Staging: fbtft: fb_pcd8544: Fix comments style

This patch fixes the following errors by refactoring the comments'
style:

WARNING: line over 80 characters
ERROR: code indent should use tabs where possible

Signed-off-by: Cláudio Maia <crrm@isep.ipp.pt>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/fbtft/fb_pcd8544.c b/drivers/staging/fbtft/fb_pcd8544.c
index 2d56213f118720ff5ea86137c47faccc40f714ac..15da0ec77513a464b348c1123a7e57629cc7b0a4 100644 (file)
--- a/drivers/staging/fbtft/fb_pcd8544.c
+++ b/drivers/staging/fbtft/fb_pcd8544.c
@@ -34,7 +34,7 @@
 #define WIDTH          84
 #define HEIGHT         48
 #define TXBUFLEN       (84*6)
-#define DEFAULT_GAMMA  "40" /* gamma is used to control contrast in this driver */
+#define DEFAULT_GAMMA  "40" /* gamma controls the contrast in this driver */
 
 static unsigned tc;
 module_param(tc, uint, 0);
@@ -51,43 +51,50 @@ static int init_display(struct fbtft_par *par)
 
        par->fbtftops.reset(par);
 
-       /* Function set */
-       write_reg(par, 0x21); /* 5:1  1
-                                2:0  PD - Powerdown control: chip is active
-                                                        1:0  V  - Entry mode: horizontal addressing
-                                                        0:1  H  - Extended instruction set control: extended
-                                                 */
-
-       /* H=1 Temperature control */
-       write_reg(par, 0x04 | (tc & 0x3)); /*
-                                2:1  1
-                                1:x  TC1 - Temperature Coefficient: 0x10
-                                                        0:x  TC0
-                                                 */
-
-       /* H=1 Bias system */
-       write_reg(par, 0x10 | (bs & 0x7)); /*
-                                4:1  1
-                                3:0  0
-                                                        2:x  BS2 - Bias System
-                                                        1:x  BS1
-                                                        0:x  BS0
-                             */
-
-       /* Function set */
-       write_reg(par, 0x22); /* 5:1  1
-                                2:0  PD - Powerdown control: chip is active
-                                                        1:1  V  - Entry mode: vertical addressing
-                                                        0:0  H  - Extended instruction set control: basic
-                                                 */
-
-       /* H=0 Display control */
-       write_reg(par, 0x08 | 4); /*
-                                3:1  1
-                                2:1  D  - DE: 10=normal mode
-                                                        1:0  0
-                                                        0:0  E
-                                                 */
+       /* Function set
+        *
+        * 5:1  1
+        * 2:0  PD - Powerdown control: chip is active
+        * 1:0  V  - Entry mode: horizontal addressing
+        * 0:1  H  - Extended instruction set control: extended
+        */
+       write_reg(par, 0x21);
+
+       /* H=1 Temperature control
+        *
+        * 2:1  1
+        * 1:x  TC1 - Temperature Coefficient: 0x10
+        * 0:x  TC0
+        */
+       write_reg(par, 0x04 | (tc & 0x3));
+
+       /* H=1 Bias system
+        *
+        * 4:1  1
+        * 3:0  0
+        * 2:x  BS2 - Bias System
+        * 1:x  BS1
+        * 0:x  BS0
+        */
+       write_reg(par, 0x10 | (bs & 0x7));
+
+       /* Function set
+        *
+        * 5:1  1
+        * 2:0  PD - Powerdown control: chip is active
+        * 1:1  V  - Entry mode: vertical addressing
+        * 0:0  H  - Extended instruction set control: basic
+        */
+       write_reg(par, 0x22);
+
+       /* H=0 Display control
+        *
+        * 3:1  1
+        * 2:1  D  - DE: 10=normal mode
+        * 1:0  0
+        * 0:0  E
+        */
+       write_reg(par, 0x08 | 4);
 
        return 0;
 }
@@ -97,16 +104,20 @@ 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);
 
-       /* H=0 Set X address of RAM */
-       write_reg(par, 0x80); /* 7:1  1
-                                6-0: X[6:0] - 0x00
-                             */
-
-       /* H=0 Set Y address of RAM */
-       write_reg(par, 0x40); /* 7:0  0
-                                6:1  1
-                                2-0: Y[2:0] - 0x0
-                             */
+       /* H=0 Set X address of RAM
+        *
+        * 7:1  1
+        * 6-0: X[6:0] - 0x00
+        */
+       write_reg(par, 0x80);
+
+       /* H=0 Set Y address of RAM
+        *
+        * 7:0  0
+        * 6:1  1
+        * 2-0: Y[2:0] - 0x0
+        */
+       write_reg(par, 0x40);
 }
 
 static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)