diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/nvidia/tegra/i2c.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra/i2c.c b/src/soc/nvidia/tegra/i2c.c index 26c2559d84..542d4f0fab 100644 --- a/src/soc/nvidia/tegra/i2c.c +++ b/src/soc/nvidia/tegra/i2c.c @@ -112,12 +112,14 @@ static int tegra_i2c_send_recv(int bus, int read, "%s: The address was not acknowledged.\n", __func__); info->reset_func(info->reset_bit); + i2c_init(bus); return -1; } else if (transfer_status & I2C_PKT_STATUS_NOACK_DATA) { printk(BIOS_ERR, "%s: The data was not acknowledged.\n", __func__); info->reset_func(info->reset_bit); + i2c_init(bus); return -1; } else if (transfer_status & I2C_PKT_STATUS_ARB_LOST) { printk(BIOS_ERR, @@ -128,6 +130,9 @@ static int tegra_i2c_send_recv(int bus, int read, /* Use Tegra bus clear registers to unlock SDA */ do_bus_clear(bus); + /* re-init i2c controller */ + i2c_init(bus); + /* Return w/error, let caller decide what to do */ return -1; } |