From: "Andreas Färber" <afaerber@suse.de>
To: linux-realtek-soc@lists.infradead.org, linux-leds@vger.kernel.org
Cc: "Jacek Anaszewski" <jacek.anaszewski@gmail.com>,
"Pavel Machek" <pavel@ucw.cz>, "Dan Murphy" <dmurphy@ti.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, "Andreas Färber" <afaerber@suse.de>
Subject: [RFC 22/25] leds: tm1826: Add combined glyph support
Date: Thu, 12 Dec 2019 04:39:49 +0100 [thread overview]
Message-ID: <20191212033952.5967-23-afaerber@suse.de> (raw)
In-Reply-To: <20191212033952.5967-1-afaerber@suse.de>
Allow to squeeze the text "HEllO" into a 4-digit display,
as seen on MeLE V9 TV box.
Enable this combining mode only if the text would overflow.
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
drivers/leds/leds-tm1628.c | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/drivers/leds/leds-tm1628.c b/drivers/leds/leds-tm1628.c
index e2c2a5d91596..0c0d099de8b0 100644
--- a/drivers/leds/leds-tm1628.c
+++ b/drivers/leds/leds-tm1628.c
@@ -347,6 +347,28 @@ static u8 tm1628_get_char_ssd_map(char ch)
return 0x0;
}
+struct tm1628_ssd_glyph {
+ char *str;
+ u8 segs;
+};
+
+static const struct tm1628_ssd_glyph tm1628_glyph_ssd_map[] = {
+ { "ll", SSD_TOP_LEFT | SSD_BOTTOM_LEFT |
+ SSD_TOP_RIGHT | SSD_BOTTOM_RIGHT },
+};
+
+static u8 tm1628_get_glyph_ssd_map(const char *str)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tm1628_glyph_ssd_map); i++) {
+ if (!strncmp(tm1628_glyph_ssd_map[i].str, str, 2))
+ return tm1628_glyph_ssd_map[i].segs;
+ }
+
+ return 0x0;
+}
+
static int tm1628_display_apply_map(struct tm1628 *s,
struct tm1628_display *display, u8 map)
{
@@ -366,7 +388,7 @@ static ssize_t text_store(struct device *dev,
{
struct tm1628 *s = dev_get_drvdata(dev);
size_t offset, len = count;
- u8 map;
+ u8 map, glyph_map;
int i, ret;
if (len > 0 && buf[len - 1] == '\n')
@@ -375,6 +397,13 @@ static ssize_t text_store(struct device *dev,
for (i = 0, offset = 0; i < s->num_displays; i++) {
if (offset < len) {
map = tm1628_get_char_ssd_map(buf[offset]);
+ if (offset + 1 < len && len > s->num_displays) {
+ glyph_map = tm1628_get_glyph_ssd_map(buf + offset);
+ if (glyph_map) {
+ map = glyph_map;
+ offset++;
+ }
+ }
offset++;
} else
map = 0x0;
--
2.16.4
next prev parent reply other threads:[~2019-12-12 3:40 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-12 3:39 [RFC 00/25] arm64: realtek: Add Xnano X5 and implement TM1628/FD628/AiP1618 LED controllers Andreas Färber
2019-12-12 3:39 ` [RFC 01/25] dt-bindings: vendor-prefixes: Add Xnano Andreas Färber
2019-12-19 22:26 ` Rob Herring
2019-12-12 3:39 ` [RFC 02/25] dt-bindings: arm: realtek: Add Xnano X5 Andreas Färber
2019-12-19 22:27 ` Rob Herring
2019-12-12 3:39 ` [RFC 03/25] arm64: dts: realtek: rtd1295: " Andreas Färber
2019-12-12 3:39 ` [RFC 04/25] spi: gpio: Implement LSB First bitbang support Andreas Färber
2019-12-12 8:40 ` Geert Uytterhoeven
2019-12-12 15:14 ` Andreas Färber
2019-12-12 17:19 ` Mark Brown
2019-12-12 21:08 ` Andreas Färber
2019-12-13 11:42 ` Mark Brown
2019-12-12 3:39 ` [RFC 05/25] dt-bindings: vendor-prefixes: Add Titan Micro Electronics Andreas Färber
2019-12-19 22:31 ` Rob Herring
2019-12-12 3:39 ` [RFC 06/25] dt-bindings: leds: Add Titan Micro Electronics TM1628 Andreas Färber
2019-12-19 23:04 ` Rob Herring
2019-12-12 3:39 ` [RFC 07/25] " Andreas Färber
2019-12-14 9:48 ` Andreas Färber
2019-12-12 3:39 ` [RFC 08/25] arm64: dts: realtek: rtd129x-zidoo-x9s: Add TM1628 LED controller Andreas Färber
2019-12-12 3:39 ` [RFC 09/25] arm64: dts: realtek: rtd1295-zidoo-x9s: Add regular LEDs to TM1628 Andreas Färber
2019-12-12 3:39 ` [RFC 10/25] dt-bindings: vendor-prefixes: Add Fuda Hisi Microelectronics Andreas Färber
2019-12-19 23:04 ` Rob Herring
2019-12-12 3:39 ` [RFC 11/25] dt-bindings: leds: tm1628: Add Fuda Hisi Microelectronics FD628 Andreas Färber
2019-12-19 23:05 ` Rob Herring
2019-12-12 3:39 ` [RFC 12/25] " Andreas Färber
2019-12-12 3:39 ` [RFC 13/25] arm64: dts: realtek: rtd1295-xnano-x5: Add FD628 LED controller Andreas Färber
2019-12-12 3:39 ` [RFC 14/25] arm64: dts: realtek: rtd1295-xnano-x5: Add regular LEDs to FD628 Andreas Färber
2019-12-21 20:21 ` Pavel Machek
2019-12-12 3:39 ` [RFC 15/25] dt-bindings: vendor-prefixes: Add Fude Microelectronics Andreas Färber
2019-12-19 23:05 ` Rob Herring
2019-12-12 3:39 ` [RFC 16/25] dt-bindings: leds: tm1628: Add Fude Microelectronics AiP1618 Andreas Färber
2019-12-19 23:06 ` Rob Herring
2019-12-12 3:39 ` [RFC 17/25] leds: tm1628: Prepare " Andreas Färber
2019-12-21 19:55 ` Andreas Färber
2019-12-12 3:39 ` [RFC 18/25] dt-bindings: leds: tm1628: Define display child nodes Andreas Färber
2019-12-12 3:39 ` [RFC 19/25] leds: tm1628: Add 7-segment display support Andreas Färber
2019-12-12 8:33 ` Geert Uytterhoeven
2019-12-12 14:10 ` Andreas Färber
2019-12-21 20:23 ` Pavel Machek
2019-12-12 3:39 ` [RFC 20/25] arm64: dts: realtek: rtd1295-zidoo-x9s: Add display to TM1628 Andreas Färber
2019-12-12 3:39 ` [RFC 21/25] arm64: dts: realtek: rtd1295-xnano-x5: Add display to FD628 Andreas Färber
2019-12-12 3:39 ` Andreas Färber [this message]
2019-12-21 20:27 ` [RFC 22/25] leds: tm1826: Add combined glyph support Pavel Machek
2019-12-21 20:41 ` Andreas Färber
2019-12-21 21:04 ` Pavel Machek
2019-12-21 21:49 ` Andreas Färber
[not found] ` <CANiq72nA9OLa0SjY8W055J_2A32tcp7S98SruKSdWH2dm25VKw@mail.gmail.com>
2019-12-22 3:14 ` Andreas Färber
2020-01-15 14:31 ` Miguel Ojeda
2019-12-12 3:39 ` [RFC 23/25] WIP: leds: tm1628: Prepare TM1628 keys Andreas Färber
2019-12-12 3:39 ` [RFC 24/25] WIP: leds: tm1628: Prepare FD628 keys Andreas Färber
2019-12-12 3:39 ` [RFC 25/25] WIP: leds: tm1628: Prepare AiP1618 keys Andreas Färber
2019-12-12 13:14 ` [RFC 00/25] arm64: realtek: Add Xnano X5 and implement TM1628/FD628/AiP1618 LED controllers Robin Murphy
2019-12-12 20:55 ` Andreas Färber
2019-12-13 14:07 ` Robin Murphy
2019-12-13 14:36 ` Geert Uytterhoeven
2020-02-25 21:42 ` Ezra Buehler
2020-02-26 13:03 ` Pavel Machek
2019-12-21 18:20 ` Pavel Machek
2019-12-21 21:07 ` Andreas Färber
2020-01-15 13:34 ` Andreas Färber
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