All of lore.kernel.org
 help / color / mirror / Atom feed
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: linux-fbdev@vger.kernel.org
Subject: [PATCH v2 3/8] fbdev: sh_mobile_lcdc: Add support for format changes at runtime
Date: Wed, 31 Aug 2011 11:00:54 +0000	[thread overview]
Message-ID: <1314788459-31791-4-git-send-email-laurent.pinchart@ideasonboard.com> (raw)

Implement .fb_set_par to support frame buffer format changes at runtime.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/video/sh_mobile_lcdcfb.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 33b0ff8..f9f420d 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -1154,6 +1154,19 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
 	return 0;
 }
 
+static int sh_mobile_set_par(struct fb_info *info)
+{
+	struct sh_mobile_lcdc_chan *ch = info->par;
+	int ret;
+
+	sh_mobile_lcdc_stop(ch->lcdc);
+	ret = sh_mobile_lcdc_start(ch->lcdc);
+	if (ret < 0)
+		dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);
+
+	return ret;
+}
+
 /*
  * Screen blanking. Behavior is as follows:
  * FB_BLANK_UNBLANK: screen unblanked, clocks enabled
@@ -1211,6 +1224,7 @@ static struct fb_ops sh_mobile_lcdc_ops = {
 	.fb_open	= sh_mobile_open,
 	.fb_release	= sh_mobile_release,
 	.fb_check_var	= sh_mobile_check_var,
+	.fb_set_par	= sh_mobile_set_par,
 };
 
 static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev)
-- 
1.7.3.4


                 reply	other threads:[~2011-08-31 11:00 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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=1314788459-31791-4-git-send-email-laurent.pinchart@ideasonboard.com \
    --to=laurent.pinchart@ideasonboard.com \
    --cc=linux-fbdev@vger.kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.