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Audio codec: add i2c scl_rate,default 100k.

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This commit is contained in:
qjb
2014-02-20 18:01:26 +08:00
parent 05920f81d2
commit 498fab0f01
2 changed files with 6 additions and 0 deletions
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4
drivers/base/regmap/regmap-i2c.c Normal file → Executable file
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@@ -49,11 +49,13 @@ static int regmap_i2c_gather_write(void *context,
xfer[0].flags = 0;
xfer[0].len = reg_size;
xfer[0].buf = (void *)reg;
xfer[0].scl_rate = 100*1000;
xfer[1].addr = i2c->addr;
xfer[1].flags = I2C_M_NOSTART;
xfer[1].len = val_size;
xfer[1].buf = (void *)val;
xfer[1].scl_rate = 100*1000;
ret = i2c_transfer(i2c->adapter, xfer, 2);
if (ret == 2)
@@ -77,11 +79,13 @@ static int regmap_i2c_read(void *context,
xfer[0].flags = 0;
xfer[0].len = reg_size;
xfer[0].buf = (void *)reg;
xfer[0].scl_rate = 100*1000;
xfer[1].addr = i2c->addr;
xfer[1].flags = I2C_M_RD;
xfer[1].len = val_size;
xfer[1].buf = val;
xfer[1].scl_rate = 100*1000;
ret = i2c_transfer(i2c->adapter, xfer, 2);
if (ret == 2)

2
drivers/i2c/i2c-core.c Normal file → Executable file
View File

@@ -1586,6 +1586,7 @@ int i2c_master_send(const struct i2c_client *client, const char *buf, int count)
msg.flags = client->flags & I2C_M_TEN;
msg.len = count;
msg.buf = (char *)buf;
msg.scl_rate = 100 * 1000;
ret = i2c_transfer(adap, &msg, 1);
@@ -1616,6 +1617,7 @@ int i2c_master_recv(const struct i2c_client *client, char *buf, int count)
msg.flags |= I2C_M_RD;
msg.len = count;
msg.buf = buf;
msg.scl_rate = 100 * 1000;
ret = i2c_transfer(adap, &msg, 1);