diff options
| -rw-r--r-- | drivers/media/video/au0828/au0828-i2c.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/video/au0828/au0828-i2c.c b/drivers/media/video/au0828/au0828-i2c.c index 05c299f..d454555 100644 --- a/drivers/media/video/au0828/au0828-i2c.c +++ b/drivers/media/video/au0828/au0828-i2c.c @@ -26,7 +26,7 @@ #include <linux/io.h> #include "au0828.h" - +#include "media/tuner.h" #include <media/v4l2-common.h> static int i2c_scan; @@ -147,8 +147,18 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, au0828_write(dev, AU0828_I2C_MULTIBYTE_MODE_2FF, 0x01); /* Set the I2C clock */ - au0828_write(dev, AU0828_I2C_CLK_DIVIDER_202, - dev->board.i2c_clk_divider); + if ((dev->board.tuner_type == TUNER_XC5000) && + (dev->board.tuner_addr == msg->addr) && + (msg->len == 64)) { + /* Hack to speed up firmware load. The xc5000 lets us do up + to 400 KHz when in firmware download mode */ + au0828_write(dev, AU0828_I2C_CLK_DIVIDER_202, + AU0828_I2C_CLK_250KHZ); + } else { + /* Use the i2c clock speed in the board configuration */ + au0828_write(dev, AU0828_I2C_CLK_DIVIDER_202, + dev->board.i2c_clk_divider); + } /* Hardware needs 8 bit addresses */ au0828_write(dev, AU0828_I2C_DEST_ADDR_203, msg->addr << 1); |