disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/staging/fbtft/fbtft-io.c
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@@ -1,7 +1,7 @@
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 // SPDX-License-Identifier: GPL-2.0
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 #include <linux/export.h>
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 #include <linux/errno.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/consumer.h>
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 #include <linux/spi/spi.h>
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 #include "fbtft.h"
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@@ -14,7 +14,7 @@
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 	struct spi_message m;
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 	fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
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-			  "%s(len=%d): ", __func__, len);
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+			  "%s(len=%zu): ", __func__, len);
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 	if (!par->spi) {
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 		dev_err(par->info->device,
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@@ -47,7 +47,7 @@
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 	u64 val, dc, tmp;
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 	fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
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-			  "%s(len=%d): ", __func__, len);
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+			  "%s(len=%zu): ", __func__, len);
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 	if (!par->extra) {
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 		dev_err(par->info->device, "%s: error: par->extra is NULL\n",
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@@ -109,7 +109,7 @@
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 		txbuf[0] = par->startbyte | 0x3;
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 		t.tx_buf = txbuf;
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 		fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8,
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-				  txbuf, len, "%s(len=%d) txbuf => ",
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+				  txbuf, len, "%s(len=%zu) txbuf => ",
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 				  __func__, len);
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 	}
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@@ -117,7 +117,7 @@
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 	spi_message_add_tail(&t, &m);
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 	ret = spi_sync(par->spi, &m);
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 	fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8, buf, len,
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-			  "%s(len=%d) buf <= ", __func__, len);
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+			  "%s(len=%zu) buf <= ", __func__, len);
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 	return ret;
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 }
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@@ -136,36 +136,36 @@
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 #endif
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 	fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
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-			  "%s(len=%d): ", __func__, len);
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+			  "%s(len=%zu): ", __func__, len);
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 	while (len--) {
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 		data = *(u8 *)buf;
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 		/* Start writing by pulling down /WR */
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-		gpio_set_value(par->gpio.wr, 0);
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+		gpiod_set_value(par->gpio.wr, 1);
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 		/* Set data */
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 #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
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 		if (data == prev_data) {
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-			gpio_set_value(par->gpio.wr, 0); /* used as delay */
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+			gpiod_set_value(par->gpio.wr, 1); /* used as delay */
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 		} else {
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 			for (i = 0; i < 8; i++) {
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 				if ((data & 1) != (prev_data & 1))
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-					gpio_set_value(par->gpio.db[i],
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-						       data & 1);
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+					gpiod_set_value(par->gpio.db[i],
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+							data & 1);
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 				data >>= 1;
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 				prev_data >>= 1;
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 			}
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 		}
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 #else
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 		for (i = 0; i < 8; i++) {
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-			gpio_set_value(par->gpio.db[i], data & 1);
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+			gpiod_set_value(par->gpio.db[i], data & 1);
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 			data >>= 1;
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 		}
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 #endif
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 		/* Pullup /WR */
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-		gpio_set_value(par->gpio.wr, 1);
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+		gpiod_set_value(par->gpio.wr, 0);
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 #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
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 		prev_data = *(u8 *)buf;
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@@ -186,36 +186,36 @@
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 #endif
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 	fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
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-			  "%s(len=%d): ", __func__, len);
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+			  "%s(len=%zu): ", __func__, len);
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 	while (len) {
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 		data = *(u16 *)buf;
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 		/* Start writing by pulling down /WR */
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-		gpio_set_value(par->gpio.wr, 0);
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+		gpiod_set_value(par->gpio.wr, 1);
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 		/* Set data */
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 #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
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 		if (data == prev_data) {
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-			gpio_set_value(par->gpio.wr, 0); /* used as delay */
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+			gpiod_set_value(par->gpio.wr, 1); /* used as delay */
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 		} else {
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 			for (i = 0; i < 16; i++) {
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 				if ((data & 1) != (prev_data & 1))
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-					gpio_set_value(par->gpio.db[i],
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-						       data & 1);
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+					gpiod_set_value(par->gpio.db[i],
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+							data & 1);
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 				data >>= 1;
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 				prev_data >>= 1;
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 			}
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 		}
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 #else
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 		for (i = 0; i < 16; i++) {
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-			gpio_set_value(par->gpio.db[i], data & 1);
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+			gpiod_set_value(par->gpio.db[i], data & 1);
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 			data >>= 1;
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 		}
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 #endif
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 		/* Pullup /WR */
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-		gpio_set_value(par->gpio.wr, 1);
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+		gpiod_set_value(par->gpio.wr, 0);
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 #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
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 		prev_data = *(u16 *)buf;