diff options
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/drivers/synaptics-rmi.c | 27 | ||||
| -rw-r--r-- | firmware/export/synaptics-rmi.h | 15 |
2 files changed, 42 insertions, 0 deletions
diff --git a/firmware/drivers/synaptics-rmi.c b/firmware/drivers/synaptics-rmi.c index c979927fee..1b7cf2f8ef 100644 --- a/firmware/drivers/synaptics-rmi.c +++ b/firmware/drivers/synaptics-rmi.c @@ -25,6 +25,8 @@ static int rmi_cur_page; static int rmi_i2c_addr; +static unsigned char dev_ctl_reg; + /* NOTE: * RMI over i2c supports some special aliases on page 0x2 but this driver don't * use them */ @@ -33,6 +35,7 @@ int rmi_init(int i2c_dev_addr) { rmi_i2c_addr = i2c_dev_addr; rmi_cur_page = 0x4; + dev_ctl_reg = rmi_read_single(RMI_DEVICE_CONTROL); return 0; } @@ -75,3 +78,27 @@ int rmi_write_single(int address, unsigned char byte) { return rmi_write(address, 1, &byte); } + +/* set the device to the given sleep mode */ +void rmi_set_sleep_mode(unsigned char sleep_mode) +{ + /* valid value different from the actual one*/ + if((dev_ctl_reg & RMI_SLEEP_MODE_BM) != sleep_mode) + { + dev_ctl_reg &= ~RMI_SLEEP_MODE_BM; + dev_ctl_reg |= sleep_mode; + rmi_write_single(RMI_DEVICE_CONTROL, dev_ctl_reg); + } +} + +/* set the device's report rate to the given value */ +void rmi_set_report_rate(unsigned char report_rate) +{ + /* valid value different from the actual one*/ + if((dev_ctl_reg & RMI_REPORT_RATE_BM) != report_rate) + { + dev_ctl_reg &= ~RMI_REPORT_RATE_BM; + dev_ctl_reg |= report_rate; + rmi_write_single(RMI_DEVICE_CONTROL, dev_ctl_reg); + } +} diff --git a/firmware/export/synaptics-rmi.h b/firmware/export/synaptics-rmi.h index 38a9955dcc..564f1fd7e7 100644 --- a/firmware/export/synaptics-rmi.h +++ b/firmware/export/synaptics-rmi.h @@ -97,6 +97,17 @@ struct rmi_2d_absolute_data_t #define RMI_2D_GEST_FLICK_X_BM 0x0f #define RMI_2D_GEST_FLICK_Y_BM 0xf0 #define RMI_2D_GEST_FLICK_Y_BP 4 +/* RMI Device Control register */ +#define RMI_REPORT_RATE_BM 0xc0 +#define RMI_SLEEP_MODE_BM 0x07 +#define RMI_REPORT_RATE_NORMAL 0x80 +#define RMI_REPORT_RATE_LOW 0x40 +#define RMI_SLEEP_MODE_FORCE_FULLY_AWAKE 0x00 +#define RMI_SLEEP_MODE_NORMAL 0x01 +#define RMI_SLEEP_MODE_LOW_POWER 0x02 +#define RMI_SLEEP_MODE_VERY_LOW_POWER 0x03 +#define RMI_SLEEP_MODE_SENSOR_SLEEP 0x04 + struct rmi_2d_relative_data_t { @@ -127,5 +138,9 @@ int rmi_write(int address, int byte_count, const unsigned char *buffer); /* Write one register * WARNING: don't cross a page boundary ! */ int rmi_write_single(int address, unsigned char byte); +/* set the device to the given sleep mode */ +void rmi_set_sleep_mode(unsigned char sleep_mode); +/* set the device's report rate to the given value */ +void rmi_set_report_rate(unsigned char report_rate); #endif |