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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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- New Functionality
- Convert to GPIO descriptors - Fix-ups - Trivial: Fix coding style: sky81452-backlight - Ensure backlight state is known on bring-up; ktd253-backlight - Use common Platform API; qcom-wled, fbdev -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEdrbJNaO+IJqU8IdIUa+KL4f8d2EFAmAr8TMACgkQUa+KL4f8 d2EyiRAAjJ1NE8HGngFQgrkBOQq9hO4zv2xc/y919HSjLpC1kFCKe3SOmtaA1ZqZ aizcjUXg8rm5azg7wrA+1f9Gm9+VquFQn0c8jXGJ0hsv6fiQpF8c4fKfeVwD6R6v VlzpKlgCnfhMCPomDCIicM/RFiNAdg/PuI5VSD6hV0REySVbtRFhWPzY+3+pjBVc u1QMmliSoXO1NZ2N7zG3cunKyNltXeR1aQbCk1p1vJE/8XRLLnUfZObMEkzxx/fy vCbUCr0xSfOZ+zvyiVBx3+EU5ieqS5GTZ1EmQQUIh6gwPVIhHlggVdFMo9c75Vnt 6Ks2QjMTwx6YOhod3mFmJmGQbPixroOjRN7qsBW+RQe+IAb/6tuN5Z0blYuMtVUg 6JGDFE42Ok8Zma7Qf+JCb9LrM9IrPavL8XhG7g3Eh3lmxbEE+nnjuLvxpxkklGMB YhlfUZaqxe22cVnJXY0cS81Ls1LOwNJQNCoe0g6v2kyKPufs2yRy3g4wENoEKYlz +McsI0OAWMySqi4EurFqMGI33Tz2mZi+GatcqIjQBfYhP5TMQGAc8nkcM7pqsKLN mS00zHmEza/Znl7y+klya/cwlgObuzATE94H7NDdzlKKT/KdtzYW3vYjZ52VOLlJ iumcC0P+OongBZIJGUweksHnAf4NO+LHrN8yF2wep+RXQ2WHyeQ= =GPmS -----END PGP SIGNATURE----- Merge tag 'backlight-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight Pull backlight updates from Lee Jones: "New Functionality: - Convert to GPIO descriptors Fix-ups: - Trivial: fix coding style in sky81452-backlight - Ensure backlight state is known on bring-up in ktd253 - Use common platform API in qcom-wled and fbdev" * tag 'backlight-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: backlight/video: Use Platform getter/setter functions backlight: ktd253: Bring up in a known state backlight: sky81452-backlight: Convert comma to semicolon backlight: lms283gf05: Convert to GPIO descriptors
This commit is contained in:
commit
4512d92b03
15 changed files with 45 additions and 72 deletions
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@ -20,7 +20,6 @@
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#include <linux/spi/spi.h>
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#include <linux/spi/pxa2xx_spi.h>
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#include <linux/spi/libertas_spi.h>
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#include <linux/spi/lms283gf05.h>
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#include <linux/power_supply.h>
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#include <linux/mtd/physmap.h>
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#include <linux/gpio.h>
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@ -578,8 +577,13 @@ static struct pxa2xx_spi_chip lms283_chip_info = {
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.gpio_cs = GPIO88_ZIPITZ2_LCD_CS,
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};
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static const struct lms283gf05_pdata lms283_pdata = {
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.reset_gpio = GPIO19_ZIPITZ2_LCD_RESET,
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static struct gpiod_lookup_table lms283_gpio_table = {
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.dev_id = "spi2.0", /* SPI bus 2 chip select 0 */
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.table = {
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GPIO_LOOKUP("gpio-pxa", GPIO19_ZIPITZ2_LCD_RESET,
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"reset", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static struct spi_board_info spi_board_info[] __initdata = {
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@ -595,7 +599,6 @@ static struct spi_board_info spi_board_info[] __initdata = {
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{
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.modalias = "lms283gf05",
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.controller_data = &lms283_chip_info,
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.platform_data = &lms283_pdata,
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.max_speed_hz = 400000,
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.bus_num = 2,
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.chip_select = 0,
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@ -615,6 +618,7 @@ static void __init z2_spi_init(void)
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{
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pxa2xx_set_spi_info(1, &pxa_ssp1_master_info);
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pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
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gpiod_add_lookup_table(&lms283_gpio_table);
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spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
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}
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#else
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@ -137,15 +137,7 @@ static int ktd253_backlight_probe(struct platform_device *pdev)
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brightness = max_brightness;
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}
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if (brightness)
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/* This will be the default ratio when the KTD253 is enabled */
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ktd253->ratio = KTD253_MAX_RATIO;
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else
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ktd253->ratio = 0;
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ktd253->gpiod = devm_gpiod_get(dev, "enable",
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brightness ? GPIOD_OUT_HIGH :
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GPIOD_OUT_LOW);
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ktd253->gpiod = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
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if (IS_ERR(ktd253->gpiod)) {
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ret = PTR_ERR(ktd253->gpiod);
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if (ret != -EPROBE_DEFER)
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@ -153,6 +145,8 @@ static int ktd253_backlight_probe(struct platform_device *pdev)
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return ret;
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}
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gpiod_set_consumer_name(ktd253->gpiod, dev_name(dev));
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/* Bring backlight to a known off state */
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msleep(KTD253_T_OFF_MS);
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bl = devm_backlight_device_register(dev, dev_name(dev), dev, ktd253,
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&ktd253_backlight_ops, NULL);
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@ -9,16 +9,16 @@
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/gpio.h>
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#include <linux/gpio/consumer.h>
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#include <linux/lcd.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/lms283gf05.h>
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#include <linux/module.h>
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struct lms283gf05_state {
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struct spi_device *spi;
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struct lcd_device *ld;
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struct gpio_desc *reset;
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};
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struct lms283gf05_seq {
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@ -90,13 +90,13 @@ static const struct lms283gf05_seq disp_pdwnseq[] = {
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};
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static void lms283gf05_reset(unsigned long gpio, bool inverted)
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static void lms283gf05_reset(struct gpio_desc *gpiod)
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{
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gpio_set_value(gpio, !inverted);
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gpiod_set_value(gpiod, 0); /* De-asserted */
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mdelay(100);
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gpio_set_value(gpio, inverted);
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gpiod_set_value(gpiod, 1); /* Asserted */
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mdelay(20);
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gpio_set_value(gpio, !inverted);
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gpiod_set_value(gpiod, 0); /* De-asserted */
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mdelay(20);
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}
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@ -125,18 +125,15 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power)
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{
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struct lms283gf05_state *st = lcd_get_data(ld);
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struct spi_device *spi = st->spi;
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struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
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if (power <= FB_BLANK_NORMAL) {
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if (pdata)
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lms283gf05_reset(pdata->reset_gpio,
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pdata->reset_inverted);
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if (st->reset)
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lms283gf05_reset(st->reset);
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lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));
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} else {
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lms283gf05_toggle(spi, disp_pdwnseq, ARRAY_SIZE(disp_pdwnseq));
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if (pdata)
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gpio_set_value(pdata->reset_gpio,
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pdata->reset_inverted);
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if (st->reset)
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gpiod_set_value(st->reset, 1); /* Asserted */
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}
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return 0;
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@ -150,24 +147,18 @@ static struct lcd_ops lms_ops = {
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static int lms283gf05_probe(struct spi_device *spi)
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{
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struct lms283gf05_state *st;
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struct lms283gf05_pdata *pdata = dev_get_platdata(&spi->dev);
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struct lcd_device *ld;
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int ret = 0;
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if (pdata != NULL) {
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ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio,
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GPIOF_DIR_OUT | (!pdata->reset_inverted ?
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GPIOF_INIT_HIGH : GPIOF_INIT_LOW),
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"LMS283GF05 RESET");
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if (ret)
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return ret;
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}
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st = devm_kzalloc(&spi->dev, sizeof(struct lms283gf05_state),
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GFP_KERNEL);
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if (st == NULL)
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return -ENOMEM;
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st->reset = gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW);
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if (IS_ERR(st->reset))
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return PTR_ERR(st->reset);
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gpiod_set_consumer_name(st->reset, "LMS283GF05 RESET");
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ld = devm_lcd_device_register(&spi->dev, "lms283gf05", &spi->dev, st,
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&lms_ops);
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if (IS_ERR(ld))
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@ -179,8 +170,8 @@ static int lms283gf05_probe(struct spi_device *spi)
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spi_set_drvdata(spi, st);
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/* kick in the LCD */
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if (pdata)
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lms283gf05_reset(pdata->reset_gpio, pdata->reset_inverted);
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if (st->reset)
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lms283gf05_reset(st->reset);
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lms283gf05_toggle(spi, disp_initseq, ARRAY_SIZE(disp_initseq));
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return 0;
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@ -1692,7 +1692,7 @@ static int wled_probe(struct platform_device *pdev)
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static int wled_remove(struct platform_device *pdev)
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{
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struct wled *wled = dev_get_drvdata(&pdev->dev);
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struct wled *wled = platform_get_drvdata(pdev);
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mutex_destroy(&wled->lock);
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cancel_delayed_work_sync(&wled->ovp_work);
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@ -291,7 +291,7 @@ static int sky81452_bl_probe(struct platform_device *pdev)
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}
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memset(&props, 0, sizeof(props));
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props.max_brightness = SKY81452_MAX_BRIGHTNESS,
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props.max_brightness = SKY81452_MAX_BRIGHTNESS;
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name = pdata->name ? pdata->name : SKY81452_DEFAULT_NAME;
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bd = devm_backlight_device_register(dev, name, dev, regmap,
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&sky81452_bl_ops, &props);
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@ -3736,7 +3736,7 @@ static int __init amifb_probe(struct platform_device *pdev)
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if (err)
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goto free_irq;
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dev_set_drvdata(&pdev->dev, info);
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platform_set_drvdata(pdev, info);
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err = register_framebuffer(info);
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if (err)
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@ -3764,7 +3764,7 @@ static int __init amifb_probe(struct platform_device *pdev)
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static int __exit amifb_remove(struct platform_device *pdev)
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{
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struct fb_info *info = dev_get_drvdata(&pdev->dev);
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struct fb_info *info = platform_get_drvdata(pdev);
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unregister_framebuffer(info);
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fb_dealloc_cmap(&info->cmap);
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@ -1066,7 +1066,7 @@ static void lcd_da8xx_cpufreq_deregister(struct da8xx_fb_par *par)
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static int fb_remove(struct platform_device *dev)
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{
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struct fb_info *info = dev_get_drvdata(&dev->dev);
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struct fb_info *info = platform_get_drvdata(dev);
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struct da8xx_fb_par *par = info->par;
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int ret;
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@ -1482,7 +1482,7 @@ static int fb_probe(struct platform_device *device)
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da8xx_fb_var.activate = FB_ACTIVATE_FORCE;
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fb_set_var(da8xx_fb_info, &da8xx_fb_var);
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dev_set_drvdata(&device->dev, da8xx_fb_info);
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platform_set_drvdata(device, da8xx_fb_info);
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/* initialize the vsync wait queue */
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init_waitqueue_head(&par->vsync_wait);
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@ -657,7 +657,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
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static int imxfb_init_fbinfo(struct platform_device *pdev)
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{
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struct imx_fb_platform_data *pdata = dev_get_platdata(&pdev->dev);
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struct fb_info *info = dev_get_drvdata(&pdev->dev);
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struct fb_info *info = platform_get_drvdata(pdev);
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struct imxfb_info *fbi = info->par;
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struct device_node *np;
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@ -239,7 +239,7 @@ static struct omap_dss_driver lb035q02_ops = {
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static int lb035q02_probe_of(struct spi_device *spi)
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{
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struct device_node *node = spi->dev.of_node;
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struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
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struct panel_drv_data *ddata = spi_get_drvdata(spi);
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struct omap_dss_device *in;
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struct gpio_desc *gpio;
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@ -277,7 +277,7 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi)
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if (ddata == NULL)
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return -ENOMEM;
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dev_set_drvdata(&spi->dev, ddata);
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spi_set_drvdata(spi, ddata);
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ddata->spi = spi;
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@ -318,7 +318,7 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi)
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static int lb035q02_panel_spi_remove(struct spi_device *spi)
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{
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struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
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struct panel_drv_data *ddata = spi_get_drvdata(spi);
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struct omap_dss_device *dssdev = &ddata->dssdev;
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struct omap_dss_device *in = ddata->in;
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@ -55,7 +55,7 @@ static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
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/* only used in non-DT mode */
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static struct dpi_data *dpi_get_data_from_pdev(struct platform_device *pdev)
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{
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return dev_get_drvdata(&pdev->dev);
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return platform_get_drvdata(pdev);
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}
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static struct dss_pll *dpi_get_pll(enum omap_channel channel)
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@ -784,7 +784,7 @@ static int dpi_bind(struct device *dev, struct device *master, void *data)
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dpi->pdev = pdev;
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dev_set_drvdata(&pdev->dev, dpi);
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platform_set_drvdata(pdev, dpi);
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mutex_init(&dpi->lock);
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@ -399,7 +399,7 @@ module_param(dsi_perf, bool, 0644);
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static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dsidev)
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{
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return dev_get_drvdata(&dsidev->dev);
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return platform_get_drvdata(dsidev);
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}
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static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev)
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@ -5266,7 +5266,7 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
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return -ENOMEM;
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dsi->pdev = dsidev;
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dev_set_drvdata(&dsidev->dev, dsi);
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platform_set_drvdata(dsidev, dsi);
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spin_lock_init(&dsi->irq_lock);
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spin_lock_init(&dsi->errors_lock);
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@ -672,7 +672,7 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
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int irq;
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hdmi.pdev = pdev;
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dev_set_drvdata(&pdev->dev, &hdmi);
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platform_set_drvdata(pdev, &hdmi);
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mutex_init(&hdmi.lock);
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spin_lock_init(&hdmi.audio_playing_lock);
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@ -713,7 +713,7 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data)
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int irq;
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hdmi.pdev = pdev;
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dev_set_drvdata(&pdev->dev, &hdmi);
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platform_set_drvdata(pdev, &hdmi);
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mutex_init(&hdmi.lock);
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spin_lock_init(&hdmi.audio_playing_lock);
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@ -472,7 +472,7 @@ static int xilinxfb_of_probe(struct platform_device *pdev)
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if (of_find_property(pdev->dev.of_node, "rotate-display", NULL))
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pdata.rotate_screen = 1;
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dev_set_drvdata(&pdev->dev, drvdata);
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platform_set_drvdata(pdev, drvdata);
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return xilinxfb_assign(pdev, drvdata, &pdata);
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}
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@ -1,16 +0,0 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* lms283gf05.h - Platform glue for Samsung LMS283GF05 LCD
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*
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* Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com>
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*/
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#ifndef _INCLUDE_LINUX_SPI_LMS283GF05_H_
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#define _INCLUDE_LINUX_SPI_LMS283GF05_H_
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struct lms283gf05_pdata {
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unsigned long reset_gpio;
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bool reset_inverted;
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};
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#endif /* _INCLUDE_LINUX_SPI_LMS283GF05_H_ */
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