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(parent: b9cdad7) | patch
i2c/tsl2550: Speed up initialization
authorJean Delvare <khali@linux-fr.org>
Thu, 12 Jul 2007 12:12:31 +0000 (14:12 +0200)
committerJean Delvare <khali@hyperion.delvare>
Thu, 12 Jul 2007 12:12:31 +0000 (14:12 +0200)
commite296fb7f301f3c3398adc6d991b097cfa73e1c0c
tree8eb4fe324010c0bcd11e590334c69c224ad034adtree | snapshot
parentb9cdad74883a797952de52464d118d685cafc05acommit | diff
i2c/tsl2550: Speed up initialization

There's some redundancy in the tsl2550 initialization sequence. It is
powering up the device twice, and setting the operating mode twice
too. Setting things just once saves SMBus transactions, which aren't
always cheap, speeding up the device initialization.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Rodolfo Giometti <giometti@linux.it>
drivers/i2c/chips/tsl2550.c diff | blob | history
Linux kernel for KaRo TX COM modules