diff options
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/isl6421.c | 28 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/isl6421.h | 4 |
2 files changed, 29 insertions, 3 deletions
diff --git a/drivers/media/dvb-frontends/isl6421.c b/drivers/media/dvb-frontends/isl6421.c index 0cb3f0f74c9c..c77002fcc8e2 100644 --- a/drivers/media/dvb-frontends/isl6421.c +++ b/drivers/media/dvb-frontends/isl6421.c @@ -89,6 +89,30 @@ static int isl6421_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) return (i2c_transfer(isl6421->i2c, &msg, 1) == 1) ? 0 : -EIO; } +static int isl6421_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) +{ + struct isl6421 *isl6421 = (struct isl6421 *) fe->sec_priv; + struct i2c_msg msg = { .addr = isl6421->i2c_addr, .flags = 0, + .buf = &isl6421->config, + .len = sizeof(isl6421->config) }; + + switch (tone) { + case SEC_TONE_ON: + isl6421->config |= ISL6421_ENT1; + break; + case SEC_TONE_OFF: + isl6421->config &= ~ISL6421_ENT1; + break; + default: + return -EINVAL; + } + + isl6421->config |= isl6421->override_or; + isl6421->config &= isl6421->override_and; + + return (i2c_transfer(isl6421->i2c, &msg, 1) == 1) ? 0 : -EIO; +} + static void isl6421_release(struct dvb_frontend *fe) { /* power off */ @@ -100,7 +124,7 @@ static void isl6421_release(struct dvb_frontend *fe) } struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, - u8 override_set, u8 override_clear) + u8 override_set, u8 override_clear, bool override_tone) { struct isl6421 *isl6421 = kmalloc(sizeof(struct isl6421), GFP_KERNEL); if (!isl6421) @@ -131,6 +155,8 @@ struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter /* override frontend ops */ fe->ops.set_voltage = isl6421_set_voltage; fe->ops.enable_high_lnb_voltage = isl6421_enable_high_lnb_voltage; + if (override_tone) + fe->ops.set_tone = isl6421_set_tone; return fe; } diff --git a/drivers/media/dvb-frontends/isl6421.h b/drivers/media/dvb-frontends/isl6421.h index e7ca7d12b50a..630e7f8a150e 100644 --- a/drivers/media/dvb-frontends/isl6421.h +++ b/drivers/media/dvb-frontends/isl6421.h @@ -42,10 +42,10 @@ #if IS_ENABLED(CONFIG_DVB_ISL6421) /* override_set and override_clear control which system register bits (above) to always set & clear */ extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, - u8 override_set, u8 override_clear); + u8 override_set, u8 override_clear, bool override_tone); #else static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, - u8 override_set, u8 override_clear) + u8 override_set, u8 override_clear, bool override_tone) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; |