andrea venturi aventuri
aventuri
/ gist:72bb355da22491beba03cc4d36e12e46
Created
August 30, 2017 12:45
A20 quick patch for I2C bus recovery when SDA stuck (9 clock ticks technique)
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| diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c | |
| index 30059c1..2eb357e 100644 | |
| --- a/drivers/i2c/busses/i2c-mv64xxx.c | |
| +++ b/drivers/i2c/busses/i2c-mv64xxx.c | |
| @@ -80,6 +80,15 @@ | |
| /* Bridge Status values */ | |
| #define MV64XXX_I2C_BRIDGE_STATUS_ERROR BIT(0) | |
| +/* sun4i TWI LCR register */ | |
| +#define SUN4I_I2C_LCR_REG 0x20 |