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Staging: iio: adis16209/220/240/350: tuning spi delay to make hardware more stable 

Signed-off-by: Barry Song <21cnbao@gmail.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Barry Song 2010-06-04 17:19:54 +08:00 committed by Greg Kroah-Hartman
parent 3fd66da1d5
commit 00ae79463e
4 changed files with 18 additions and 16 deletions
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6
drivers/staging/iio/accel/adis16209_core.c
View File

@ -76,11 +76,13 @@ static int adis16209_spi_write_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 30,
}, {
.tx_buf = st->tx + 2,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 30,
},
};
@ -120,13 +122,13 @@ static int adis16209_spi_read_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 20,
.delay_usecs = 30,
}, {
.rx_buf = st->rx,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 20,
.delay_usecs = 30,
},
};

12
drivers/staging/iio/accel/adis16220_core.c
View File

@ -72,13 +72,13 @@ static int adis16220_spi_write_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.tx_buf = st->tx + 2,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};
@ -118,13 +118,13 @@ static int adis16220_spi_read_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.rx_buf = st->rx,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};
@ -291,9 +291,9 @@ static int adis16220_check_status(struct device *dev)
if (status & ADIS16220_DIAG_STAT_FLASH_UPT)
dev_err(dev, "Flash update failed\n");
if (status & ADIS16220_DIAG_STAT_POWER_HIGH)
dev_err(dev, "Power supply above 5.25V\n");
dev_err(dev, "Power supply above 3.625V\n");
if (status & ADIS16220_DIAG_STAT_POWER_LOW)
dev_err(dev, "Power supply below 4.75V\n");
dev_err(dev, "Power supply below 3.15V\n");
error_ret:
return ret;

8
drivers/staging/iio/accel/adis16240_core.c
View File

@ -74,13 +74,13 @@ static int adis16240_spi_write_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.tx_buf = st->tx + 2,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};
@ -120,13 +120,13 @@ static int adis16240_spi_read_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.rx_buf = st->rx,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};

8
drivers/staging/iio/imu/adis16350_core.c
View File

@ -75,13 +75,13 @@ static int adis16350_spi_write_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.tx_buf = st->tx + 2,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};
@ -121,13 +121,13 @@ static int adis16350_spi_read_reg_16(struct device *dev,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
}, {
.rx_buf = st->rx,
.bits_per_word = 8,
.len = 2,
.cs_change = 1,
.delay_usecs = 25,
.delay_usecs = 35,
},
};