diff options
Diffstat (limited to 'drivers/media/video/au0828/au0828-cards.c')
| -rw-r--r-- | drivers/media/video/au0828/au0828-cards.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c index 1aabaa7e55bb..abba48b154c5 100644 --- a/drivers/media/video/au0828/au0828-cards.c +++ b/drivers/media/video/au0828/au0828-cards.c @@ -46,6 +46,7 @@ struct au0828_board au0828_boards[] = { .name = "Hauppauge HVR850", .tuner_type = TUNER_XC5000, .tuner_addr = 0x61, + .i2c_clk_divider = AU0828_I2C_CLK_30KHZ, .input = { { .type = AU0828_VMUX_TELEVISION, @@ -70,6 +71,13 @@ struct au0828_board au0828_boards[] = { .name = "Hauppauge HVR950Q", .tuner_type = TUNER_XC5000, .tuner_addr = 0x61, + /* The au0828 hardware i2c implementation does not properly + support the xc5000's i2c clock stretching. So we need to + lower the clock frequency enough where the 15us clock + stretch fits inside of a normal clock cycle, or else the + au0828 fails to set the STOP bit. A 30 KHz clock puts the + clock pulse width at 18us */ + .i2c_clk_divider = AU0828_I2C_CLK_30KHZ, .input = { { .type = AU0828_VMUX_TELEVISION, @@ -94,16 +102,19 @@ struct au0828_board au0828_boards[] = { .name = "Hauppauge HVR950Q rev xxF8", .tuner_type = UNSET, .tuner_addr = ADDR_UNSET, + .i2c_clk_divider = AU0828_I2C_CLK_250KHZ, }, [AU0828_BOARD_DVICO_FUSIONHDTV7] = { .name = "DViCO FusionHDTV USB", .tuner_type = UNSET, .tuner_addr = ADDR_UNSET, + .i2c_clk_divider = AU0828_I2C_CLK_250KHZ, }, [AU0828_BOARD_HAUPPAUGE_WOODBURY] = { .name = "Hauppauge Woodbury", .tuner_type = UNSET, .tuner_addr = ADDR_UNSET, + .i2c_clk_divider = AU0828_I2C_CLK_250KHZ, }, }; |