diff options
Diffstat (limited to 'drivers/power/olpc_battery.c')
-rw-r--r-- | drivers/power/olpc_battery.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index 32570af3c5c9..5fbca2681baa 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c | |||
@@ -205,9 +205,9 @@ static int olpc_bat_get_property(struct power_supply *psy, | |||
205 | union power_supply_propval *val) | 205 | union power_supply_propval *val) |
206 | { | 206 | { |
207 | int ret = 0; | 207 | int ret = 0; |
208 | int16_t ec_word; | 208 | __be16 ec_word; |
209 | uint8_t ec_byte; | 209 | uint8_t ec_byte; |
210 | uint64_t ser_buf; | 210 | __be64 ser_buf; |
211 | 211 | ||
212 | ret = olpc_ec_cmd(EC_BAT_STATUS, NULL, 0, &ec_byte, 1); | 212 | ret = olpc_ec_cmd(EC_BAT_STATUS, NULL, 0, &ec_byte, 1); |
213 | if (ret) | 213 | if (ret) |
@@ -257,16 +257,14 @@ static int olpc_bat_get_property(struct power_supply *psy, | |||
257 | if (ret) | 257 | if (ret) |
258 | return ret; | 258 | return ret; |
259 | 259 | ||
260 | ec_word = be16_to_cpu(ec_word); | 260 | val->intval = (int)be16_to_cpu(ec_word) * 9760L / 32; |
261 | val->intval = ec_word * 9760L / 32; | ||
262 | break; | 261 | break; |
263 | case POWER_SUPPLY_PROP_CURRENT_AVG: | 262 | case POWER_SUPPLY_PROP_CURRENT_AVG: |
264 | ret = olpc_ec_cmd(EC_BAT_CURRENT, NULL, 0, (void *)&ec_word, 2); | 263 | ret = olpc_ec_cmd(EC_BAT_CURRENT, NULL, 0, (void *)&ec_word, 2); |
265 | if (ret) | 264 | if (ret) |
266 | return ret; | 265 | return ret; |
267 | 266 | ||
268 | ec_word = be16_to_cpu(ec_word); | 267 | val->intval = (int)be16_to_cpu(ec_word) * 15625L / 120; |
269 | val->intval = ec_word * 15625L / 120; | ||
270 | break; | 268 | break; |
271 | case POWER_SUPPLY_PROP_CAPACITY: | 269 | case POWER_SUPPLY_PROP_CAPACITY: |
272 | ret = olpc_ec_cmd(EC_BAT_SOC, NULL, 0, &ec_byte, 1); | 270 | ret = olpc_ec_cmd(EC_BAT_SOC, NULL, 0, &ec_byte, 1); |
@@ -278,24 +276,22 @@ static int olpc_bat_get_property(struct power_supply *psy, | |||
278 | ret = olpc_ec_cmd(EC_BAT_TEMP, NULL, 0, (void *)&ec_word, 2); | 276 | ret = olpc_ec_cmd(EC_BAT_TEMP, NULL, 0, (void *)&ec_word, 2); |
279 | if (ret) | 277 | if (ret) |
280 | return ret; | 278 | return ret; |
281 | ec_word = be16_to_cpu(ec_word); | 279 | |
282 | val->intval = ec_word * 100 / 256; | 280 | val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; |
283 | break; | 281 | break; |
284 | case POWER_SUPPLY_PROP_TEMP_AMBIENT: | 282 | case POWER_SUPPLY_PROP_TEMP_AMBIENT: |
285 | ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2); | 283 | ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2); |
286 | if (ret) | 284 | if (ret) |
287 | return ret; | 285 | return ret; |
288 | 286 | ||
289 | ec_word = be16_to_cpu(ec_word); | 287 | val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; |
290 | val->intval = ec_word * 100 / 256; | ||
291 | break; | 288 | break; |
292 | case POWER_SUPPLY_PROP_CHARGE_COUNTER: | 289 | case POWER_SUPPLY_PROP_CHARGE_COUNTER: |
293 | ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2); | 290 | ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2); |
294 | if (ret) | 291 | if (ret) |
295 | return ret; | 292 | return ret; |
296 | 293 | ||
297 | ec_word = be16_to_cpu(ec_word); | 294 | val->intval = (int)be16_to_cpu(ec_word) * 6250 / 15; |
298 | val->intval = ec_word * 6250 / 15; | ||
299 | break; | 295 | break; |
300 | case POWER_SUPPLY_PROP_SERIAL_NUMBER: | 296 | case POWER_SUPPLY_PROP_SERIAL_NUMBER: |
301 | ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8); | 297 | ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8); |