ad525x_dpot: add support for ADN2860 and AD528x pots

New parts supported:
	AD5280, AD5282, ADN2860

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 17 insertions, 11 deletions

diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 35a4c4b343d4..255ba4b5e355 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -44,6 +44,9 @@
  * AD5243               2               256             2.5, 10, 50, 100
  * AD5248               2               256             2.5, 10, 50, 100
  * AD5242               2               256             20, 50, 200
+ * AD5280               1               256             20, 50, 200
+ * AD5282               2               256             20, 50, 200
+ * ADN2860              3               512             25, 250
  *
  * See Documentation/misc-devices/ad525x_dpot.txt for more info.
  *
@@ -154,6 +157,8 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
         case DPOT_UID(AD5242_ID):
         case DPOT_UID(AD5243_ID):
         case DPOT_UID(AD5248_ID):
+        case DPOT_UID(AD5280_ID):
+        case DPOT_UID(AD5282_ID):
                 ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
                         0 : DPOT_AD5291_RDAC_AB;
                 return dpot_read_r8d8(dpot, ctrl);
@@ -250,21 +255,22 @@ static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
         case DPOT_UID(AD5242_ID):
         case DPOT_UID(AD5243_ID):
         case DPOT_UID(AD5248_ID):
-                ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ? 0 : DPOT_AD5291_RDAC_AB;
+        case DPOT_UID(AD5280_ID):
+        case DPOT_UID(AD5282_ID):
+                ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
+                        0 : DPOT_AD5291_RDAC_AB;
                 return dpot_write_r8d8(dpot, ctrl, value);
                 break;
-
-
         default:
-        if (reg & DPOT_ADDR_CMD)
-                return dpot_write_d8(dpot, reg);
+                if (reg & DPOT_ADDR_CMD)
+                        return dpot_write_d8(dpot, reg);
 
-        if (dpot->max_pos > 256)
-                return dpot_write_r8d16(dpot, (reg & 0xF8) |
-                                        ((reg & 0x7) << 1), value);
-        else
-                /* All other registers require instruction + data bytes */
-                return dpot_write_r8d8(dpot, reg, value);
+                if (dpot->max_pos > 256)
+                        return dpot_write_r8d16(dpot, (reg & 0xF8) |
+                                                ((reg & 0x7) << 1), value);
+                else
+                        /* All other registers require instruction + data bytes */
+                        return dpot_write_r8d8(dpot, reg, value);
         }
 }