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MFD: twl6040: Add accessor for revision ID

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For client driver to use, if they need chip resvision information.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2011-09-15 15:39:24 +03:00 committed by Mark Brown
parent 2d7c957e2e
commit a69882aec3
2 changed files with 6 additions and 1 deletions
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2
drivers/mfd/twl6040-core.c
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@ -491,7 +491,7 @@ static int __devinit twl6040_probe(struct platform_device *pdev)
} }
/* ERRATA: Automatic power-up is not possible in ES1.0 */ /* ERRATA: Automatic power-up is not possible in ES1.0 */
if (twl6040->rev == TWL6040_REV_ES1_0) if (twl6040_get_revid(twl6040) == TWL6040_REV_ES1_0)
twl6040->audpwron = -EINVAL; twl6040->audpwron = -EINVAL;
/* codec interrupt */ /* codec interrupt */

5
include/linux/mfd/twl6040.h
View File

@ -225,4 +225,9 @@ unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
int twl6040_irq_init(struct twl6040 *twl6040); int twl6040_irq_init(struct twl6040 *twl6040);
void twl6040_irq_exit(struct twl6040 *twl6040); void twl6040_irq_exit(struct twl6040 *twl6040);
static inline int twl6040_get_revid(struct twl6040 *twl6040)
{
return twl6040->rev;
}
#endif /* End of __TWL6040_CODEC_H__ */ #endif /* End of __TWL6040_CODEC_H__ */