--- arch/arm/mach-msm/acpuclock-scorpion.c

+++ arch/arm/mach-msm/acpuclock-scorpion.c

@@ -522,3 +522,41 @@ void __init msm_acpu_clock_init(struct m

clk_set_rate(drv_state.clk_ebi1, drv_state.current_speed->axiclk_khz * 1000);

#endif

}

+

+#ifdef CONFIG_CPU_FREQ_VDD_LEVELS

+

+ssize_t acpuclk_get_vdd_levels_str(char *buf)

+{

+ int i, len = 0;

+ if (buf)

+ {

+ mutex_lock(&drv_state.lock);

+ for (i = 0; acpu_freq_tbl[i].acpu_khz; i++)

+ {

+ if (freq_table[i].frequency != CPUFREQ_ENTRY_INVALID)

+ len += sprintf(buf + len, "%8u: %4d\n", acpu_freq_tbl[i].acpu_khz, acpu_freq_tbl[i].vdd);

+ }

+ mutex_unlock(&drv_state.lock);

+ }

+ return len;

+}

+

+void acpuclk_set_vdd(unsigned acpu_khz, int vdd)

+{

+ int i;

+ vdd = vdd / 25 * 25; //! regulator only accepts multiples of 25 (mV)

+ mutex_lock(&drv_state.lock);

+ for (i = 0; acpu_freq_tbl[i].acpu_khz; i++)

+ {

+ if (freq_table[i].frequency != CPUFREQ_ENTRY_INVALID)

+ {

+ if (acpu_khz == 0)

+ acpu_freq_tbl[i].vdd = min(max((acpu_freq_tbl[i].vdd + vdd), CONFIG_CPU_FREQ_VDD_LEVELS_MIN), CONFIG_CPU_FREQ_VDD_LEVELS_MAX);

+ else if (acpu_freq_tbl[i].acpu_khz == acpu_khz)

+ acpu_freq_tbl[i].vdd = min(max(vdd, CONFIG_CPU_FREQ_VDD_LEVELS_MIN), CONFIG_CPU_FREQ_VDD_LEVELS_MAX);

+ }

+ }

+ mutex_unlock(&drv_state.lock);

+}

+

+#endif