diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.33-i2c-workaround-for-aava-koski-touchscreen.patch')
-rw-r--r-- | meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.33-i2c-workaround-for-aava-koski-touchscreen.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.33-i2c-workaround-for-aava-koski-touchscreen.patch b/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.33-i2c-workaround-for-aava-koski-touchscreen.patch new file mode 100644 index 000000000..fd267df47 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-netbook-2.6.33.2/linux-2.6.33-i2c-workaround-for-aava-koski-touchscreen.patch @@ -0,0 +1,41 @@ +From b766d59f044858ed3d149e97619a0bf5cc2873f3 Mon Sep 17 00:00:00 2001 +From: Priya Vijayan <priya.vijayan@intel.com> +Date: Tue, 27 Apr 2010 13:23:28 -0700 +Subject: [PATCH] workaround for aava KOSKI + +Signed-off-by: Priya Vijayan <priya.vijayan@intel.com> +--- + drivers/i2c/busses/i2c-mrst.c | 3 +++ + 1 files changed, 3 insertions(+), 0 deletions(-) + +diff --git a/drivers/i2c/busses/i2c-mrst.c b/drivers/i2c/busses/i2c-mrst.c +index e591a90..0737f42 100644 +--- a/drivers/i2c/busses/i2c-mrst.c ++++ b/drivers/i2c/busses/i2c-mrst.c +@@ -217,6 +217,7 @@ static int mrst_i2c_disable(struct i2c_adapter *adap) + dev_dbg(&adap->dev, "i2c is busy, count is %d\n", count); + if (count++ > 10000) + return -EBUSY; ++ udelay(10); + } + + /* Set IC_ENABLE to 0 */ +@@ -468,6 +469,7 @@ static int xfer_read(struct i2c_adapter *adap, unsigned char *buf, int length) + reg_val = mrst_i2c_read(i2c->base + IC_STATUS); + if (count++ > MAX_T_POLL_COUNT) + goto read_loop; ++ udelay(10); + } + + reg_val = mrst_i2c_read(i2c->base + IC_DATA_CMD); +@@ -522,6 +524,7 @@ static int xfer_write(struct i2c_adapter *adap, + while ((reg_val & bit_get) == 0) { + if (count++ > MAX_T_POLL_COUNT) + goto write_loop; ++ udelay(10); + reg_val = mrst_i2c_read(i2c->base + IC_STATUS); + } + +-- +1.6.2.2 + |