ffcc6acd0c
Add support for the Xiaomi Redmi Note 8t. Works: UART, USB RNDIS, Weston on DRM, touchscreen Doesn't: fbdev, everything else
77 lines
3 KiB
Diff
77 lines
3 KiB
Diff
The touchscreen driver expects to have firmware available immediately, but our rootfs
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mounts a little too late. These patches are necessary to compile it as a module.
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saved_command_line isn't exposed to modules, so we just hardcode the tianma vendor.
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diff --git a/drivers/input/touchscreen/nt36xxx_spi_bbb/Kconfig b/drivers/input/touchscreen/nt36xxx_spi_bbb/Kconfig
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index e8674dc6a..14ccef8e7 100644
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--- a/drivers/input/touchscreen/nt36xxx_spi_bbb/Kconfig
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+++ b/drivers/input/touchscreen/nt36xxx_spi_bbb/Kconfig
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@@ -12,7 +12,7 @@ config TOUCHSCREEN_NT36xxx_HOSTDL_SPI_BBB
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If unsure, say N.
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config TOUCHSCREEN_NT36xxx_HOSTDL_SPI_CCC
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- bool "Novatek NT36xxx host download SPI driver"
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+ tristate "Novatek NT36xxx host download SPI driver"
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depends on ( SPI || TOUCHSCREEN_AAAAAA_CCC )
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default n
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help
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diff --git a/drivers/input/touchscreen/nt36xxx_spi_bbb/Makefile b/drivers/input/touchscreen/nt36xxx_spi_bbb/Makefile
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index bca7b8a85..9ca3cfc3d 100644
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--- a/drivers/input/touchscreen/nt36xxx_spi_bbb/Makefile
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+++ b/drivers/input/touchscreen/nt36xxx_spi_bbb/Makefile
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@@ -5,4 +5,5 @@
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# Each configuration option enables a list of files.
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obj-$(CONFIG_TOUCHSCREEN_NT36xxx_HOSTDL_SPI_BBB) += nt36xxx.o nt36xxx_fw_update.o nt36xxx_ext_proc.o nt36xxx_mp_ctrlram.o
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-obj-$(CONFIG_TOUCHSCREEN_NT36xxx_HOSTDL_SPI_CCC) += nt36xxx.o nt36xxx_fw_update.o nt36xxx_ext_proc.o nt36xxx_mp_ctrlram.o
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+obj-$(CONFIG_TOUCHSCREEN_NT36xxx_HOSTDL_SPI_CCC) += ts_nt36xxx.o
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+ts_nt36xxx-y := nt36xxx.o nt36xxx_fw_update.o nt36xxx_ext_proc.o nt36xxx_mp_ctrlram.o
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diff --git a/drivers/input/touchscreen/nt36xxx_spi_bbb/nt36xxx.c b/drivers/input/touchscreen/nt36xxx_spi_bbb/nt36xxx.c
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index 93f4d0b1c..f48d3fc7b 100644
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--- a/drivers/input/touchscreen/nt36xxx_spi_bbb/nt36xxx.c
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+++ b/drivers/input/touchscreen/nt36xxx_spi_bbb/nt36xxx.c
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@@ -43,8 +43,6 @@
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#endif /* #if NVT_TOUCH_ESD_PROTECT */
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#ifdef CHECK_TOUCH_VENDOR
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-extern char *saved_command_line;
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-
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//---Touch Vendor ID---
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static uint8_t touch_vendor_id = 0;
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#endif
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@@ -2711,31 +2709,8 @@ static int32_t __init nvt_driver_init(void)
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#ifdef CHECK_TOUCH_VENDOR
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//Check TP vendor
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- if (IS_ERR_OR_NULL(saved_command_line)){
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- NVT_ERR("saved_command_line ERROR!\n");
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- ret = -ENOMEM;
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- goto err_driver;
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- } else {
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- if (strstr(saved_command_line,"tianma") != NULL) {
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- touch_vendor_id = TP_VENDOR_TIANMA;
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- NVT_LOG("TP info: [Vendor]tianma [IC]nt36672a\n");
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- } else if (strstr(saved_command_line,"shenchao") != NULL) {
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- touch_vendor_id = TP_VENDOR_EBBG;
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- NVT_LOG("TP info: [Vendor]shenchao [IC]nt36672a\n");
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- } else {
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- touch_vendor_id = TP_VENDOR_UNKNOW;
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- NVT_ERR("Unknow Touch\n");
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- ret = -ENODEV;
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- goto err_driver;
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- }
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- }
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-
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- //Check android mode
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- if (strstr(saved_command_line, "androidboot.mode=charger") != NULL) {
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- NVT_LOG("androidboot.mode=charger, doesn't support touch in the charging mode!\n");
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- ret = -ENODEV;
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- goto err_driver;
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- }
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+ touch_vendor_id = TP_VENDOR_TIANMA;
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+ NVT_LOG("TP info: [Vendor]tianma [IC]nt36672a\n");
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#endif
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//---add spi driver---
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