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i2c: algo-bit: add I2C_AQ_NO_CLK_STRETCH

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Add I2C_AQ_NO_CLK_STRETCH to drivers/i2c/algos/i2c-algo-bit.c when getscl
is not available.

Signed-off-by: Nicola Corna <nicola@corna.info>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Nicola Corna
2015-10-29 12:34:24 +01:00
committed by Wolfram Sang
parent 749de3dac5
commit a94d306b71
1 changed files with 6 additions and 0 deletions
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6
drivers/i2c/algos/i2c-algo-bit.c
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@@ -617,6 +617,10 @@ const struct i2c_algorithm i2c_bit_algo = {
}; };
EXPORT_SYMBOL(i2c_bit_algo); EXPORT_SYMBOL(i2c_bit_algo);
const struct i2c_adapter_quirks i2c_bit_quirk_no_clk_stretch = {
.flags = I2C_AQ_NO_CLK_STRETCH,
};
/* /*
* registering functions to load algorithms at runtime * registering functions to load algorithms at runtime
*/ */
@@ -635,6 +639,8 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
/* register new adapter to i2c module... */ /* register new adapter to i2c module... */
adap->algo = &i2c_bit_algo; adap->algo = &i2c_bit_algo;
adap->retries = 3; adap->retries = 3;
if (bit_adap->getscl == NULL)
adap->quirks = &i2c_bit_quirk_no_clk_stretch;
ret = add_adapter(adap); ret = add_adapter(adap);
if (ret < 0) if (ret < 0)