1 files changed, 38 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-04.patch b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-04.patch
new file mode 100644
index 0000000000..fb65ac98bb
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap2-git/beagleboard/TWL4030-04.patch
@@ -0,0 +1,38 @@
+TWL4030: clear MADC interrupt status registers upon init
+
+From: Paul Walmsley <paul@pwsan.com>
+
+twl_init_irq() does not clear MADC interrupt status registers upon init -
+fix.
+
+Signed-off-by: Paul Walmsley <paul@pwsan.com>
+---
+
+ drivers/i2c/chips/twl4030-core.c |   14 ++++++++++++++
+ 1 files changed, 14 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c
+index bb0732c..9d93524 100644
+--- a/drivers/i2c/chips/twl4030-core.c
++++ b/drivers/i2c/chips/twl4030-core.c
+@@ -821,6 +821,20 @@ static void twl_init_irq(void)
+                return;
+        }
+ 
++       /* MADC_ISR1 */
++       res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x61);
++       if (res < 0) {
++               pr_err("%s[%d][%d]\n", msg, res, __LINE__);
++               return;
++       }
++
++       /* MADC_ISR2 */
++       res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x63);
++       if (res < 0) {
++               pr_err("%s[%d][%d]\n", msg, res, __LINE__);
++               return;
++       }
++
+        /* key Pad */
+        /* KEYPAD - IMR1 */
+        res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x12));