diff options
Diffstat (limited to 'drivers/input/rmi4')
-rw-r--r-- | drivers/input/rmi4/rmi_f01.c | 2 | ||||
-rw-r--r-- | drivers/input/rmi4/rmi_f12.c | 43 | ||||
-rw-r--r-- | drivers/input/rmi4/rmi_f34.c | 2 | ||||
-rw-r--r-- | drivers/input/rmi4/rmi_f34v7.c | 2 |
4 files changed, 36 insertions, 13 deletions
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c index cc1d4b424640..47be64284b25 100644 --- a/drivers/input/rmi4/rmi_f01.c +++ b/drivers/input/rmi4/rmi_f01.c @@ -9,7 +9,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/of.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "rmi_driver.h" #define RMI_PRODUCT_ID_LENGTH 10 diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c index 7e97944f7616..8246fe77114b 100644 --- a/drivers/input/rmi4/rmi_f12.c +++ b/drivers/input/rmi4/rmi_f12.c @@ -24,6 +24,7 @@ enum rmi_f12_object_type { }; #define F12_DATA1_BYTES_PER_OBJ 8 +#define RMI_F12_QUERY_RESOLUTION 29 struct f12_data { struct rmi_2d_sensor sensor; @@ -73,6 +74,8 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12) int pitch_y = 0; int rx_receivers = 0; int tx_receivers = 0; + u16 query_dpm_addr = 0; + int dpm_resolution = 0; item = rmi_get_register_desc_item(&f12->control_reg_desc, 8); if (!item) { @@ -122,18 +125,38 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12) offset += 4; } - if (rmi_register_desc_has_subpacket(item, 3)) { - rx_receivers = buf[offset]; - tx_receivers = buf[offset + 1]; - offset += 2; - } + /* + * Use the Query DPM feature when the resolution query register + * exists. + */ + if (rmi_get_register_desc_item(&f12->query_reg_desc, + RMI_F12_QUERY_RESOLUTION)) { + offset = rmi_register_desc_calc_reg_offset(&f12->query_reg_desc, + RMI_F12_QUERY_RESOLUTION); + query_dpm_addr = fn->fd.query_base_addr + offset; + ret = rmi_read(fn->rmi_dev, query_dpm_addr, buf); + if (ret < 0) { + dev_err(&fn->dev, "Failed to read DPM value: %d\n", ret); + return -ENODEV; + } + dpm_resolution = buf[0]; - /* Skip over sensor flags */ - if (rmi_register_desc_has_subpacket(item, 4)) - offset += 1; + sensor->x_mm = sensor->max_x / dpm_resolution; + sensor->y_mm = sensor->max_y / dpm_resolution; + } else { + if (rmi_register_desc_has_subpacket(item, 3)) { + rx_receivers = buf[offset]; + tx_receivers = buf[offset + 1]; + offset += 2; + } - sensor->x_mm = (pitch_x * rx_receivers) >> 12; - sensor->y_mm = (pitch_y * tx_receivers) >> 12; + /* Skip over sensor flags */ + if (rmi_register_desc_has_subpacket(item, 4)) + offset += 1; + + sensor->x_mm = (pitch_x * rx_receivers) >> 12; + sensor->y_mm = (pitch_y * tx_receivers) >> 12; + } rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: x_mm: %d y_mm: %d\n", __func__, sensor->x_mm, sensor->y_mm); diff --git a/drivers/input/rmi4/rmi_f34.c b/drivers/input/rmi4/rmi_f34.c index 3b3ac71e53dc..e2468bc04a5c 100644 --- a/drivers/input/rmi4/rmi_f34.c +++ b/drivers/input/rmi4/rmi_f34.c @@ -7,7 +7,7 @@ #include <linux/kernel.h> #include <linux/rmi.h> #include <linux/firmware.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/bitops.h> #include "rmi_driver.h" diff --git a/drivers/input/rmi4/rmi_f34v7.c b/drivers/input/rmi4/rmi_f34v7.c index 886557b01eba..fd49acc02071 100644 --- a/drivers/input/rmi4/rmi_f34v7.c +++ b/drivers/input/rmi4/rmi_f34v7.c @@ -13,7 +13,7 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/jiffies.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "rmi_driver.h" #include "rmi_f34.h" |