drivers/video/backlight/lms501kf03.c

Source file repositories/reference/linux-study-clean/drivers/video/backlight/lms501kf03.c

File Facts

System
Linux kernel
Corpus path
drivers/video/backlight/lms501kf03.c
Extension
.c
Size
9262 bytes
Lines
421
Domain
Driver Families
Bucket
drivers/video
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct lms501kf03 {
	struct device			*dev;
	struct spi_device		*spi;
	unsigned int			power;
	struct lcd_device		*ld;
	struct lcd_platform_data	*lcd_pd;
};

static const unsigned char seq_password[] = {
	0xb9, 0xff, 0x83, 0x69,
};

static const unsigned char seq_power[] = {
	0xb1, 0x01, 0x00, 0x34, 0x06, 0x00, 0x14, 0x14, 0x20, 0x28,
	0x12, 0x12, 0x17, 0x0a, 0x01, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6,
};

static const unsigned char seq_display[] = {
	0xb2, 0x00, 0x2b, 0x03, 0x03, 0x70, 0x00, 0xff, 0x00, 0x00,
	0x00, 0x00, 0x03, 0x03, 0x00, 0x01,
};

static const unsigned char seq_rgb_if[] = {
	0xb3, 0x09,
};

static const unsigned char seq_display_inv[] = {
	0xb4, 0x01, 0x08, 0x77, 0x0e, 0x06,
};

static const unsigned char seq_vcom[] = {
	0xb6, 0x4c, 0x2e,
};

static const unsigned char seq_gate[] = {
	0xd5, 0x00, 0x05, 0x03, 0x29, 0x01, 0x07, 0x17, 0x68, 0x13,
	0x37, 0x20, 0x31, 0x8a, 0x46, 0x9b, 0x57, 0x13, 0x02, 0x75,
	0xb9, 0x64, 0xa8, 0x07, 0x0f, 0x04, 0x07,
};

static const unsigned char seq_panel[] = {
	0xcc, 0x02,
};

static const unsigned char seq_col_mod[] = {
	0x3a, 0x77,
};

static const unsigned char seq_w_gamma[] = {
	0xe0, 0x00, 0x04, 0x09, 0x0f, 0x1f, 0x3f, 0x1f, 0x2f, 0x0a,
	0x0f, 0x10, 0x16, 0x18, 0x16, 0x17, 0x0d, 0x15, 0x00, 0x04,
	0x09, 0x0f, 0x38, 0x3f, 0x20, 0x39, 0x0a, 0x0f, 0x10, 0x16,
	0x18, 0x16, 0x17, 0x0d, 0x15,
};

static const unsigned char seq_rgb_gamma[] = {
	0xc1, 0x01, 0x03, 0x07, 0x0f, 0x1a, 0x22, 0x2c, 0x33, 0x3c,
	0x46, 0x4f, 0x58, 0x60, 0x69, 0x71, 0x79, 0x82, 0x89, 0x92,
	0x9a, 0xa1, 0xa9, 0xb1, 0xb9, 0xc1, 0xc9, 0xcf, 0xd6, 0xde,
	0xe5, 0xec, 0xf3, 0xf9, 0xff, 0xdd, 0x39, 0x07, 0x1c, 0xcb,
	0xab, 0x5f, 0x49, 0x80, 0x03, 0x07, 0x0f, 0x19, 0x20, 0x2a,
	0x31, 0x39, 0x42, 0x4b, 0x53, 0x5b, 0x63, 0x6b, 0x73, 0x7b,
	0x83, 0x8a, 0x92, 0x9b, 0xa2, 0xaa, 0xb2, 0xba, 0xc2, 0xca,
	0xd0, 0xd8, 0xe1, 0xe8, 0xf0, 0xf8, 0xff, 0xf7, 0xd8, 0xbe,
	0xa7, 0x39, 0x40, 0x85, 0x8c, 0xc0, 0x04, 0x07, 0x0c, 0x17,
	0x1c, 0x23, 0x2b, 0x34, 0x3b, 0x43, 0x4c, 0x54, 0x5b, 0x63,
	0x6a, 0x73, 0x7a, 0x82, 0x8a, 0x91, 0x98, 0xa1, 0xa8, 0xb0,
	0xb7, 0xc1, 0xc9, 0xcf, 0xd9, 0xe3, 0xea, 0xf4, 0xff, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};

static const unsigned char seq_sleep_out[] = {
	0x11,
};

static const unsigned char seq_display_on[] = {
	0x29,
};

static const unsigned char seq_display_off[] = {
	0x10,
};

static int lms501kf03_spi_write_byte(struct lms501kf03 *lcd, int addr, int data)
{
	u16 buf[1];
	struct spi_message msg;

	struct spi_transfer xfer = {
		.len		= 2,

Annotation

Implementation Notes