diff options
| author | Philippe Langlais <philippe.langlais@linaro.org> | 2011-10-18 22:02:25 +0200 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:03:31 +0200 |
| commit | 75b6f30a8dd474f212352f081061566ecbd952f1 (patch) | |
| tree | cf9a1937f165c0fc2e2f4dd7eedca8a0298eb0ab | |
| parent | ea17b3ec968115040e365eed245606426d310df5 (diff) | |
bu21013: Proper reset implementation during suspend and resume
Proper reset implementation during suspend and resume for BU21013
touch screen driver by initializing the reset gpio pin.
ST-Ericsson Id: ER 334949
Signed-off-by: Naveen Kumar Gaddipati <naveen.gaddipati@stericsson.com>
Change-Id: I75469d92cf0d49d75500e0e24d34ca0bb5de6311
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/20840
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
| -rw-r--r-- | drivers/input/touchscreen/bu21013_ts.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c index c803af206cb..d6ae75865e4 100644 --- a/drivers/input/touchscreen/bu21013_ts.c +++ b/drivers/input/touchscreen/bu21013_ts.c @@ -213,6 +213,14 @@ static int bu21013_enable(struct bu21013_ts_data *pdata) if (pdata->regulator) regulator_enable(pdata->regulator); + if (pdata->chip->cs_en) { + retval = pdata->chip->cs_en(pdata->chip->cs_pin); + if (retval < 0) { + dev_err(&pdata->client->dev, "enable hw failed\n"); + return retval; + } + } + if (pdata->ext_clk_state) retval = bu21013_ext_clk(pdata, true, true); else @@ -242,6 +250,8 @@ static void bu21013_disable(struct bu21013_ts_data *pdata) (void) bu21013_ext_clk(pdata, false, false); disable_irq(pdata->chip->irq); + if (pdata->chip->cs_dis) + pdata->chip->cs_dis(pdata->chip->cs_pin); if (pdata->regulator) regulator_disable(pdata->regulator); } |