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ASoC: kirkwood-i2s: fix DCO lock detection 

This is part of a patch found in Rabeeh Khoury's git tree for the
cubox, which is further attributed to Sebastian Hesselbrath.

Rather than masking the KIRKWOOD_DCO_SPCR_STATUS register contents
against the registers virtual address, let's actually use the bit
definition for the locked status, as required in the documentation.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Russell King 2012-11-20 12:18:32 +00:00 committed by Mark Brown
parent 25ec6bbb63
commit 2424d45810
1 changed files with 1 additions and 1 deletions
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2
sound/soc/kirkwood/kirkwood-i2s.c
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@ -95,7 +95,7 @@ static inline void kirkwood_set_dco(void __iomem *io, unsigned long rate)
do {
cpu_relax();
value = readl(io + KIRKWOOD_DCO_SPCR_STATUS);
value &= KIRKWOOD_DCO_SPCR_STATUS;
value &= KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK;
} while (value == 0);
}