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path: root/drivers/staging/fbtft/fb_ili9325.c
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Diffstat (limited to 'drivers/staging/fbtft/fb_ili9325.c')
-rw-r--r--drivers/staging/fbtft/fb_ili9325.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/staging/fbtft/fb_ili9325.c b/drivers/staging/fbtft/fb_ili9325.c
index 19d254e9a420..3b3a06d8a125 100644
--- a/drivers/staging/fbtft/fb_ili9325.c
+++ b/drivers/staging/fbtft/fb_ili9325.c
@@ -14,10 +14,6 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
@@ -36,7 +32,6 @@
#define DEFAULT_GAMMA "0F 00 7 2 0 0 6 5 4 1\n" \
"04 16 2 7 6 3 2 1 7 7"
-
static unsigned bt = 6; /* VGL=Vci*4 , VGH=Vci*4 */
module_param(bt, uint, 0);
MODULE_PARM_DESC(bt, "Sets the factor used in the step-up circuits");
@@ -60,7 +55,6 @@ static unsigned vcm = 0x0a; /* VCOMH=VREG1OUT*0.735 */
module_param(vcm, uint, 0);
MODULE_PARM_DESC(vcm, "Set the internal VcomH voltage");
-
/*
Verify that this configuration is within the Voltage limits
@@ -101,8 +95,6 @@ VCOMH - VCOML < 6.0 => 4.79 < 6.0
static int init_display(struct fbtft_par *par)
{
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
-
par->fbtftops.reset(par);
if (par->gpio.cs != -1)
@@ -176,8 +168,6 @@ static int init_display(struct fbtft_par *par)
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
- fbtft_par_dbg(DEBUG_SET_ADDR_WIN, par,
- "%s(xs=%d, ys=%d, xe=%d, ye=%d)\n", __func__, xs, ys, xe, ye);
switch (par->info->var.rotate) {
/* R20h = Horizontal GRAM Start Address */
/* R21h = Vertical GRAM Start Address */
@@ -203,8 +193,6 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
static int set_var(struct fbtft_par *par)
{
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
-
switch (par->info->var.rotate) {
/* AM: GRAM update direction */
case 0:
@@ -229,7 +217,7 @@ static int set_var(struct fbtft_par *par)
VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5
VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5
*/
-#define CURVE(num, idx) curves[num*par->gamma.num_values + idx]
+#define CURVE(num, idx) curves[num * par->gamma.num_values + idx]
static int set_gamma(struct fbtft_par *par, unsigned long *curves)
{
unsigned long mask[] = {
@@ -238,12 +226,10 @@ static int set_gamma(struct fbtft_par *par, unsigned long *curves)
};
int i, j;
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "%s()\n", __func__);
-
/* apply mask */
for (i = 0; i < 2; i++)
for (j = 0; j < 10; j++)
- CURVE(i, j) &= mask[i*par->gamma.num_values + j];
+ CURVE(i, j) &= mask[i * par->gamma.num_values + j];
write_reg(par, 0x0030, CURVE(0, 5) << 8 | CURVE(0, 4));
write_reg(par, 0x0031, CURVE(0, 7) << 8 | CURVE(0, 6));
@@ -261,7 +247,6 @@ static int set_gamma(struct fbtft_par *par, unsigned long *curves)
}
#undef CURVE
-
static struct fbtft_display display = {
.regwidth = 16,
.width = WIDTH,
@@ -278,6 +263,7 @@ static struct fbtft_display display = {
.set_gamma = set_gamma,
},
};
+
FBTFT_REGISTER_DRIVER(DRVNAME, "ilitek,ili9325", &display);
MODULE_ALIAS("spi:" DRVNAME);