diff options
Diffstat (limited to 'drivers/media/video/cx231xx')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-i2c.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-i2c.c b/drivers/media/video/cx231xx/cx231xx-i2c.c index 835670623dfb..925f3a04e53c 100644 --- a/drivers/media/video/cx231xx/cx231xx-i2c.c +++ b/drivers/media/video/cx231xx/cx231xx-i2c.c @@ -54,6 +54,21 @@ do { \ } \ } while (0) +static inline bool is_tuner(struct cx231xx *dev, struct cx231xx_i2c *bus, + const struct i2c_msg *msg, int tuner_type) +{ + if (bus->nr != dev->board.tuner_i2c_master) + return false; + + if (msg->addr != dev->board.tuner_addr) + return false; + + if (dev->tuner_type != tuner_type) + return false; + + return true; +} + /* * cx231xx_i2c_send_bytes() */ @@ -71,9 +86,7 @@ int cx231xx_i2c_send_bytes(struct i2c_adapter *i2c_adap, u16 saddr = 0; u8 need_gpio = 0; - if ((bus->nr == 1) && (msg->addr == 0x61) - && (dev->tuner_type == TUNER_XC5000)) { - + if (is_tuner(dev, bus, msg, TUNER_XC5000)) { size = msg->len; if (size == 2) { /* register write sub addr */ @@ -180,9 +193,7 @@ static int cx231xx_i2c_recv_bytes(struct i2c_adapter *i2c_adap, u16 saddr = 0; u8 need_gpio = 0; - if ((bus->nr == 1) && (msg->addr == 0x61) - && dev->tuner_type == TUNER_XC5000) { - + if (is_tuner(dev, bus, msg, TUNER_XC5000)) { if (msg->len == 2) saddr = msg->buf[0] << 8 | msg->buf[1]; else if (msg->len == 1) @@ -274,9 +285,7 @@ static int cx231xx_i2c_recv_bytes_with_saddr(struct i2c_adapter *i2c_adap, else if (msg1->len == 1) saddr = msg1->buf[0]; - if ((bus->nr == 1) && (msg2->addr == 0x61) - && dev->tuner_type == TUNER_XC5000) { - + if (is_tuner(dev, bus, msg2, TUNER_XC5000)) { if ((msg2->len < 16)) { dprintk1(1, @@ -454,8 +463,8 @@ static char *i2c_devs[128] = { [0x32 >> 1] = "GeminiIII", [0x02 >> 1] = "Aquarius", [0xa0 >> 1] = "eeprom", - [0xc0 >> 1] = "tuner/XC3028", - [0xc2 >> 1] = "tuner/XC5000", + [0xc0 >> 1] = "tuner", + [0xc2 >> 1] = "tuner", }; /* |