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staging: fbtft: use helper fbtft_write_buf_dc in fbtft-bus.c 

Make use of new helper fbtft_write_buf_dc.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heiner Kallweit 2017-03-02 22:19:00 +01:00 committed by Greg Kroah-Hartman
parent 60da70204e
commit e70065fdc1
1 changed files with 8 additions and 23 deletions
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31
drivers/staging/fbtft/fbtft-bus.c
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@ -36,14 +36,9 @@ void func(struct fbtft_par *par, int len, ...) \
} \
\
*buf = modifier((type)va_arg(args, unsigned int)); \
if (par->gpio.dc != -1) \
gpio_set_value(par->gpio.dc, 0); \
ret = par->fbtftops.write(par, par->buf, sizeof(type) + offset); \
if (ret < 0) { \
va_end(args); \
dev_err(par->info->device, "%s: write() failed and returned %d\n", __func__, ret); \
return; \
} \
ret = fbtft_write_buf_dc(par, par->buf, sizeof(type) + offset, 0); \
if (ret < 0) \
goto out; \
len--; \
\
if (par->startbyte) \
@ -51,19 +46,12 @@ void func(struct fbtft_par *par, int len, ...) \
\
if (len) { \
i = len; \
while (i--) { \
while (i--) \
*buf++ = modifier((type)va_arg(args, unsigned int)); \
} \
if (par->gpio.dc != -1) \
gpio_set_value(par->gpio.dc, 1); \
ret = par->fbtftops.write(par, par->buf, \
len * (sizeof(type) + offset)); \
if (ret < 0) { \
va_end(args); \
dev_err(par->info->device, "%s: write() failed and returned %d\n", __func__, ret); \
return; \
} \
fbtft_write_buf_dc(par, par->buf, \
len * (sizeof(type) + offset), 1); \
} \
out: \
va_end(args); \
} \
EXPORT_SYMBOL(func);
@ -243,10 +231,7 @@ int fbtft_write_vmem16_bus16(struct fbtft_par *par, size_t offset, size_t len)
vmem16 = (u16 *)(par->info->screen_buffer + offset);
if (par->gpio.dc != -1)
gpio_set_value(par->gpio.dc, 1);
/* no need for buffered write with 16-bit bus */
return par->fbtftops.write(par, vmem16, len);
return fbtft_write_buf_dc(par, vmem16, len, 1);
}
EXPORT_SYMBOL(fbtft_write_vmem16_bus16);