a/src/librtlsdr.c +++ b/src/librtlsdr.c @@ -101,7 +101,10 @@ int e4000_init(void *dev) { devt->e4k_s.rtl_dev = dev; return e4k_init(&devt->e4k_s); } -int e4000_exit(void *dev) { return 0; } +int e4000_exit(void *dev) { + rtlsdr_dev_t* devt = (rtlsdr_dev_t*)dev; + return e4k_standby(&devt->e4k_s, 1); +} int e4000_set_freq(void *dev, uint32_t freq) { rtlsdr_dev_t* devt = (rtlsdr_dev_t*)dev; return e4k_tune_freq(&devt->e4k_s, freq); @@ -177,7 +180,7 @@ int r820t_init(void *dev) { r820t_SetStandardMode(dev, DVB_T_6M); return r; } -int r820t_exit(void *dev) { return 0; } +int r820t_exit(void *dev) { return r820t_SetStandby(dev, 0); } int r820t_set_freq(void *dev, uint32_t freq) { return r820t_SetRfFreqHz(dev, freq); } int r820t_set_bw(void *dev, int bw) { return 0; } int r820t_set_gain(void *dev, int gain) { return R828_SetRfGain(dev, gain); } @@ -360,7 +363,8 @@ uint8_t rtlsdr_i2c_read_reg(rtlsdr_dev_t *dev, uint8_t i2c_addr, uint8_t reg) /* TODO clean this up again */ int e4k_reg_write(struct e4k_state *e4k, uint8_t reg, uint8_t val) { - return rtlsdr_i2c_write_reg((rtlsdr_dev_t*)e4k->rtl_dev, e4k->i2c_addr, reg, val);} + return rtlsdr_i2c_write_reg((rtlsdr_dev_t*)e4k->rtl_dev, e4k->i2c_addr, reg, val); +} uint8_t e4k_reg_read(struct e4k_state *e4k, uint8_t reg) { diff --git a/src/tuner_e4k.c b/src/tuner_e4k.c index 0232f88..47fe4fe 100644 --- a/src/tuner_e4k.c +++ b/src/tuner_e4k.c @@ -881,6 +881,19 @@ int e4k_dc_offset_gen_table(struct e4k_state *e4k) } /*********************************************************************** + * Standby */ + +/*! \brief Enable/disable standby mode + */ +int e4k_standby(struct e4k_state *e4k, int enable) +{ + e4k_reg_set_mask(e4k, E4K_REG_MASTER1, E4K_MASTER1_NORM_STBY, + enable ? 0 : E4K_MASTER1_NORM_STBY); + + return 0; +} + +/*********************************************************************** * Initialization */ static int magic_init(struct e4k_state *e4k) diff --git a/src/tuner_r820t.c b/src/tuner_r820t.c index fd3188d..5f241df 100644 --- a/src/tuner_r820t.c +++ b/src/tuner_r820t.c @@ -2896,7 +2896,7 @@ R828_ErrCode R828_Standby(void *pTuner, R828_LoopThrough_Type R828_LoopSwitch) return RT_Fail; R828_I2C.RegAddr = 0x0F; - R828_I2C.Data = 0x78; + R828_I2C.Data = 0x68; /* was 0x78, which turns off CLK_Out */ if(I2C_Write(pTuner, &R828_I2C) != RT_Success) return RT_Fail; |