From: Oliver Neukum <oliver@neukum.org>
To: "Bruno Prémont" <bonbons@linux-vserver.org>
Cc: Jiri Kosina <jkosina@suse.cz>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-input@vger.kernel.org, linux-usb@vger.kernel.org,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"Rick L. Vinyard Jr." <rvinyard@cs.nmsu.edu>,
Nicu Pavel <npavel@ituner.com>,
Jaya Kumar <jayakumar.lkml@gmail.com>
Subject: Re: [PATCH v6 1/8] hid: new driver for PicoLCD device
Date: Thu, 01 Apr 2010 16:58:45 +0000 [thread overview]
Message-ID: <201004011858.45859.oliver@neukum.org> (raw)
In-Reply-To: <20100330223350.32044891@neptune.home>
Am Dienstag, 30. März 2010 22:33:50 schrieb Bruno Prémont:
> +static ssize_t picolcd_operation_mode_store(struct device *dev,
> + struct device_attribute *attr, const char *buf, size_t count)
> +{
> + struct picolcd_data *data = dev_get_drvdata(dev);
> + struct hid_report *report = NULL;
> + size_t cnt = count;
> + int timeout = 5000;
> + unsigned u;
> + unsigned long flags;
> +
> + if (cnt >= 3 && strncmp("lcd", buf, 3) = 0) {
> + if (data->status & PICOLCD_BOOTLOADER)
> + report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev);
> + buf += 3;
> + cnt -= 3;
> + } else if (cnt >= 10 && strncmp("bootloader", buf, 10) = 0) {
> + if (!(data->status & PICOLCD_BOOTLOADER))
> + report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev);
> + buf += 10;
> + cnt -= 10;
> + }
> + if (!report)
> + return -EINVAL;
> +
> + while (cnt > 0 && (*buf = ' ' || *buf = '\t')) {
> + buf++;
> + cnt--;
> + }
> + while (cnt > 0 && (buf[cnt-1] = '\n' || buf[cnt-1] = '\r'))
> + cnt--;
> + if (cnt > 0) {
> + if (sscanf(buf, "%u", &u) != 1)
> + return -EINVAL;
> + if (u > 30000)
> + return -EINVAL;
> + else
> + timeout = u;
> + }
> +
> + spin_lock_irqsave(&data->lock, flags);
> + hid_set_field(report->field[0], 0, timeout & 0xff);
> + hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff);
> + usbhid_submit_report(data->hdev, report, USB_DIR_OUT);
> + spin_unlock_irqrestore(&data->lock, flags);
> + return count;
> +}
> +
> +static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show,
> + picolcd_operation_mode_store);
This violates the one file = one attribute rule.
Can you change this interface?
Regards
Oliver
next prev parent reply other threads:[~2010-04-01 16:58 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-24 22:37 [PATCH v3 0/6] hid: new driver for PicoLCD device Bruno Prémont
2010-03-24 22:49 ` [PATCH v3 2/6] hid: add framebuffer support to " Bruno Prémont
2010-03-27 0:22 ` [PATCH v4 " Bruno Prémont
2010-03-29 20:30 ` [PATCH v5 " Bruno Prémont
2010-03-24 22:51 ` [PATCH v3 3/6] hid: add backlight " Bruno Prémont
2010-03-24 22:54 ` [PATCH v3 4/6] hid: add lcd " Bruno Prémont
[not found] ` <20100324233707.7243b04d-hY15tx4IgV39zxVx7UNMDg@public.gmane.org>
2010-03-24 22:40 ` [PATCH v3 1/6] hid: new driver for " Bruno Prémont
2010-03-26 6:56 ` Dmitry Torokhov
2010-03-26 9:29 ` Bruno Prémont
2010-03-26 20:59 ` Jiri Kosina
2010-03-26 21:16 ` Dmitry Torokhov
2010-03-26 21:39 ` Bruno Prémont
2010-03-27 0:22 ` [PATCH v4 " Bruno Prémont
2010-03-29 9:47 ` Jiri Kosina
2010-03-29 10:16 ` Bruno Prémont
2010-03-30 8:12 ` Jiri Kosina
2010-03-30 20:32 ` [PATCH v6 0/8] " Bruno Prémont
2010-03-30 20:33 ` [PATCH v6 1/8] " Bruno Prémont
2010-04-01 16:58 ` Oliver Neukum [this message]
2010-04-25 19:29 ` [PATCH] hid: split picolcd's operation_mode sysfs attribute Bruno Prémont
2010-04-27 13:32 ` Jiri Kosina
2010-03-30 20:34 ` [PATCH v6 2/8] hid: add framebuffer support to PicoLCD device Bruno Prémont
[not found] ` <20100330223224.18fe4f3e-hY15tx4IgV39zxVx7UNMDg@public.gmane.org>
2010-03-30 20:35 ` [PATCH v6 3/8] hid: add backlight " Bruno Prémont
2010-03-30 20:36 ` [PATCH v6 4/8] hid: add lcd " Bruno Prémont
2010-03-30 20:36 ` [PATCH v6 5/8] hid: add GPO (leds) " Bruno Prémont
2010-03-30 20:38 ` [PATCH v6 6/8] hid: add experimental access to PicoLCD device's Bruno Prémont
2010-03-30 20:42 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for Bruno Prémont
2010-03-31 12:15 ` [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks Jiri Kosina
2010-03-30 20:43 ` [PATCH v6 8/8] hid: add PM support to PicoLCD device Bruno Prémont
2010-03-31 9:28 ` [PATCH v6 0/8] hid: new driver for " Jiri Kosina
2010-03-24 22:55 ` [PATCH v3 5/6] hid: add GPO (leds) support to " Bruno Prémont
2010-03-24 22:58 ` [PATCH v3 6/6] hid: add experimental access to PicoLCD device's Bruno Prémont
2010-03-29 9:44 ` Jiri Kosina
[not found] ` <alpine.LNX.2.00.1003291142400.24576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2010-03-29 20:34 ` [PATCH v4 " Bruno Prémont
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201004011858.45859.oliver@neukum.org \
--to=oliver@neukum.org \
--cc=bonbons@linux-vserver.org \
--cc=dmitry.torokhov@gmail.com \
--cc=jayakumar.lkml@gmail.com \
--cc=jkosina@suse.cz \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=npavel@ituner.com \
--cc=rvinyard@cs.nmsu.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).