diff options
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 3 | ||||
-rw-r--r-- | drivers/input/touchscreen/elants_i2c.c | 7 | ||||
-rw-r--r-- | drivers/input/touchscreen/of_touchscreen.c | 36 | ||||
-rw-r--r-- | drivers/input/touchscreen/silead.c | 13 | ||||
-rw-r--r-- | drivers/input/touchscreen/st1232.c | 1 | ||||
-rw-r--r-- | drivers/input/touchscreen/wm97xx-core.c | 3 |
6 files changed, 49 insertions, 14 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 3232af5dcf89..d3aacd534e9c 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -29,7 +29,6 @@ #include <linux/property.h> #include <linux/slab.h> #include <linux/gpio/consumer.h> -#include <linux/property.h> #include <asm/unaligned.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> @@ -489,7 +488,7 @@ static int mxt_lookup_bootloader_address(struct mxt_data *data, bool retry) bootloader = appmode - 0x24; break; } - /* Fall through for normal case */ + /* Fall through - for normal case */ case 0x4c: case 0x4d: case 0x5a: diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index d21ca39b0fdb..f2cb23121833 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -147,10 +147,11 @@ struct elants_data { u8 cmd_resp[HEADER_SIZE]; struct completion cmd_done; - u8 buf[MAX_PACKET_SIZE]; - bool wake_irq_enabled; bool keep_power_in_suspend; + + /* Must be last to be used for DMA operations */ + u8 buf[MAX_PACKET_SIZE] ____cacheline_aligned; }; static int elants_i2c_send(struct i2c_client *client, @@ -863,7 +864,7 @@ static irqreturn_t elants_i2c_irq(int irq, void *_dev) int i; int len; - len = i2c_master_recv(client, ts->buf, sizeof(ts->buf)); + len = i2c_master_recv_dmasafe(client, ts->buf, sizeof(ts->buf)); if (len < 0) { dev_err(&client->dev, "%s: failed to read data: %d\n", __func__, len); diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c index 9642f103b726..6d241d45e312 100644 --- a/drivers/input/touchscreen/of_touchscreen.c +++ b/drivers/input/touchscreen/of_touchscreen.c @@ -35,7 +35,7 @@ static bool touchscreen_get_prop_u32(struct device *dev, static void touchscreen_set_params(struct input_dev *dev, unsigned long axis, - int max, int fuzz) + int min, int max, int fuzz) { struct input_absinfo *absinfo; @@ -47,6 +47,7 @@ static void touchscreen_set_params(struct input_dev *dev, } absinfo = &dev->absinfo[axis]; + absinfo->minimum = min; absinfo->maximum = max; absinfo->fuzz = fuzz; } @@ -68,8 +69,9 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, struct touchscreen_properties *prop) { struct device *dev = input->dev.parent; + struct input_absinfo *absinfo; unsigned int axis; - unsigned int maximum, fuzz; + unsigned int minimum, maximum, fuzz; bool data_present; input_alloc_absinfo(input); @@ -77,7 +79,10 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, return; axis = multitouch ? ABS_MT_POSITION_X : ABS_X; - data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x", + data_present = touchscreen_get_prop_u32(dev, "touchscreen-min-x", + input_abs_get_min(input, axis), + &minimum) | + touchscreen_get_prop_u32(dev, "touchscreen-size-x", input_abs_get_max(input, axis) + 1, &maximum) | @@ -85,10 +90,13 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, input_abs_get_fuzz(input, axis), &fuzz); if (data_present) - touchscreen_set_params(input, axis, maximum - 1, fuzz); + touchscreen_set_params(input, axis, minimum, maximum - 1, fuzz); axis = multitouch ? ABS_MT_POSITION_Y : ABS_Y; - data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-y", + data_present = touchscreen_get_prop_u32(dev, "touchscreen-min-y", + input_abs_get_min(input, axis), + &minimum) | + touchscreen_get_prop_u32(dev, "touchscreen-size-y", input_abs_get_max(input, axis) + 1, &maximum) | @@ -96,7 +104,7 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, input_abs_get_fuzz(input, axis), &fuzz); if (data_present) - touchscreen_set_params(input, axis, maximum - 1, fuzz); + touchscreen_set_params(input, axis, minimum, maximum - 1, fuzz); axis = multitouch ? ABS_MT_PRESSURE : ABS_PRESSURE; data_present = touchscreen_get_prop_u32(dev, @@ -108,7 +116,7 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, input_abs_get_fuzz(input, axis), &fuzz); if (data_present) - touchscreen_set_params(input, axis, maximum, fuzz); + touchscreen_set_params(input, axis, 0, maximum, fuzz); if (!prop) return; @@ -117,13 +125,25 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, prop->max_x = input_abs_get_max(input, axis); prop->max_y = input_abs_get_max(input, axis + 1); + prop->invert_x = device_property_read_bool(dev, "touchscreen-inverted-x"); + if (prop->invert_x) { + absinfo = &input->absinfo[axis]; + absinfo->maximum -= absinfo->minimum; + absinfo->minimum = 0; + } + prop->invert_y = device_property_read_bool(dev, "touchscreen-inverted-y"); + if (prop->invert_y) { + absinfo = &input->absinfo[axis + 1]; + absinfo->maximum -= absinfo->minimum; + absinfo->minimum = 0; + } + prop->swap_x_y = device_property_read_bool(dev, "touchscreen-swapped-x-y"); - if (prop->swap_x_y) swap(input->absinfo[axis], input->absinfo[axis + 1]); } diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index d196ac3d8b8c..09241d4cdebc 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -558,20 +558,33 @@ static int __maybe_unused silead_ts_suspend(struct device *dev) static int __maybe_unused silead_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + bool second_try = false; int error, status; silead_ts_set_power(client, SILEAD_POWER_ON); + retry: error = silead_ts_reset(client); if (error) return error; + if (second_try) { + error = silead_ts_load_fw(client); + if (error) + return error; + } + error = silead_ts_startup(client); if (error) return error; status = silead_ts_get_status(client); if (status != SILEAD_STATUS_OK) { + if (!second_try) { + second_try = true; + dev_dbg(dev, "Reloading firmware after unsuccessful resume\n"); + goto retry; + } dev_err(dev, "Resume error, status: 0x%02x\n", status); return -ENODEV; } diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index d5dfa4053bbf..b71673911aac 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -195,6 +195,7 @@ static int st1232_ts_probe(struct i2c_client *client, input_dev->id.bustype = BUS_I2C; input_dev->dev.parent = &client->dev; + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); __set_bit(EV_SYN, input_dev->evbit); __set_bit(EV_KEY, input_dev->evbit); __set_bit(EV_ABS, input_dev->evbit); diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index 2566b4d8b342..73856c2a8ac0 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -929,7 +929,8 @@ static int __init wm97xx_init(void) static void __exit wm97xx_exit(void) { - driver_unregister(&wm97xx_driver); + if (IS_BUILTIN(CONFIG_AC97_BUS)) + driver_unregister(&wm97xx_driver); platform_driver_unregister(&wm97xx_mfd_driver); } |