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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2012-01-14 20:58:43 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2012-02-03 19:03:44 +0100
commitf8447d6c213273b444c81eaa2449f55510229d4f (patch)
treeb5d7bcb01c892cfdf2b00215e12d2ad10b1d4003
parent62aa2b537c6f5957afd98e29f96897419ed5ebab (diff)
downloaddrm-intel-f8447d6c213273b444c81eaa2449f55510229d4f.tar.gz
mfd: Store twl6040-codec mclk configuration
Store the last used mclk configuration for the PLL. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
-rw-r--r--drivers/mfd/twl6040-core.c3
-rw-r--r--include/linux/mfd/twl6040.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index dda86293dc9fc..c2088f4c45472 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 2463c2619596f..9bc9ac651dad9 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;