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Message-ID: <0cb80f07d535f9344497960c6efa6a90ce26359a.1543142441.git.nishadkamdar@gmail.com>
Date: Sun, 25 Nov 2018 17:10:24 +0530
From: Nishad Kamdar <nishadkamdar@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org
Subject: [PATCH 21/26] Staging: fbtft: fb_agm1264k-fl: Switch to the gpio
descriptor interface
This switches the fb_agm1264k-fl.c to use GPIO descriptors
rather than numerical gpios.
Signed-off-by: Nishad Kamdar <nishadkamdar@...il.com>
---
drivers/staging/fbtft/fb_agm1264k-fl.c | 52 +++++++++++++-------------
1 file changed, 26 insertions(+), 26 deletions(-)
diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c b/drivers/staging/fbtft/fb_agm1264k-fl.c
index f6f30f5bf15a..8f27bd8da17d 100644
--- a/drivers/staging/fbtft/fb_agm1264k-fl.c
+++ b/drivers/staging/fbtft/fb_agm1264k-fl.c
@@ -8,7 +8,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include <linux/slab.h>
@@ -79,14 +79,14 @@ static int init_display(struct fbtft_par *par)
static void reset(struct fbtft_par *par)
{
- if (par->gpio.reset == -1)
+ if (!par->gpio.reset)
return;
dev_dbg(par->info->device, "%s()\n", __func__);
- gpio_set_value(par->gpio.reset, 0);
+ gpiod_set_value(par->gpio.reset, 0);
udelay(20);
- gpio_set_value(par->gpio.reset, 1);
+ gpiod_set_value(par->gpio.reset, 1);
mdelay(120);
}
@@ -98,30 +98,30 @@ static int verify_gpios(struct fbtft_par *par)
dev_dbg(par->info->device,
"%s()\n", __func__);
- if (par->EPIN < 0) {
+ if (!par->EPIN) {
dev_err(par->info->device,
"Missing info about 'wr' (aka E) gpio. Aborting.\n");
return -EINVAL;
}
for (i = 0; i < 8; ++i) {
- if (par->gpio.db[i] < 0) {
+ if (!par->gpio.db[i]) {
dev_err(par->info->device,
"Missing info about 'db[%i]' gpio. Aborting.\n",
i);
return -EINVAL;
}
}
- if (par->CS0 < 0) {
+ if (!par->CS0) {
dev_err(par->info->device,
"Missing info about 'cs0' gpio. Aborting.\n");
return -EINVAL;
}
- if (par->CS1 < 0) {
+ if (!par->CS1) {
dev_err(par->info->device,
"Missing info about 'cs1' gpio. Aborting.\n");
return -EINVAL;
}
- if (par->RW < 0) {
+ if (!par->RW) {
dev_err(par->info->device,
"Missing info about 'rw' gpio. Aborting.\n");
return -EINVAL;
@@ -139,22 +139,22 @@ request_gpios_match(struct fbtft_par *par, const struct fbtft_gpio *gpio)
if (strcasecmp(gpio->name, "wr") == 0) {
/* left ks0108 E pin */
par->EPIN = gpio->gpio;
- return GPIOF_OUT_INIT_LOW;
+ return GPIOD_OUT_LOW;
} else if (strcasecmp(gpio->name, "cs0") == 0) {
/* left ks0108 controller pin */
par->CS0 = gpio->gpio;
- return GPIOF_OUT_INIT_HIGH;
+ return GPIOD_OUT_HIGH;
} else if (strcasecmp(gpio->name, "cs1") == 0) {
/* right ks0108 controller pin */
par->CS1 = gpio->gpio;
- return GPIOF_OUT_INIT_HIGH;
+ return GPIOD_OUT_HIGH;
}
/* if write (rw = 0) e(1->0) perform write */
/* if read (rw = 1) e(0->1) set data on D0-7*/
else if (strcasecmp(gpio->name, "rw") == 0) {
par->RW = gpio->gpio;
- return GPIOF_OUT_INIT_LOW;
+ return GPIOD_OUT_LOW;
}
return FBTFT_GPIO_NO_MATCH;
@@ -194,15 +194,15 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
/* select chip */
if (*buf) {
/* cs1 */
- gpio_set_value(par->CS0, 1);
- gpio_set_value(par->CS1, 0);
+ gpiod_set_value(par->CS0, 1);
+ gpiod_set_value(par->CS1, 0);
} else {
/* cs0 */
- gpio_set_value(par->CS0, 0);
- gpio_set_value(par->CS1, 1);
+ gpiod_set_value(par->CS0, 0);
+ gpiod_set_value(par->CS1, 1);
}
- gpio_set_value(par->RS, 0); /* RS->0 (command mode) */
+ gpiod_set_value(par->RS, 0); /* RS->0 (command mode) */
len--;
if (len) {
@@ -364,7 +364,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
write_reg(par, 0x00, (0x17 << 3) | (u8)y);
/* write bitmap */
- gpio_set_value(par->RS, 1); /* RS->1 (data mode) */
+ gpiod_set_value(par->RS, 1); /* RS->1 (data mode) */
ret = par->fbtftops.write(par, buf, len);
if (ret < 0)
dev_err(par->info->device,
@@ -387,7 +387,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
write_reg(par, 0x01, (0x17 << 3) | (u8)y);
/* write bitmap */
- gpio_set_value(par->RS, 1); /* RS->1 (data mode) */
+ gpiod_set_value(par->RS, 1); /* RS->1 (data mode) */
par->fbtftops.write(par, buf, len);
if (ret < 0)
dev_err(par->info->device,
@@ -397,8 +397,8 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
}
kfree(convert_buf);
- gpio_set_value(par->CS0, 1);
- gpio_set_value(par->CS1, 1);
+ gpiod_set_value(par->CS0, 1);
+ gpiod_set_value(par->CS1, 1);
return ret;
}
@@ -408,7 +408,7 @@ static int write(struct fbtft_par *par, void *buf, size_t len)
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
"%s(len=%d): ", __func__, len);
- gpio_set_value(par->RW, 0); /* set write mode */
+ gpiod_set_value(par->RW, 0); /* set write mode */
while (len--) {
u8 i, data;
@@ -417,12 +417,12 @@ static int write(struct fbtft_par *par, void *buf, size_t len)
/* set data bus */
for (i = 0; i < 8; ++i)
- gpio_set_value(par->gpio.db[i], data & (1 << i));
+ gpiod_set_value(par->gpio.db[i], data & (1 << i));
/* set E */
- gpio_set_value(par->EPIN, 1);
+ gpiod_set_value(par->EPIN, 1);
udelay(5);
/* unset E - write */
- gpio_set_value(par->EPIN, 0);
+ gpiod_set_value(par->EPIN, 0);
udelay(1);
}
--
2.17.1
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