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>

diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index dda8629..c2088f4 100644 (file)
--- 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 2463c26..9bc9ac6 100644 (file)
--- 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;