--- arch/arm/mach-msm/acpuclock-8x60.c

+++ arch/arm/mach-msm/acpuclock-8x60.c

@@ -889,3 +889,36 @@ static int __init acpuclk_8x60_init(stru

struct acpuclk_soc_data acpuclk_8x60_soc_data __initdata = {

.init = acpuclk_8x60_init,

};

+

+#ifdef CONFIG_VDD_USERSPACE

+ssize_t acpuclk_get_vdd_levels_str(char *buf)

+{

+ int i, len = 0;

+ if (buf) {

+ mutex_lock(&drv_state.lock);

+ len += sprintf(buf + len, "Min: %4d\n", MIN_VDD_SC);

+ len += sprintf(buf + len, "Max: %4d\n", MAX_VDD_SC);

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

+ if (acpu_freq_tbl[i].use_for_scaling[0] || acpu_freq_tbl[i].use_for_scaling[1]) {

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

+ }

+ }

+ mutex_unlock(&drv_state.lock);

+ }

+ return len;

+}

+

+void acpuclk_set_vdd(unsigned int 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].acpuclk_khz; i++) {

+ if (khz == 0)

+ acpu_freq_tbl[i].vdd_sc = min(max((unsigned int)(acpu_freq_tbl[i].vdd_sc + vdd), (unsigned int)MIN_VDD_SC), (unsigned int)MAX_VDD_SC);

+ else if (acpu_freq_tbl[i].acpuclk_khz == khz)

+ acpu_freq_tbl[i].vdd_sc = min(max((unsigned int)vdd, (unsigned int)MIN_VDD_SC), (unsigned int)MAX_VDD_SC);

+ }

+ mutex_unlock(&drv_state.lock);

+}

+#endif