Messages in this thread | | | Date | Thu, 24 Jan 2013 15:07:46 +0100 | From | Wolfram Sang <> | Subject | Re: [PATCH] at24: extend driver to allow writing via i2c_smbus_write_byte_data |
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On Wed, Dec 19, 2012 at 05:07:09PM +0100, Christian Gmeiner wrote: > I have a at24 EEPROM connected via i2c bus provided by ISCH i2c > bus driver. This bus driver does not support > I2C_FUNC_SMBUS_WRITE_I2C_BLOCK and so I was looking for a way > to be able to write the eeprom. This patch adds support for > I2C_SMBUS_BYTE_DATA writing via i2c_smbus_write_byte_data. > It is quite slow, but it works. > > Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> > --- > drivers/misc/eeprom/at24.c | 35 +++++++++++++++++++++++++++++------ > 1 file changed, 29 insertions(+), 6 deletions(-) > > diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c > index 2baeec5..723b411 100644 > --- a/drivers/misc/eeprom/at24.c > +++ b/drivers/misc/eeprom/at24.c > @@ -56,6 +56,7 @@ struct at24_data { > struct at24_platform_data chip; > struct memory_accessor macc; > int use_smbus; > + int use_smbuse_write;
Can't you use the same 'use_smbus' variable and do a similar switch-case as in the read function?
Regards,
Wolfram
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