MFD: twl6040: Add accessor for revision ID
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>
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index b0519e6..51c3b47 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -491,7 +491,7 @@
}
/* 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;
/* codec interrupt */
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 4c806f6..cb3b822 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -225,4 +225,9 @@
int twl6040_irq_init(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__ */