There is only one different which is adding a new empty line for coding style.
> if (!error) > - error = elants_i2c_query_fw_id(ts); > + error = error2; > + > if (!error) > error = elants_i2c_query_fw_version(ts); -----Original Message----- From: Dmitry Torokhov [mailto:dmitry.torok...@gmail.com] Sent: Saturday, September 24, 2016 5:31 AM To: Johnny Chuang Cc: Daniel Kurtz; Jennifer Tsai; linux-kernel@vger.kernel.org; linux-in...@vger.kernel.org; James Chen; Paul Liang; Jeff Chuang; Agnes Cheng Subject: Re: [PATCH v3] Input: elants_i2c - get product id on recovery mode for FW update On Fri, Sep 23, 2016 at 04:01:17PM +0800, Johnny Chuang wrote: > This CL takes the responsibility for getting product/hardware id on > recovery mode. > It will fix firmware update script could not find correspond firmware > file name on recovery mode. > BTW, firmware must need to support reading product/hardware id on boot > code. > > Signed-off-by: Johnny Chuang <johnny.chu...@emc.com.tw> This appears to be exactly the same as to what I already have in my "next" branch... > --- > drivers/input/touchscreen/elants_i2c.c | 31 > ++++++++++++++++++++----------- > 1 file changed, 20 insertions(+), 11 deletions(-) > > diff --git a/drivers/input/touchscreen/elants_i2c.c > b/drivers/input/touchscreen/elants_i2c.c > index ac09855..02aec28 100644 > --- a/drivers/input/touchscreen/elants_i2c.c > +++ b/drivers/input/touchscreen/elants_i2c.c > @@ -298,7 +298,7 @@ static u16 elants_i2c_parse_version(u8 *buf) > return get_unaligned_be32(buf) >> 4; } > > -static int elants_i2c_query_fw_id(struct elants_data *ts) > +static int elants_i2c_query_hw_version(struct elants_data *ts) > { > struct i2c_client *client = ts->client; > int error, retry_cnt; > @@ -318,8 +318,13 @@ static int elants_i2c_query_fw_id(struct elants_data *ts) > error, (int)sizeof(resp), resp); > } > > - dev_err(&client->dev, > - "Failed to read fw id or fw id is invalid\n"); > + if (error) { > + dev_err(&client->dev, > + "Failed to read fw id: %d\n", error); > + return error; > + } > + > + dev_err(&client->dev, "Invalid fw id: %#04x\n", ts->hw_version); > > return -EINVAL; > } > @@ -508,7 +513,7 @@ static int elants_i2c_fastboot(struct i2c_client > *client) static int elants_i2c_initialize(struct elants_data *ts) { > struct i2c_client *client = ts->client; > - int error, retry_cnt; > + int error, error2, retry_cnt; > const u8 hello_packet[] = { 0x55, 0x55, 0x55, 0x55 }; > const u8 recov_packet[] = { 0x55, 0x55, 0x80, 0x80 }; > u8 buf[HEADER_SIZE]; > @@ -553,18 +558,22 @@ static int elants_i2c_initialize(struct elants_data *ts) > } > } > > + /* hw version is available even if device in recovery state */ > + error2 = elants_i2c_query_hw_version(ts); > if (!error) > - error = elants_i2c_query_fw_id(ts); > + error = error2; > + > if (!error) > error = elants_i2c_query_fw_version(ts); > + if (!error) > + error = elants_i2c_query_test_version(ts); > + if (!error) > + error = elants_i2c_query_bc_version(ts); > + if (!error) > + error = elants_i2c_query_ts_info(ts); > > - if (error) { > + if (error) > ts->iap_mode = ELAN_IAP_RECOVERY; > - } else { > - elants_i2c_query_test_version(ts); > - elants_i2c_query_bc_version(ts); > - elants_i2c_query_ts_info(ts); > - } > > return 0; > } > -- > 1.8.3.2 > -- Dmitry
