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3 Commits

Author SHA1 Message Date
Michael Hennerich
16ea10a7d5 Input: ad7879 - use i2c_smbus_read_i2c_block_data() to lower overhead 
Avoid additional addressing overhead incurred by word_data transfers.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2010-07-03 13:13:19 -07:00
Dmitry Torokhov
14fbbc36d1 Input: ad7879 - add open and close methods 
Tested-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2010-07-03 13:13:14 -07:00
Mike Frysinger
4397c98a8a Input: ad7879 - split bus logic out 
The ad7879 driver is using the old bus method of only supporting one
at a time (I2C or SPI). So refactor it like the other input drivers
that support multiple busses simultaneously.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
 2010-07-03 13:13:03 -07:00