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-rw-r--r--drivers/misc/Kconfig3
-rw-r--r--drivers/misc/ad525x_dpot-i2c.c3
-rw-r--r--drivers/misc/ad525x_dpot.c28
-rw-r--r--drivers/misc/ad525x_dpot.h6
4 files changed, 26 insertions, 14 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 90c3415dc90a..233886d00861 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -23,7 +23,8 @@ config AD525X_DPOT
23 AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235, 23 AD5204, AD5206, AD5207, AD5231, AD5232, AD5233, AD5235,
24 AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293, 24 AD5260, AD5262, AD5263, AD5290, AD5291, AD5292, AD5293,
25 AD7376, AD8400, AD8402, AD8403, ADN2850, AD5241, AD5242, 25 AD7376, AD8400, AD8402, AD8403, ADN2850, AD5241, AD5242,
26 AD5243, AD5245, AD5246, AD5247, AD5248 26 AD5243, AD5245, AD5246, AD5247, AD5248, AD5280, AD5282,
27 ADN2860
27 digital potentiometer chips. 28 digital potentiometer chips.
28 29
29 See Documentation/misc-devices/ad525x_dpot.txt for the 30 See Documentation/misc-devices/ad525x_dpot.txt for the
diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c
index 0dfad4e70f74..abba18efdde3 100644
--- a/drivers/misc/ad525x_dpot-i2c.c
+++ b/drivers/misc/ad525x_dpot-i2c.c
@@ -94,6 +94,9 @@ static const struct i2c_device_id ad_dpot_id[] = {
94 {"ad5246", AD5246_ID}, 94 {"ad5246", AD5246_ID},
95 {"ad5247", AD5247_ID}, 95 {"ad5247", AD5247_ID},
96 {"ad5248", AD5248_ID}, 96 {"ad5248", AD5248_ID},
97 {"ad5280", AD5280_ID},
98 {"ad5282", AD5282_ID},
99 {"adn2860", ADN2860_ID},
97 {} 100 {}
98}; 101};
99MODULE_DEVICE_TABLE(i2c, ad_dpot_id); 102MODULE_DEVICE_TABLE(i2c, ad_dpot_id);
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 @@
44 * AD5243 2 256 2.5, 10, 50, 100 44 * AD5243 2 256 2.5, 10, 50, 100
45 * AD5248 2 256 2.5, 10, 50, 100 45 * AD5248 2 256 2.5, 10, 50, 100
46 * AD5242 2 256 20, 50, 200 46 * AD5242 2 256 20, 50, 200
47 * AD5280 1 256 20, 50, 200
48 * AD5282 2 256 20, 50, 200
49 * ADN2860 3 512 25, 250
47 * 50 *
48 * See Documentation/misc-devices/ad525x_dpot.txt for more info. 51 * See Documentation/misc-devices/ad525x_dpot.txt for more info.
49 * 52 *
@@ -154,6 +157,8 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
154 case DPOT_UID(AD5242_ID): 157 case DPOT_UID(AD5242_ID):
155 case DPOT_UID(AD5243_ID): 158 case DPOT_UID(AD5243_ID):
156 case DPOT_UID(AD5248_ID): 159 case DPOT_UID(AD5248_ID):
160 case DPOT_UID(AD5280_ID):
161 case DPOT_UID(AD5282_ID):
157 ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ? 162 ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
158 0 : DPOT_AD5291_RDAC_AB; 163 0 : DPOT_AD5291_RDAC_AB;
159 return dpot_read_r8d8(dpot, ctrl); 164 return dpot_read_r8d8(dpot, ctrl);
@@ -250,21 +255,22 @@ static s32 dpot_write_i2c(struct dpot_data *dpot, u8 reg, u16 value)
250 case DPOT_UID(AD5242_ID): 255 case DPOT_UID(AD5242_ID):
251 case DPOT_UID(AD5243_ID): 256 case DPOT_UID(AD5243_ID):
252 case DPOT_UID(AD5248_ID): 257 case DPOT_UID(AD5248_ID):
253 ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ? 0 : DPOT_AD5291_RDAC_AB; 258 case DPOT_UID(AD5280_ID):
259 case DPOT_UID(AD5282_ID):
260 ctrl = ((reg & DPOT_RDAC_MASK) == DPOT_RDAC0) ?
261 0 : DPOT_AD5291_RDAC_AB;
254 return dpot_write_r8d8(dpot, ctrl, value); 262 return dpot_write_r8d8(dpot, ctrl, value);
255 break; 263 break;
256
257
258 default: 264 default:
259 if (reg & DPOT_ADDR_CMD) 265 if (reg & DPOT_ADDR_CMD)
260 return dpot_write_d8(dpot, reg); 266 return dpot_write_d8(dpot, reg);
261 267
262 if (dpot->max_pos > 256) 268 if (dpot->max_pos > 256)
263 return dpot_write_r8d16(dpot, (reg & 0xF8) | 269 return dpot_write_r8d16(dpot, (reg & 0xF8) |
264 ((reg & 0x7) << 1), value); 270 ((reg & 0x7) << 1), value);
265 else 271 else
266 /* All other registers require instruction + data bytes */ 272 /* All other registers require instruction + data bytes */
267 return dpot_write_r8d8(dpot, reg, value); 273 return dpot_write_r8d8(dpot, reg, value);
268 } 274 }
269} 275}
270 276
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index 849c5d0782b2..d789a95cbe09 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -112,8 +112,10 @@ enum dpot_devid {
112 AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37), 112 AD5246_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 37),
113 AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38), 113 AD5247_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 7, 38),
114 AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39), 114 AD5248_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 39),
115 115 AD5280_ID = DPOT_CONF(F_RDACS_RW, BRDAC0, 8, 40),
116 116 AD5282_ID = DPOT_CONF(F_RDACS_RW, BRDAC0 | BRDAC1, 8, 41),
117 ADN2860_ID = DPOT_CONF(F_RDACS_RW_TOL | F_CMD_INC,
118 BRDAC0 | BRDAC1 | BRDAC2, 9, 42),
117}; 119};
118 120
119#define DPOT_RDAC0 0 121#define DPOT_RDAC0 0