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@@ -79,7 +79,7 @@ static int ds13307_write_bytes(struct i2c_client *client,
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memmove(buf + 1, bytes, length);
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msg.addr = client->addr;
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msg.len = length + 1;
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- msg.buf = addr;
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+ msg.buf = buf;
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r = i2c_transfer(client->adapter, &msg, 1);
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kfree(buf);
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if (r == 1) {
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@@ -232,7 +232,12 @@ static int ds13307_nvram_read(void *priv, unsigned int offset, void *buf, size_t
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}
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static int ds13307_nvram_write(void *priv, unsigned int offset, void *buf, size_t count) {
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- return 0;
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+ struct i2c_client *client = priv;
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+ u8 addr = DS1307_NVRAM_BASE + offset;
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+ if (!ds13307_write_bytes(client, &addr, buf, count)) {
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+ return count;
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+ }
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+ return -EIO;
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}
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static int ds13307_probe(struct i2c_client *client,
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@@ -252,6 +257,7 @@ static int ds13307_probe(struct i2c_client *client,
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ds1307_nvmem.word_size = 1;
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ds1307_nvmem.size = 56;
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ds1307_nvmem.reg_read = ds13307_nvram_read;
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+ ds1307_nvmem.reg_write = ds13307_nvram_write;
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ds1307_nvmem.priv = client;
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rtc->nvmem_config = &ds1307_nvmem;
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}
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