diff options
Diffstat (limited to 'drivers/media/usb/gspca/m5602/m5602_s5k4aa.c')
| -rw-r--r-- | drivers/media/usb/gspca/m5602/m5602_s5k4aa.c | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c new file mode 100644 index 000000000000..cc8ec3f7e8dc --- /dev/null +++ b/drivers/media/usb/gspca/m5602/m5602_s5k4aa.c @@ -0,0 +1,726 @@ +/* + * Driver for the s5k4aa sensor + * + * Copyright (C) 2008 Erik Andrén + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br> + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "m5602_s5k4aa.h" + +static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val); + +static + const + struct dmi_system_id s5k4aa_vflip_dmi_table[] = { + { + .ident = "BRUNEINIT", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"), + DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"), + DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xa 2528", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2428", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2528", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528") + } + }, { + .ident = "Fujitsu-Siemens Amilo Xi 2550", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550") + } + }, { + .ident = "Fujitsu-Siemens Amilo Pa 2548", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "12/02/2008") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "07/26/2007") + } + }, { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "07/19/2007") + } + }, { + .ident = "MSI GX700/GX705/EX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700") + } + }, { + .ident = "MSI L735", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X") + } + }, { + .ident = "Lenovo Y300", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"), + DMI_MATCH(DMI_PRODUCT_NAME, "Y300") + } + }, + { } +}; + +static struct v4l2_pix_format s5k4aa_modes[] = { + { + 640, + 480, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 640 * 480, + .bytesperline = 640, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + }, + { + 1280, + 1024, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + 1280 * 1024, + .bytesperline = 1280, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 + } +}; + +static const struct ctrl s5k4aa_ctrls[] = { +#define VFLIP_IDX 0 + { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k4aa_set_vflip, + .get = s5k4aa_get_vflip + }, +#define HFLIP_IDX 1 + { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "horizontal flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k4aa_set_hflip, + .get = s5k4aa_get_hflip + }, +#define GAIN_IDX 2 + { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = S5K4AA_DEFAULT_GAIN, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k4aa_set_gain, + .get = s5k4aa_get_gain + }, +#define EXPOSURE_IDX 3 + { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Exposure", + .minimum = 13, + .maximum = 0xfff, + .step = 1, + .default_value = 0x100, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k4aa_set_exposure, + .get = s5k4aa_get_exposure + }, +#define NOISE_SUPP_IDX 4 + { + { + .id = V4L2_CID_PRIVATE_BASE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Noise suppression (smoothing)", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + }, + .set = s5k4aa_set_noise, + .get = s5k4aa_get_noise + }, +#define BRIGHTNESS_IDX 5 + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, + .maximum = 0x1f, + .step = 1, + .default_value = S5K4AA_DEFAULT_BRIGHTNESS, + }, + .set = s5k4aa_set_brightness, + .get = s5k4aa_get_brightness + }, + +}; + +static void s5k4aa_dump_registers(struct sd *sd); + +int s5k4aa_probe(struct sd *sd) +{ + u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75}; + int i, err = 0; + s32 *sensor_settings; + + if (force_sensor) { + if (force_sensor == S5K4AA_SENSOR) { + pr_info("Forcing a %s sensor\n", s5k4aa.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + PDEBUG(D_PROBE, "Probing for a s5k4aa sensor"); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (preinit_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + preinit_s5k4aa[i][1], + preinit_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = preinit_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = preinit_s5k4aa[i][2]; + data[1] = preinit_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 2); + break; + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + + /* Test some registers, but we don't know their exact meaning yet */ + if (m5602_read_sensor(sd, 0x00, prod_id, 2)) + return -ENODEV; + if (m5602_read_sensor(sd, 0x02, prod_id+2, 2)) + return -ENODEV; + if (m5602_read_sensor(sd, 0x04, prod_id+4, 2)) + return -ENODEV; + + if (memcmp(prod_id, expected_prod_id, sizeof(prod_id))) + return -ENODEV; + else + pr_info("Detected a s5k4aa sensor\n"); + +sensor_found: + sensor_settings = kmalloc( + ARRAY_SIZE(s5k4aa_ctrls) * sizeof(s32), GFP_KERNEL); + if (!sensor_settings) + return -ENOMEM; + + sd->gspca_dev.cam.cam_mode = s5k4aa_modes; + sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes); + sd->desc->ctrls = s5k4aa_ctrls; + sd->desc->nctrls = ARRAY_SIZE(s5k4aa_ctrls); + + for (i = 0; i < ARRAY_SIZE(s5k4aa_ctrls); i++) + sensor_settings[i] = s5k4aa_ctrls[i].qctrl.default_value; + sd->sensor_priv = sensor_settings; + + return 0; +} + +int s5k4aa_start(struct sd *sd) +{ + int i, err = 0; + u8 data[2]; + struct cam *cam = &sd->gspca_dev.cam; + s32 *sensor_settings = sd->sensor_priv; + + switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) { + case 1280: + PDEBUG(D_V4L2, "Configuring camera for SXGA mode"); + + for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) { + switch (SXGA_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + SXGA_s5k4aa[i][1], + SXGA_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = SXGA_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + SXGA_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = SXGA_s5k4aa[i][2]; + data[1] = SXGA_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + SXGA_s5k4aa[i][1], + data, 2); + break; + + default: + pr_err("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + err = s5k4aa_set_noise(&sd->gspca_dev, 0); + if (err < 0) + return err; + break; + + case 640: + PDEBUG(D_V4L2, "Configuring camera for VGA mode"); + + for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) { + switch (VGA_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + VGA_s5k4aa[i][1], + VGA_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = VGA_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + VGA_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = VGA_s5k4aa[i][2]; + data[1] = VGA_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + VGA_s5k4aa[i][1], + data, 2); + break; + + default: + pr_err("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + err = s5k4aa_set_noise(&sd->gspca_dev, 1); + if (err < 0) + return err; + break; + } + if (err < 0) + return err; + + err = s5k4aa_set_exposure(&sd->gspca_dev, + sensor_settings[EXPOSURE_IDX]); + if (err < 0) + return err; + + err = s5k4aa_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); + if (err < 0) + return err; + + err = s5k4aa_set_brightness(&sd->gspca_dev, + sensor_settings[BRIGHTNESS_IDX]); + if (err < 0) + return err; + + err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]); + if (err < 0) + return err; + + err = s5k4aa_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); + if (err < 0) + return err; + + return s5k4aa_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); +} + +int s5k4aa_init(struct sd *sd) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_s5k4aa[i][1], + init_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = init_s5k4aa[i][2]; + err = m5602_write_sensor(sd, + init_s5k4aa[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_s5k4aa[i][2]; + data[1] = init_s5k4aa[i][3]; + err = m5602_write_sensor(sd, + init_s5k4aa[i][1], data, 2); + break; + default: + pr_info("Invalid stream command, exiting init\n"); + return -EINVAL; + } + } + + if (dump_sensor) + s5k4aa_dump_registers(sd); + + return err; +} + +static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[EXPOSURE_IDX]; + PDEBUG(D_V4L2, "Read exposure %d", *val); + + return 0; +} + +static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[EXPOSURE_IDX] = val; + PDEBUG(D_V4L2, "Set exposure to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + data = (val >> 8) & 0xff; + err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1); + if (err < 0) + return err; + data = val & 0xff; + err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1); + + return err; +} + +static int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[VFLIP_IDX]; + PDEBUG(D_V4L2, "Read vertical flip %d", *val); + + return 0; +} + +static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[VFLIP_IDX] = val; + + PDEBUG(D_V4L2, "Set vertical flip to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + if (dmi_check_system(s5k4aa_vflip_dmi_table)) + val = !val; + + data = ((data & ~S5K4AA_RM_V_FLIP) | ((val & 0x01) << 7)); + err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + if (err < 0) + return err; + if (val) + data &= 0xfe; + else + data |= 0x01; + err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + return err; +} + +static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[HFLIP_IDX]; + PDEBUG(D_V4L2, "Read horizontal flip %d", *val); + + return 0; +} + +static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[HFLIP_IDX] = val; + + PDEBUG(D_V4L2, "Set horizontal flip to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + if (dmi_check_system(s5k4aa_vflip_dmi_table)) + val = !val; + + data = ((data & ~S5K4AA_RM_H_FLIP) | ((val & 0x01) << 6)); + err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + return err; + + err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + return err; + if (val) + data &= 0xfe; + else + data |= 0x01; + err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + return err; +} + +static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[GAIN_IDX]; + PDEBUG(D_V4L2, "Read gain %d", *val); + return 0; +} + +static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[GAIN_IDX] = val; + + PDEBUG(D_V4L2, "Set gain to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0xff; + err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1); + + return err; +} + +static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[BRIGHTNESS_IDX]; + PDEBUG(D_V4L2, "Read brightness %d", *val); + return 0; +} + +static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[BRIGHTNESS_IDX] = val; + + PDEBUG(D_V4L2, "Set brightness to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0xff; + return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1); +} + +static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[NOISE_SUPP_IDX]; + PDEBUG(D_V4L2, "Read noise %d", *val); + return 0; +} + +static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[NOISE_SUPP_IDX] = val; + + PDEBUG(D_V4L2, "Set noise to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0x01; + return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1); +} + +void s5k4aa_disconnect(struct sd *sd) +{ + sd->sensor = NULL; + kfree(sd->sensor_priv); +} + +static void s5k4aa_dump_registers(struct sd *sd) +{ + int address; + u8 page, old_page; + m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + pr_info("Dumping the s5k4aa register state for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 value = 0; + m5602_read_sensor(sd, address, &value, 1); + pr_info("register 0x%x contains 0x%x\n", + address, value); + } + } + pr_info("s5k4aa register state dump complete\n"); + + for (page = 0; page < 16; page++) { + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + pr_info("Probing for which registers that are read/write for page 0x%x\n", + page); + for (address = 0; address <= 0xff; address++) { + u8 old_value, ctrl_value, test_value = 0xff; + + m5602_read_sensor(sd, address, &old_value, 1); + m5602_write_sensor(sd, address, &test_value, 1); + m5602_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value) + pr_info("register 0x%x is writeable\n", + address); + else + pr_info("register 0x%x is read only\n", + address); + + /* Restore original value */ + m5602_write_sensor(sd, address, &old_value, 1); + } + } + pr_info("Read/write register probing complete\n"); + m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); +} |