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drivers/misc/ad525x_dpot.c: new features

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Add support for AD5270, AD5271, AD5272, AD5274 digital potentiometers.
Add 20-TP feature for AD5291 and AD5292 parts, and update feature list.
AD5291 rdac read back must be shifted by two.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Chris Verges <chrisv@cyberswitching.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Hennerich
2010-10-26 14:22:36 -07:00
committed by Linus Torvalds
parent 5f400cf40f
commit a4bd394956
5 changed files with 123 additions and 14 deletions
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drivers/misc/ad525x_dpot-spi.c
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@@ -38,6 +38,8 @@ static const struct ad_dpot_id ad_dpot_spi_devlist[] = {
{.name = "ad8402", .devid = AD8402_ID},
{.name = "ad8403", .devid = AD8403_ID},
{.name = "adn2850", .devid = ADN2850_ID},
{.name = "ad5270", .devid = AD5270_ID},
{.name = "ad5271", .devid = AD5271_ID},
{}
};