From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933511AbcI0CzN (ORCPT ); Mon, 26 Sep 2016 22:55:13 -0400 Received: from mail-it0-f67.google.com ([209.85.214.67]:33447 "EHLO mail-it0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753111AbcI0CzC (ORCPT ); Mon, 26 Sep 2016 22:55:02 -0400 Date: Mon, 26 Sep 2016 19:54:58 -0700 From: "'Dmitry Torokhov'" To: "Johnny.Chuang" Cc: "'Daniel Kurtz'" , "'Jennifer Tsai'" , linux-kernel@vger.kernel.org, linux-input@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 Message-ID: <20160927025458.GA7068@dtor-ws> References: <1472028265-5018-1-git-send-email-johnny.chuang@emc.com.tw> <1474617677-4785-1-git-send-email-johnny.chuang@emc.com.tw> <20160923213045.GC25499@dtor-ws> <000f01d2179e$02dfd1e0$089f75a0$@emc.com.tw> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000f01d2179e$02dfd1e0$089f75a0$@emc.com.tw> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 26, 2016 at 10:30:56AM +0800, Johnny.Chuang wrote: > 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); OK, since I already applied the other version I'll ignore this one as the difference is not important. Thanks. > > -----Original Message----- > From: Dmitry Torokhov [mailto:dmitry.torokhov@gmail.com] > Sent: Saturday, September 24, 2016 5:31 AM > To: Johnny Chuang > Cc: Daniel Kurtz; Jennifer Tsai; linux-kernel@vger.kernel.org; > linux-input@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 > > 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 > -- Dmitry