diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2021-07-07 01:19:43 +0200 |
commit | d900385139e5aa8d584dee92c87bb85d0226253e (patch) | |
tree | 26aa082f242221c535f2d8aa03b0c314c713e8ea /drivers/input/touchscreen | |
parent | 56168452b2a2fa8b4efc664d9fcb08536486a1ba (diff) | |
parent | 200ecf5055dfba12b9bff6984830a7cdddee8ab1 (diff) |
Merge tag 'v4.4.274' into toradex_vf_4.4-next
Linux 4.4.274
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r-- | drivers/input/touchscreen/ads7846.c | 8 | ||||
-rw-r--r-- | drivers/input/touchscreen/elo.c | 4 | ||||
-rw-r--r-- | drivers/input/touchscreen/goodix.c | 12 | ||||
-rw-r--r-- | drivers/input/touchscreen/imx6ul_tsc.c | 27 |
4 files changed, 36 insertions, 15 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index a61b2153ab8c..1d98198c4bdf 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -35,6 +35,7 @@ #include <linux/regulator/consumer.h> #include <linux/module.h> #include <asm/irq.h> +#include <asm/unaligned.h> /* * This code has been heavily tested on a Nokia 770, and lightly @@ -410,7 +411,7 @@ static int ads7845_read12_ser(struct device *dev, unsigned command) if (status == 0) { /* BE12 value, then padding */ - status = be16_to_cpu(*((u16 *)&req->sample[1])); + status = get_unaligned_be16(&req->sample[1]); status = status >> 3; status &= 0x0fff; } @@ -785,10 +786,11 @@ static void ads7846_report_state(struct ads7846 *ts) /* compute touch pressure resistance using equation #2 */ Rt = z2; Rt -= z1; - Rt *= x; Rt *= ts->x_plate_ohms; + Rt = DIV_ROUND_CLOSEST(Rt, 16); + Rt *= x; Rt /= z1; - Rt = (Rt + 2047) >> 12; + Rt = DIV_ROUND_CLOSEST(Rt, 256); } else { Rt = 0; } diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c index 8051a4b704ea..e2e31cbd6b2c 100644 --- a/drivers/input/touchscreen/elo.c +++ b/drivers/input/touchscreen/elo.c @@ -345,8 +345,10 @@ static int elo_connect(struct serio *serio, struct serio_driver *drv) switch (elo->id) { case 0: /* 10-byte protocol */ - if (elo_setup_10(elo)) + if (elo_setup_10(elo)) { + err = -EIO; goto fail3; + } break; diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 67cadda13ab1..d7cc8f6a292e 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -78,6 +78,18 @@ static const struct dmi_system_id rotated_screen[] = { }, }, { + .ident = "Teclast X98 Pro", + .matches = { + /* + * Only match BIOS date, because the manufacturers + * BIOS does not report the board name at all + * (sometimes)... + */ + DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"), + DMI_MATCH(DMI_BIOS_DATE, "10/28/2015"), + }, + }, + { .ident = "WinBook TW100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c index 8275267eac25..4be7ddc04af0 100644 --- a/drivers/input/touchscreen/imx6ul_tsc.c +++ b/drivers/input/touchscreen/imx6ul_tsc.c @@ -490,20 +490,25 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev) mutex_lock(&input_dev->mutex); - if (input_dev->users) { - retval = clk_prepare_enable(tsc->adc_clk); - if (retval) - goto out; - - retval = clk_prepare_enable(tsc->tsc_clk); - if (retval) { - clk_disable_unprepare(tsc->adc_clk); - goto out; - } + if (!input_dev->users) + goto out; - retval = imx6ul_tsc_init(tsc); + retval = clk_prepare_enable(tsc->adc_clk); + if (retval) + goto out; + + retval = clk_prepare_enable(tsc->tsc_clk); + if (retval) { + clk_disable_unprepare(tsc->adc_clk); + goto out; } + retval = imx6ul_tsc_init(tsc); + if (retval) { + clk_disable_unprepare(tsc->tsc_clk); + clk_disable_unprepare(tsc->adc_clk); + goto out; + } out: mutex_unlock(&input_dev->mutex); return retval; |