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kernel_samsung_sm7125/drivers/fingerprint/gw9558x_platform.c

88 lines
1.9 KiB

#include "fingerprint.h"
#include "gw9558x_common.h"
int gw9558_register_platform_variable(struct gf_device *gf_dev)
{
return 0;
}
int gw9558_unregister_platform_variable(struct gf_device *gf_dev)
{
return 0;
}
void gw9558_spi_setup_conf(struct gf_device *gf_dev, u32 bits)
{
#ifndef ENABLE_SENSORS_FPRINT_SECURE
gf_dev->spi->bits_per_word = 8 * bits;
if (gf_dev->prev_bits_per_word != gf_dev->spi->bits_per_word) {
if (spi_setup(gf_dev->spi))
pr_err("failed to setup spi conf\n");
pr_info("prev-bpw:%d, bpw:%d\n",
gf_dev->prev_bits_per_word, gf_dev->spi->bits_per_word);
gf_dev->prev_bits_per_word = gf_dev->spi->bits_per_word;
}
#endif
}
int gw9558_spi_clk_enable(struct gf_device *gf_dev)
{
#ifdef ENABLE_SENSORS_FPRINT_SECURE
if (!gf_dev->enabled_clk) {
wake_lock(&gf_dev->wake_lock);
gf_dev->enabled_clk = true;
}
#endif
return 0;
}
int gw9558_spi_clk_disable(struct gf_device *gf_dev)
{
#ifdef ENABLE_SENSORS_FPRINT_SECURE
if (gf_dev->enabled_clk) {
wake_unlock(&gf_dev->wake_lock);
gf_dev->enabled_clk = false;
}
#endif
return 0;
}
int gw9558_set_cpu_speedup(struct gf_device *gf_dev, int onoff)
{
int retval = 0;
#if 0
int retry_cnt = 0;
if (gf_dev->min_cpufreq_limit) {
if (onoff) {
pr_info("FP_CPU_SPEEDUP ON\n");
pm_qos_add_request(&gf_dev->pm_qos, PM_QOS_CPU_DMA_LATENCY, 0);
do {
retval = set_freq_limit(DVFS_FINGER_ID, gf_dev->min_cpufreq_limit);
retry_cnt++;
if (retval) {
pr_err("booster start failed. (%d) retry: %d\n",
retval, retry_cnt);
usleep_range(500, 510);
}
} while (retval && retry_cnt < 7);
} else {
pr_info("FP_CPU_SPEEDUP OFF\n");
retval = set_freq_limit(DVFS_FINGER_ID, -1);
if (retval)
pr_err("booster stop failed. (%d)\n", retval);
pm_qos_remove_request(&gf_dev->pm_qos);
}
}
#else
pr_info("FP_CPU_SPEEDUP does not set\n");
#endif
return retval;
}
int gw9558_pin_control(struct gf_device *gf_dev, bool pin_set)
{
return 0;
}