1 files changed, 46 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0009-tscadc-make-stepconfig-channel-configurable.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0009-tscadc-make-stepconfig-channel-configurable.patch
new file mode 100644
index 00000000..47d9b248
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0009-tscadc-make-stepconfig-channel-configurable.patch
@@ -0,0 +1,46 @@
+From 750ca3e9b053119b867d3630bf5c891b845144b3 Mon Sep 17 00:00:00 2001
+From: Joel A Fernandes <joelagnel@ti.com>
+Date: Mon, 28 Nov 2011 18:18:04 -0600
+Subject: [PATCH 09/22] tscadc: make stepconfig channel-configurable
+
+Signed-off-by: Joel A Fernandes <joelagnel@ti.com>
+---
+ drivers/input/touchscreen/ti_tscadc.c |    8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/input/touchscreen/ti_tscadc.c b/drivers/input/touchscreen/ti_tscadc.c
+index f813564..0b91bdc 100644
+--- a/drivers/input/touchscreen/ti_tscadc.c
++++ b/drivers/input/touchscreen/ti_tscadc.c
+@@ -129,7 +129,9 @@ static void tscadc_writel(struct tscadc *tsc, unsigned int reg,
+        writel(val, tsc->tsc_base + reg);
+ }
+ 
+-static void tsc_adc_step_config(struct tscadc *ts_dev)
++/* Configure ADC to sample on channel (1-8) */
++
++static void tsc_adc_step_config(struct tscadc *ts_dev, int channel)
+ {
+        unsigned int    stepconfig = 0, delay = 0, chargeconfig = 0;
+ 
+@@ -141,7 +143,7 @@ static void tsc_adc_step_config(struct tscadc *ts_dev)
+         */
+        stepconfig = TSCADC_STEPCONFIG_MODE_SWONESHOT |
+                TSCADC_STEPCONFIG_2SAMPLES_AVG |
+-               (0x7 << 19);
++               ((channel-1) << 19);
+ 
+        delay = TSCADC_STEPCONFIG_SAMPLEDLY | TSCADC_STEPCONFIG_OPENDLY;
+ 
+@@ -602,7 +604,7 @@ static      int __devinit tscadc_probe(struct platform_device *pdev)
+                        goto err_fail;
+        }
+        else {
+-               tsc_adc_step_config(ts_dev);
++               tsc_adc_step_config(ts_dev, 8);
+                tscadc_writel(ts_dev, TSCADC_REG_FIFO0THR, 0);
+                irqenable = TSCADC_IRQENB_FIFO0THRES;
+        }
+-- 
+1.7.9.4
+