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Subject[RESEND 1/2] MFD: twl6040-codec: Store mclk configuration
Date
Store the last used mclk configuration for the PLL.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/mfd/twl6040-core.c | 3 +++
include/linux/mfd/twl6040.h | 2 ++
2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index dda8629..c2088f4 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -282,6 +282,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
/* Default PLL configuration after power up */
twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL;
twl6040->sysclk = 19200000;
+ twl6040->mclk = 32768;
} else {
/* already powered-down */
if (!twl6040->power_count) {
@@ -305,6 +306,7 @@ int twl6040_power(struct twl6040 *twl6040, int on)
twl6040_power_down(twl6040);
}
twl6040->sysclk = 0;
+ twl6040->mclk = 0;
}

out:
@@ -421,6 +423,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
}

twl6040->sysclk = freq_out;
+ twl6040->mclk = freq_in;
twl6040->pll = pll_id;

pll_out:
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 2463c261..9bc9ac6 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -187,8 +187,10 @@ struct twl6040 {
int rev;
u8 vibra_ctrl_cache[2];

+ /* PLL configuration */
int pll;
unsigned int sysclk;
+ unsigned int mclk;

unsigned int irq;
unsigned int irq_base;
--
1.7.8.3


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