mfd: Store twl6040-codec mclk configuration
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Sat, 14 Jan 2012 19:58:43 +0000 (20:58 +0100)
committerSamuel Ortiz <sameo@linux.intel.com>
Fri, 3 Feb 2012 18:03:44 +0000 (19:03 +0100)
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>
drivers/mfd/twl6040-core.c
include/linux/mfd/twl6040.h

index dda86293dc9fc0a3f8baaf678591d764824cfe14..c2088f4c45472bfc46c2b921e695ede541220ef0 100644 (file)
@@ -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:
index 2463c2619596fab1667b1ca1c5365c5963bf29ea..9bc9ac651dad9bf2be544961c18e06fd1bfbd119 100644 (file)
@@ -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;